IC
MODE 0MODE 1MODE 2PROM MODE
66
TXA1/PA0
PC0
15
66
TXA1/PA0
A0
15
66
A0
15
32
TXA1/PA0
A0
15
OE
67
RXA1/PA1
PC1
16
67
RXA1/PA1
A1
16
67
A1
16
33
RXA1/PA1
A1
16
CE
68
CKA1/TEND0/PA2
PC2
17
68
CKA1/TEND0/PA2
A2
17
68
A2
17
CKA1/TEND0/PA2
A2
17
69
TXS/PA3
PC3
18
69
TXS/PA3
A3
18
69
TXS/PA3
A3
18
84
MP1
A3
18
70
RXS/CTS1/PA4
PC4
20
70
RXS/CTS1/PA4
A4
20
70
RXS/CTS1/PA4
A4
20
2
MP0
A4
20
71
CKS/PA5
PC5
21
71
CKS/PA5
A5
21
71
CKS/PA5
3
XTAL
A5
21
A5
21
72
DREQ1/PA6
PC6
23
72
DREQ1/PA6
A6
23
72
DREQ1/PA6
4 EXTAL23
A6
23
A6
73
TEND1/PA7
PC7
24
73
TEND1/PA7
A7
24
73
TEND1/PA7
24
A7
24
A7
A8
25
81
PB0
PD0
25
40
D0
A8
25
40
D0
A8/PD0
25
A9
10
80
PD1
26
41
D1
A9
26
41
26
27
PB1
D1
A9/PD1
A10
79
PD2
27
42
A10
27
42
27
28
PB2
D2
D2
A10/PD2
A11
78
PD3
28
44
A11
28
44
28
29
PB3
D3
D3
A11/PD3
A12
77
PD4
29
45
A12
29
45
29
30
PB4
D4
D4
A12/PD4
A13
76
PB5
PD5
30
46
D5
A13
30
46
D5
A13/PD5
30
A14
31
75
PD6
31
47
A14
31
47
31
PB6
D6
D6
A14/PD6
74
PD7
32
48
A15
32
48
32
40
PB7
D7
D7
A15/PD7
O0
41
O1
50
PG0/AN0
PE0
33
50
PG0/AN0
A16
33
50
PG0/AN0
A16/PE0
33
O2
42
51
PG1/AN1
PE1
34
51
PG1/AN1
A17
34
51
PG1/AN1
A17/PE1
34
O3
44
52
PG2/AN2
PE2
35
52
PG2/AN2
A18
35
52
PG2/AN2
A18/PE2
35
O4
45
53
PG3/AN3
PE3
38
53
PG3/AN3
A19
38
53
PG3/AN3
A19/PE3
38
O5
46
54
PG4/AN4
PE4
14
54
PG4/AN4
ST
14
54
PG4/AN4
ST
14
O6
47
55
PG5/AN5
PE5
8
55
PG5/AN5
55
PG5/AN5
O748
PE6
7
BUSACK
7
BUSACK
7
10
NMI
PE7
6
10
NMI
10
NMI
11
INT0
11
INT0
11
INT0
12
INT1
PF0
40
12
INT1
HALT
74
12
INT1
74
HALT
13
INT2
PF1
41
13
INT2
REF
75
13
INT2
75
REF
2
MP0
PF2
42
2
MP0
IOE
76
2
MP0
IOE
76
84
MP1
PF3
44
84
MP1
ME
77
84
MP1
ME
77
3
PF4
45
3
XTAL
E
78
3
78
XTAL
XTAL
E
4
PF5
46
4
LIR
79
4
79
EXTAL
EXTAL
EXTAL
LIR
PF6
47
WR
80
80
WR
9
PF7
48
9
RD
81
9
81
RESET
RESET
RESET
RD
57
CTS0
57
CTS0
57
CTS0
58
TOUT1
36
58
TOUT1
36
58
36
DCD0
DCD0
DCD0
TOUT1
60
TOUT2
62
60
TOUT2
62
60
62
RXA0
RXA0
RXA0
TOUT2
65
IC
TOUT3
63
65
IC
TOUT3
63
65
IC
TOUT3
63
61CKA0/DREQ0RTS0
56
61
CKA0/DREQ0
RTS0
56
61
CKA0/DREQ0
RTS0
56
TXA0
59
6
WAIT
TXA0
59
6
WAIT
TXA0
59
? 838 BUSREQ?838 BUSREQ?83
PG0/AN0PG1/AN1PG2/AN2PG3/AN3PG4/AN4PG5/AN5PC0 - PC7, PD0 - PD7,
PE0 - PE3/A0 - A19PF0 - PF7
/D0 - D7TOUT 3ICTOUT 2?
50515253545520863656283
15-18, 20, 21
23-35, 3840 - 42
44 - 48
3
TIMING
XTAL
ADDRESS
GEN4 EXTAL
BUFFER
ANALOG
16-BIT
COMPARATOR
PROGRAMABLE
2 MP0
(6CH)MMUDATA
TIMERROM
RAM
84 MP1
BUFFER(16KB)(512B)
14 PE4/ST
8
PE5/BUSREQ7
PE6/BUSACK
6
PE7/WAIT
9
RESET
PORT GADDRESS BUS (16-BIT)74PB7/HALT
PORT F75PB6/REF
PORT EDATA BUS (8-BIT)76PB5/IOE
PORT DCPU77PB4/ME
PORT C78PB3/E
PORT B79PB2/LIR
PORT ABUS STATE CONTROL80PB1/WR
81
PB0/RD
16-BIT
10
CLOCKED
RELOAD
DMAC
11NMIINT 0
SERIAL
ASCI
ASCI
TIMER
(2CH)12
I/O
(CHANNEL 1) (CHANNEL 0) (2CH)INT 1
BOARD13
INTERRUPTINT 2
717069676866585756606159367372
DCD0CTS0RTS0RXA0TXA0TOUT1
PA5/CKSPA3/TXSPA1/RXA1PA0/TXA1
PA7/TEND1PA6/DREQ1
CKA0/DREQ0
PA4/RXS/CTS1
PA2/CKA1/TEND0
BKPF-101A4-9 |