Zilog Z8PE002 User Manual
Page 2
Z8PE002
Z8Plus OTP Microcontroller
ZiLOG
2
P R E L I M I N A R Y
DS008700-Z8X0799
GENERAL DESCRIPTION
(Continued)
Both the 8-bit and 16-bit on-chip timers, with several user-
selectable modes, administer real-time tasks such as count-
ing/timing and I/O data communications.
Note:
All signals with an overline are active Low. For exam-
ple, B/
W
, in which WORD is active Low;
and B
/W, in
which BYTE is active Low.
Power connections follow conventional descriptions
below:
Connection
Circuit
Device
Power
V
CC
V
DD
Ground
GND
V
SS
Figure 1. Functional Block Diagram
Two 8-Bit Timers
or One 16-Bit
PWM Timer
One 16-Bit
Standard Timer
Interrupt
Control
One Analog
Comparator
Port A
I/O
ALU
FLAGS
WDT
Register
Pointer
RAM
Register File
Machine
Timing
OTP Program
Memory
Program
Counter
GND
XTAL
Port B
POR &
I/O
V
CC
BO
V