W81E381D/W81E381AD
Publication Release Date: January 2002
- 2 - Revision 0.52
W81E381D/AD Data Sheet Revision History
Pages Dates
Version
Version
on Web
Main Contents
1
n.a. 03/2001
0.50
n.a.
First
published
2
P.9, P.11, P.14,
P.35, P.36, P.47,
P.48
09/2001
0.51
n.a.
1. Modify pin function of SCIO & SCCLK
2. Revise register description of SCCR
(AC) and SCECR (AD)
3. Revise the USB register descriptions
3
P.14, P.53, P.54
01/2002
0.52
n.a.
1. Revise register description of
CHPCON (CF)
2. Modify the description of SFRCN &
CHPCON
4
5
6
7
8
9
10
Please note that all data and specifications are subject to change without notice. All the trademarks of
products and companies mentioned in this datasheet belong to their respective owners.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where
malfunction of these products can reasonably be expected to result in personal injury. Winbond
customers using or selling these products for use in such applications do so at their own risk and
agree to fully indemnify Winbond for any damages resulting from such improper use or sales.
W81E381D/W81E381AD
Publication Release Date: January 2002
- 3 - Revision 0.52
TABLE OF CONTENTS
1. General Descriptions: .........................................................................................................................................5
2. FEATURES: .......................................................................................................................................................6
3. PIn configuration ...............................................................................................................................................7
3.1 W81E381D 48-pin LQFP PINOUT............................................................................................................7
3.2 W81E381AD 100-pin LQFP PINOUT .....................................................................................................10
4. Programming interface.....................................................................................................................................13
4.1 Register map ..............................................................................................................................................13
4.2 FLASH Category Descriptions Summary ............................................................................................14
4.3 SC Category - Descriptions Summary .....................................................................................................14
4.4 USB Category - Descriptions Summary...................................................................................................15
4.5 Individual register description .................................................................................................................16
4.5.1
Register Descriptions - USB Power Control Registers (E7)..........................................................16
4.5.2
Register Descriptions - USB Interrupt System SFRs (A2) ............................................................18
4.5.3
Register Descriptions - USB Interrupt System SFRs (C0) ............................................................19
4.5.4
Register Descriptions - USB Interrupt System SFRs (B1) ............................................................20
4.5.4
Register Descriptions - USB Interrupt System SFRs (B1) ............................................................20
4.5.5
Register Descriptions - USB Function SFRs (E1) .........................................................................21
4.5.6
Register Descriptions - USB Function SFRs (F1) .........................................................................23
4.5.7
Register Descriptions - USB Function SFRs (8F) .........................................................................24
4.5.8
Register Descriptions - USB Function SFRs (E6) .........................................................................26
4.5.9
Register Descriptions - USB Function SFRs (E4) .........................................................................27
4.5.10
Register Descriptions - USB Function SFRs (E3) .........................................................................28
4.5.11
Register Descriptions - USB Function SFRs (E5) .........................................................................30
4.5.12
Register Descriptions - USB Function SFRs (E2) .........................................................................32
4.5.13
Register Descriptions - USB Function SFRs (F6) .........................................................................34
4.5.14
Register Descriptions - USB Function SFRs (F4) .........................................................................35
4.5.15
Register Descriptions - USB Function SFRs (F3) .........................................................................36
4.5.16
Register Descriptions - USB Function SFRs (F5) .........................................................................38
4.5.17
Register Descriptions - USB Function SFRs (F2) .........................................................................40
4.5.18
Register Descriptions - USB Device SFRs (B7)............................................................................42
4.5.19
Register Descriptions - USB Device SFRs (BF)............................................................................43
4.5.20
Register Descriptions - SC Interrupt SFRs (AA)...........................................................................44
4.5.21
Register Descriptions - SC Interrupt SFRs (AB) ...........................................................................45
4.5.22
Register Descriptions - SC Control SFRs (A3)..............................................................................46
4.5.24
Register Descriptions - SC Control SFRs (AC).............................................................................47
4.5.25
Register Descriptions - SC Control SFRs (AD).............................................................................48
4.5.26
Register Descriptions - SC Control SFRs (AE, A4) ......................................................................49
4.5.27
Register Descriptions - SC Control SFRs (A5)..............................................................................50
4.5.28
Register Descriptions - SC Data SFRs (A6, A7) ...........................................................................51
4.5.29
Register Descriptions ISP Registers (C4, C5).............................................................................52
4.5.30
Register Descriptions ISP Registers (C6, C7).............................................................................53
W81E381D/W81E381AD
Publication Release Date: January 2002
- 4 - Revision 0.52
4.5.31
Register Descriptions uC Control Registers (CF).......................................................................54
4.5.32
Register Descriptions uC Control Registers (D4, D5) ................................................................55
4.6 MTP-ROM PROGRAMMING ................................................................................................................56
5. Security..............................................................................................................................................................57
6. Electrical Characteristics .................................................................................................................................58
7. Mechanical information ...................................................................................................................................59
7.1 W81E381D 48 LQFP (7x7x1.4mm footprint 2.0mm) PACKAGE ........................................................59
7.2 W81E381AD 100 LQFP (14x14x1.4 mm footprint 2.0mm) PACKAGE...............................................60
8. TYPICAL APPLICATION ...............................................................................................................................61
8.1 W81E381D reference schematic ...............................................................................................................61
8.2 W81E381AD reference schematic ............................................................................................................62
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