I/O (Ic8) Cxd1095Q - Sharp SF-2020 Service Manual

(3) I/O (IC8) CXD1095Q

1
General
I/O converts data (command) from the CPU into control signals.
The CXD1095Q is a general-purpose interface element, and has 4.5
sets of 8-bit I/O ports to allow setting of input and output operations of
parallel data by the program or the hardware.
2
Features
8-bit parallel I/O port x 4.5 ports
Pin
Pin name I/O
No.
1 N.C
2 N.C
3 PB1 I/O
4 PB2 I/O
5 PB3 I/O
6 PB4 I/O
7 PB5 I/O
8 PB6 I/O
9 PB7 I/O
10 Vss
11 PC0 I/O
12 PC1 I/O
13 PC2 I/O
14 PC3 I/O
15 PC4 I/O
16 PC5 I/O
Pin
Pin name
No.
— 17 PC6
— 18 PC7
19 N.C
20 PD0
21 PD1
22 PD2
23 PD3
24 PD4
25 Vss
— 26 VDD
27 PD5
28 PD6
29 PD7
30 D0
31 D1
32 D2
3
Pin arrangement
52
64
Pin
I/O Pin name
No.
I/O 33 N.C
I/O 34 N.C
— 35 D3
I/O 36 D4
I/O 37 D5
I/O 38 D6
I/O 39 D7
I/O 40 CLR
— 41 ODEN
— 42 Vss
I/O 43 WR
I/O 44 RD
I/O 45 CS
I/O 46 A0
I/O 47 A1
I/O 48 A2
12 – 8
SONY
JAPAN
CXD1095Q
Pin
I/O Pin name
No.
— 49 PE0
— 50 PE1
I/O 51 N.C
I/O 52 PE2
I/O 53 PE3
I/O 54 PA0
I/O 55 PA1
I 56 PA2
I 57 Vss
— 58 VDD
I 59 PA3
I 60 PA4
I 61 PA5
I 62 PA6
I 63 PA7
I 64 PB0
32
20
I/O
I/O
I/O
—
I/O
I/O
I/O
I/O
I/O
—
—
I/O
I/O
I/O
I/O
I/O
I/O