IC
6367XTAL1 XTAL2M1 HALT CLK OUTCLK INEV BUSREQBUSACK
69671012
89
D0
NMIEVA0
6
656681868
88
A1
5
D1
87
4
CLK
D2
A2
86
3
MS1
HALTHALT
D3
A3
MS2
85
2
M1M1
D4
A4
63
84
D5
1
A5
NMICGCNMINMI
83
100
MREQ
17
D6
A6
CONTROL
82
99
LOGICCLK
D7
A7
98
RESETINT11WAIT
A8
29
97
9CPU
PA0
A9
RESETRESET
28
PA1
96
A10
INT19INT
27
PA2
95
A11
26
PA3
94
A12
D0-D7
25
PA4
A13
93
24
PA5
A14
92
A0-A15
23
PA6
A15
91
RDINTIORQ WR RFSH
22
PA7
CLK
RFSH
7
-
ZC/TO0
74-777
RFSH
53
PB0
A7RF
70
ZC/TO3D0-D713
WR
54
IORQ
15
CLK/TRG0
78-8114
RD
PB1
-
RD
55
RD
14
CLK/TRG315
IORQIORQ
PB2
56
PB3
13
WR
39
DCDA
57
17
CTC38
CTSA
PB4
MREQ
58
18
RESET37
RTSA
PB5
HALT
59
73
IEI
M136DTRA
PB6
WDTOUT
60
8
IEO30
PB7
M1
CECLKRDIORQW/RDYA
31
65
CS0SYNCA
RESET32
XTAL1
66
CS1RXDA
33
XTAL2
DECODERINT
RXCA
34
TXCA
21
ASTB
20
ARDY
35
TXDA
M1
32
RXDA
30
W/RDYA
IEI
SIO47TXDB
33
RXCA
TXDA
35
IEO48
34
TXCA
DTRA
36
TXCB
49
38
CTSA
RTSA
37
CERXCB
50
39
DCDA
SYNCA
31
C/DRXDB
51
61
BSTB
BRDY
62
IEOIEI
CLKB/ASYNCB
52
50
RXDB
W/RDYB
52
21ASTBINTDECODERW/RDYB
49
TXDB
47
ARDY20D0-D746
DTRB
RXCB
48
DTRB
46
22-2945
RTSB
TXCB
PA0
44
RTSB
45
RD44
-
CTSB
CTSB
43
51
PA7IORQ43DCDB
DCDB
SYNCB
PIO
81
74
53-60M1 RESETIEI
D0-D7IEOWR RFSH73
CLK/TRG0
ZC/TO0
PB0
80
75
M1WDTOUT
-
70
CLK/TRG1
ZC/TO1
79
76
PB7CLKCLKA7RF
CLK/TRG2
ZC/TO2
78
77
WDT REGISTERCE
CLK/TRG3
ZC/TO3
10
BUSREQ
12
BUSACK
BRDYC/D62
72
71
BSTBB/A61
IEIIEO
6968CLKOUTDECODERDECODERM1 RESETMS1 MS2
REST WAITINT
9111982-881-6, 91-100
D0-D7A0-A15
A0 - A15
; 3-STATE ADDRESS BUS OUTPUTS
WR
; 3-STATE WRITE OUTPUT
BUSACK
; BUS ACKNOWLEDGE OUTPUT
ZC/TO0-3
; ZERO COUNT/TIME OUT 0-3 OUTPUT
BUSREQ
; BUS REQUEST INPUT
ASTB
; PORT A STROBE PULSE INPUT
CLK/TRIG0 - 3
; EXTERNAL CLOCK/TIMER TRIGGER 0-3 INPUTS
ARDY
; REGISTER A READY OUTPUT
D0 - D7
; 3-STATE DATA BUS INPUTS/OUTPUTS
BSTB
; PORT B STROBE PULSE INPUT
EV
; EVALUATER INPUT
BRDY
; REGISTER B READY OUTPUT
HALT
; HALT OUTPUT
SYNCA, SYNCB
; SYNC INPUT/OUTPUT
IEI/IEO
; CTC INTERRUPT ENABLE INPUT/OUTPUT
W/RDYA, W/RDYB
; WAIT/READY OUTPUT
INT
; MASKABLE INTERRUPT REQUEST/INPUT
RXDA, RXDB
; SERIAL DATA INPUT
IORQ
; 3-STATE I/O REQUEST OUTPUT
RXCA, RXCB
; RECEIVE CLOCK INPUT
M1
; 3-STATE MACHINE CYCLE 1 OUTPUT
TXCA, TXCB
; TRANSMISSION CLOCK INPUT
MREQ
; 3-STATE MEMORY REQUEST OUTPUT
TXDA, TXDB
; SERIAL DATA OUTPUT
NMI
; NON-MASKABLE INTERRUPT REQUEST INPUT
DTRA, DTRB
; DATA TERMINAL READY OUTPUT
PA0 - PA7, PB0 - PB7
; 3-STATE I/O PORT
RTSA, RTSB
; TRANSMISSION REQUEST OUTPUT
RD
; 3-STATE READ OUTPUT
CTSA, CTSB
; TRANSMISSION ENABLE INPUT
REST
; RESET INPUT
DCDA, DCDB
; DATA CARRIER DETECT OUTPUT
RFSH
; REFRESH OUTPUT
WDTOUT
; WATCH DOG TIMER OUTPUT
WAIT; WAIT REQUEST INPUT
BKP�79323-13 |
ACEC
SONY
