HD64570 HITACHI [Hitachi Semiconductor], HD64570 Datasheet - Page 58

• Manufacturer Part Number: HD64570
• Description: Serial Communications Adaptor
• Manufacturer: HITACHI [Hitachi Semiconductor]

Serial
I/O
channel
1
Serial
I/O
channel
0
MPU
select
Rev. 0, 07/98, page 42 of 453
SYNC1
SYNC0
DCD1
DCD0
CPU1
CPU0
RTS1
CTS1
RTS0
CTS0
RxD1
RxC1
RxD0
RxC0
TxC1
TxD1
TxC0
TxD0
N.C.
V
V
V
CC
SS
SS
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
Interrupt
Figure 2.2 Pin Arrangement on FP-88
Bus
arbitration
Bus
inter-
face
Data
(top view)
System
clock
Bus interface
*1:
*2:
*3:
CPU mode 1:
Not used. Open
CPU modes 2, 3:
Not used. Open
Always not used.
Open
Address
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
A21
A20
A19
A18
A17
A16
A15
A14
A13
A12
V
V
A11
V
A10
A9
A8
A7
A6
A5
A4
*3
CC
CC
SS