Z86217 Datasheet, PDF (2/7 Pages) Zilog, Inc. – CMOS Z8 8-BIT MICROCONTROLLERS (POINTING DEVICE/TRACKBALL)

BLOCK DIAGRAM
PRELIMINARY
Input
VDD
VSS
XTAL
Port 3
Counter/
Timers (2)
Interrupt
Control
ALU
FLAG
Register
Pointer
Register File
144 x 8-Bit
Machine
Timing & Inst.
Control
Prg. Memory
2048 x 8-Bit
Program
Counter
Port 2
Port 0
I/O
I/O
(Bit Programmable)
Functional Block Diagram
Z86217/C17
CP95KEY1000
PIN DESCRIPTIONS
P24
1
P25
2
P26
3
P27
4
VDD
5
XTAL2
6
XTAL1
7
P31
8
P32
9
18
P23
17
P22
16
P21
15
P20
14
VSS
13
P02
12
P01
11
P00
10
P33
18-Pin DIP Configuration
P24
1
P25
2
P26
3
P27
4
VDD
5
XTAL2
6
XTAL1
7
P31
8
P32
9
18
P23
17
P22
16
P21
15
P20
14
VSS
13
P02
12
P01
11
P00
10
P33
18-Pin SOIC Configuration
2