Z86C04 Datasheet, PDF (2/34 Pages) Zilog, Inc. – CMOS 8-BIT LOW-COST 1K/2K-ROM MICROCONTROLLERS

Z86C04/C08
CMOS 8-Bit Low-Cost 1K/2K-ROM Microcontrollers
GENERAL DESCRIPTION (Continued)
Note: All Signals with a preceding front slash, "/", are
active Low, e.g.: B//W (WORD is active Low); /B/W (BYTE
is active Low, only).
Zilog
Power connections follow conventional descriptions be-
low:
Connection
Power
Ground
Circuit
V_CC
GND
Device
V_DD
V_SS
Input
Port 3
Counter/
Timers (2)
Interrupt
Control
Two Analog
Comparators
Vcc
GND
ALU
FLAG
Register
Pointer
Register File
XTAL
Machine
Timing & Inst.
Control
Prg. Memory
Program
Counter
Port 2
Port 0
I/O
(Bit Programmable)
I/O
Figure 1. Z86C04/C08
Functional Block Diagram
2
PRELIMINARY
DS97DZ80502