Z86233 Datasheet, PDF (2/18 Pages) Zilog, Inc. – CMOS Z8 8K ROM CONSUMER CONTROLLER PROCESSOR

GENERAL DESCRIPTION (Continued)
Output Input
Vcc
GND
Z86233/243
CP96DZ81201
XTAL
/A^*S
*
/DS
*
*
R//W /RESET
Port 3
Counter/
Timers (2)
Interrupt
Control
Two Analog
Comparators
ALU
FLAGS
Register
Pointer
Register File
ERF
Machine Timing
&
Instruction Control
RESET
WDT, POR
Prg. Memory
8192 Bytes
Program
Counter
R//RL†
Port 2
I/O
(Bit Programmable)
Port 0
Port 1 *
4
4
Address or I/O
(Nibble Programmable)
8
Address/Data or I/O
(Byte Programmable)
* Not available on Z86233.
† Available on Z86243 44-Pin QFP
and PLCC versions only.
Functional Block Diagram
2
CP96DZ81201 (8/96)