Z86C33 Datasheet, PDF (2/16 Pages) Zilog, Inc. – CMOS Z8 CONSUMER CONTROLLER PROCESSOR

GENERAL DESCRIPTION (Continued)
Output Input
Vcc
GND
Port 3
Counter/
Timers (2)
Interrupt
Control
Two Analog
Comparators
ALU
FLAG
Register
Pointer
Register File
Z86C33/C43
CP95DZ80202
(C43 Only)
XTAL /AS /DS R//W /RESET
Machine
Timing & Inst.
Control
RESET
WDT, POR
Prg. Memory
4K
Program
Counter
Port 2
I/O
(Bit Programmable)
Port 0
4
4
Address or I/O
(Nibble Programmable)
Port 1
8
Address/Data or I/O
(Byte Programmable)
(C43 Only)
Functional Block Diagram
2