GDC21D601

The information contained herein is subject to change without notice.

The information contained herein is presented only as a guide for the applications of our products. No
responsibility is assumed by Hyundai for any infringements of patents or other rights of the third parties
which may result from its use. No license is granted by implication or otherwise under any patent or
patent rights of Hyundai or others.

These Hyundai products are intended for usage in general electronic equipment (office equipment,
communication equipment, measuring equipment, domestic electrification, etc.).

Please make sure that you consult with us before you use these Hyundai products in equipment which
require high quality and / or reliability, and in equipment which could have major impact to the welfare of
human life (atomic energy control, airplane, spaceship, traffic signal, combustion control, all types of
safety devices, etc.). Hyundai cannot accept liability to any damage which may occur in case these
Hyundai products were used in the mentioned equipment without prior consultation with Hyundai.

GDC21D601

TABLE OF CONTENTS

Section 1. Overview ..................................................................................................................... 8

1. General Description .............................................................................................................. 8
2. Feature................................................................................................................................ 10
3. Package .............................................................................................................................. 12
4. Pin Assignment ................................................................................................................... 13
5. Pin Descriptions .................................................................................................................. 15

Section 2. System Architecture ................................................................................................ 20

1. Internal Bus Architecture..................................................................................................... 20
2. Arbiter ................................................................................................................................. 20
3. System Decoder ................................................................................................................. 21
4. Memory Map ....................................................................................................................... 21
5. Memory Format................................................................................................................... 22
6. Boot Mode........................................................................................................................... 22
7. Multi-Function Pin ............................................................................................................... 23

Section 3. ARM720T Core.......................................................................................................... 24

1. General Description ............................................................................................................ 24
2. Feature................................................................................................................................ 24
3. Core Block Diagram............................................................................................................ 26

Section 4. DRAM Controller ...................................................................................................... 27

1. General Description ............................................................................................................ 27
2. Hardware Interface and Signal Description ........................................................................ 28
3. Functional Description ........................................................................................................ 31
4. Register Description............................................................................................................ 34

Section 5. On-Chip SRAM ......................................................................................................... 37

1. General Description ............................................................................................................ 37
2. Signal Description ............................................................................................................... 37
3. Function Description ........................................................................................................... 37

Section 6. Static Memory Controller ........................................................................................ 38

1. General Description ............................................................................................................ 38
2. Signal Description ............................................................................................................... 39
3. Functional Description ........................................................................................................ 43
4. Programmer' s Model.......................................................................................................... 45

GDC21D601

Section 7. MCU Controller......................................................................................................... 48

1. General Description ............................................................................................................ 48
2. Signal Description ............................................................................................................... 48
3. Register Description............................................................................................................ 49

Section 8. Power Management Unit ......................................................................................... 54

1. General Description ............................................................................................................ 54
2. Hardware Interface and Signal Description ........................................................................ 55
3. Operation Modes ................................................................................................................ 56
4. Register Description............................................................................................................ 58
5. Power Management Unit Register Map .............................................................................. 63
6. Test Mode Guide for MCU .................................................................................................. 64
7. Signal Timing Diagram........................................................................................................ 66

Section 9. Watchdog Timer....................................................................................................... 68

1. General Description ............................................................................................................ 68
2. Hardware Interface and Signal Description ........................................................................ 69
3. Watchdog Timer Introduction ............................................................................................. 71
4. Watchdog Timer Operation ................................................................................................ 72
5. Watchdog Timer Memory Map ........................................................................................... 74
6. Watchdog Timer Register Descriptions .............................................................................. 75
7. Examples of Register Setting.............................................................................................. 77

Section 10. Interrupt Controller ................................................................................................ 81

1. General Description ............................................................................................................ 81
2. Hardware Interface and Signal Description ........................................................................ 82
3. Interrupt Controller .............................................................................................................. 84
4. Interrupt Controller Memory Map ........................................................................................ 86
5. Interrupt Controller Register Descriptions........................................................................... 87

Section 11. Real Time Clock ..................................................................................................... 91

1. General Description ............................................................................................................ 91
2. Signal Description ............................................................................................................... 92
3. Hardware Interface ............................................................................................................. 93
4. Functional Description ........................................................................................................ 94
5. Real Time Clock Memory Map ........................................................................................... 95
6. Real Time Clock Register Descriptions .............................................................................. 95

GDC21D601

Section 12. General Purpose Timer Unit ................................................................................. 96

1. General Description ............................................................................................................ 96
2. Hardware Interface and Signal Description ........................................................................ 97
3. General Purpose Timer Unit Introduction ......................................................................... 100
4. General Purpose Timer Unit Operation ............................................................................ 101
5. General Purpose Timer Unit Memory Map ....................................................................... 102
6. General Purpose Timer Unit Register Descriptions.......................................................... 104
7. Examples of Register Setting............................................................................................ 108

Section 13. PIO ......................................................................................................................... 111

1. General Description .......................................................................................................... 111
2. Signal Description ............................................................................................................. 112
3. Hardware Interface ........................................................................................................... 115
4. Functional Description ...................................................................................................... 116
5. Programmer' s Model........................................................................................................ 117

Section 14. Synchronous Serial Peripheral Interface........................................................... 118

1. General Description .......................................................................................................... 118
2. Signal Description ............................................................................................................. 119
3. Hardware Interface ........................................................................................................... 120
4. Functional Description ...................................................................................................... 121
5. Register Memory Map....................................................................................................... 123
6. SSPI Data Clock Timing Diagram..................................................................................... 124

Section 15. UART ..................................................................................................................... 125

1. General Description .......................................................................................................... 125
2. Features............................................................................................................................ 125
3. Signal Description ............................................................................................................. 126
4. Internal Block Diagram...................................................................................................... 129
5. Registers Description........................................................................................................ 130

Section 16. Smart Card Interface............................................................................................ 142

1. General Description .......................................................................................................... 142
2. Signal Description ............................................................................................................. 143
3. Hardware Interface ........................................................................................................... 144
4. Functional Description ...................................................................................................... 145
5. Programmer' s Model........................................................................................................ 146

Электронный компонент: GDC21D601