z86e73 ZiLOG Semiconductor, z86e73 Datasheet - Page 2

• Manufacturer Part Number: z86e73
• Description: Infrared Remote Controllers
• Manufacturer: ZiLOG Semiconductor

GENERAL DESCRIPTION (Continued)
2
Programmable
I/O Bit
P00
P01
P02
P03
P04
P05
P06
P07
P10
P12
P13
P14
P15
P16
P17
P20
P21
P22
P23
P24
P25
P26
P27
P11
8
8
4
8
4
4
Port 4
Port 5
Port 6
Port 0
Port 1
Port 2
P R E L I M I N A R Y
Functional Block Diagram
Register Bus
16K/32K x 8
Z86E74/L74
version only
ROM
Extended
Counter/Timer 8
Register
File
8-Bit
512 or 1K x 8-bit
Register File
Internal Data Bus
Address Bus
Internal
Register Bus
Extended
Counter/Timer 16
Z8 Core
16-Bit
Instruction
Machine
Control
Timing
Power
Port 3
&
Z86E73/E74/L73/L74
CP95LVO0801
P31
P32
P33
P34
P35
P36
P37
XTAL
/AS
/DS
R/W
/RESET
VDD
VSS