K1881BE1T
1
16-
RISC
.
.
- 16 ,
,
- ,
- 16 ,
- 12.5 MIPS 25 , ,
- .
- 16 ,
- 32 ,
- 32 , ,
- - 38 .
RISK :
- ,
- 3- ,
- : 8 16 , 6 24 ,
- : 2 8*16 8*24 16*24
,
-
.
:
- 4 16 ,
- 128 16 ,
- - 128 16 .
:
- 16 -,WDT ,
- 16 ,
- ,
- ,
-
,
- ,
-
0.
:
- 24 ,
- 16 ,
- .
:
- 2 UART ,
- I2C ,
- 2 SSI/SPI
.
:
- 8 ,
- 27 .
K1881BE1T
2
.
T M O 1 8 1
T M O 2 8 2
P C L K 8 3
IN IT 8 4
R E A D Y 8 5
T M I2 8 6
T M I1 8 7
T M I0 8 8
R E S E T 8 9
B B 9 0
B R 9 1
B G in 9 2
B g o u t 9 3
R D 9 4
W R H 9 5
W R L 9 6
C L K R R 9 7
F S R _R 9 8
R X D _R 9 9
F S X _ R 10 0
80
T
M
O
0
79
XT
A
L
2
78
Vs
s
77
Vc
c
76
XT
AL
1
75
MO
D
E
74
MO
D
A
/T
M
I
3
73
MO
D
B
72
I
N
T
0
71
I
N
T
1
70
I
N
T
2
69
PC
9
S
D
A
I
2
C
68
PC
8
S
C
L
I
2
C
68
PC
7
67
PC
6
66
PC
5
65
PC
4
64
PC
3
63
PC
2
62
PC
1
61
PC
0
60
R
1
59
R
0
58
A
2
3
/
PA
X
1
5
57
A
2
2
/
PA
X
1
4
56
A
2
1
/
PA
X
1
3
55
A
2
0
/
PA
X
1
2
54
V
s
s
52
V
c
c
51
A
1
9
/
PA
X1
1
T
X
D
R
1
Vcc
2
Vss
3
C
L
KXR
4
F
S
X
L
5
T
X
DL
6
CL
K
X
L
7
CL
K
R
L
8
F
S
R
L
9
R
X
D
L
1
0
P
D
1
5
1
1
P
D
1
4
1
2
P
D
1
3
1
3
P
D
1
2
1
4
P
D
1
1
1
5
P
D
1
0
1
6
PD9
1
7
PD
8
1
8
PD
7
1
9
PD
6
2
0
PD
5
2
1
PD
4
2
2
PD
3
2
3
PD
2
2
4
PD
1
2
5
PD
0
2
6
Vc
c
2
7
Vs
s
2
8
SD
I
2
9
c
s
_X
R
3
0
5 0 A 1 8 / P A X 10
4 9 A 1 7 / P A X 9
4 8 A 1 6 / P A X 8
4 7 A 1 5 / P A 1 5
4 6 A 1 4 / P A 1 4
4 5 A 1 3 / P A 1 3
4 4 A 1 2 / P A 1 2
4 3 A 1 1 / P A 1 1
4 2 A 1 0 / P A 1 0
4 1 A 9 / P A 9
4 0 A 8 / P A 8
3 9 A 7 / P A 7
3 8 A 6 / P A 6
3 7 A 5 / P A 5
3 6 A 4 / P A 4
3 5 A 3 / P A 3
3 4 A 2 / P A 2
3 3 A 1 / P A 1
3 2 A 0 / P A 0
3 1 S R W / P AX 2
4403 .100
.
128
(256 )
o/
128
(256 )
o
4
X2,PCLK
X1,RST,REDY
MODE
INIT
BGin
BGout
BB,BR
0,1,2,3
TMO[2:0]
TMI[2:0]
MODA
SSI
FSR_L, FSR_R
RXD_L, RXD_R
CLKR_L,CLKR_R
FSX_L, FSX_R
TXD_L, TXD_R
CLKX_L,CLKX_R
UART
RT0
RT1
I2C
PC[9]
PC[8]
PA[23:0]
SRW,SDI,
CSXR
D
PD[15:0]
WRH,WRL,
RDD
INT[2:0]
C
PC[7:0]
AI[23:0]
I[15:0]
A[23:0]
D[15:0]
REDY
K1881BE1T
5
.
V
=4,5 , T
NOM
=25 10, T
EMIN
=-45 3, T
EMAX
=+85 3,
-
-
-
V
3,3
5,5
V
IH
,
3.
Vcc-
0,8
Vcc
V
IL
,
3.
0 0,8
3,5
V
OH
,
I
OL
=-4,0, 4.
3,2
0,4
V
OL
,
I
OL
=4,0, 4.
0,45
-10
I
IL
,V
=5,5,V
IL
=0,
3.
-20
10
I
I
, V
=5,5,V
IL
=5,5,
3.
20
0,1 1
I
OHR
,
V
IL
=0,8, 5.
0,05 1,5
0,1 1
I
OHR1
, V
IL
=0,8, 6.
0,05 1,5
250
I
CC
,
V
=5,5 ;( 1,2)
500
100
I
CCO
V
=5,5 , Fc= 25 ;( 1,2)
200
-
1
02,27,52,77
2
03,28,53,78
3
08-10,70-76,85-89,92, 97-99
4
01,04-07,11-26,29-51, 54-67,80-
84,93-96,100
5
I
OHR
68,69,90,91
6
I
OH
01,04-07,58-67,100
7
O. 11-26,32-51,54-57,94-96
: