Z86C02/E02/L02
Low-Cost, 512-Byte ROM Microcontrollers
GENERAL DESCRIPTION
(Continued)
cations. Additionally, two on-board comparators process
analog signals with a common reference voltage (Figure
1).
Note:
All Signals with a preceding front slash, "/", are ac-
tive Low, e.g.: B//W (WORD is active Low); /B/W (BYTE is
active Low, only).
Input
Vcc
GND
Power connections follow conventional descriptions be-
low:
Connection
Power
Ground
XTAL
Circuit
V
CC
GND
Device
V
DD
V
SS
Port 3
Machine
Timing & Inst.
Control
Counter/
Timer
ALU
Interrupt
Control
FLAG
Program
Memory
Two Analog
Comparators
Register
Pointer
General-Purpose
Register File
Program
Counter
Port 2
Port 0
I/O
(Bit Programmable)
I/O
Figure 1. Z86C02/E02/L02 Functional Block Diagram
1-2
PRELIMINARY
DS96DZ80301 (11/96)
ZILOG [ ZILOG, INC. ]
