Z86L88 Datasheet, PDF (3/66 Pages) Zilog, Inc. – INFRARED REMOTE CONTROLLERS

Z86L88/81/86/87/89/73
IR/Low-Voltage Microcontroller
I/O Bit
Programmable
P00
P01
P02
4
P03
P04
P05
4
P06
P07
P10
P11
P12
P13
8
P14
P15
P16
P17
P20
P21
P22
P23
P24
P25
P26
P27
Port 0
Port 1
Port 2
Register File
256 x 8-bit
Register Bus
ROM
24K/32K x 8
Internal
Address Bus
Internal Data Bus
Z8 Core
Expanded
Register
File
Expanded
Register Bus
Port 3
Machine
Timing
&
Instruction
Control
Counter/Timer 8
8-Bit
Counter/Timer 16
16-Bit
Power
Pref1
P31
P32
1
P33
P34
P35
P36
P37
XTAL
/AS
/DS
R/W
/RESET
R//RL
(44-Pin)
VDD
VSS
Figure 2. Functional Block Diagram
DS96LV00800
PRELIMINARY
3