z86e72 ZiLOG Semiconductor, z86e72 Datasheet - Page 8

• Manufacturer Part Number: z86e72
• Description: Otp Microcontroller
• Manufacturer: ZiLOG Semiconductor

PS008704-0507
Programmable
I/O Bit
P00
P07
P20
P21
P22
P23
P24
P25
P26
P27
Port 0
Port 2
Figure 2. Z86E7X Functional Block Diagram
Register Bus
16K x 8
ROM
Extended
Counter/Timer 8
Register
File
8-Bit
Register File
256 x 8-Bit
Internal Data Bus
Address Bus
Internal
Register Bus
Extended
Extended Data RAM
Counter/Timer 16
Z8 Core
512 x 8-Bit
E72 Only
16-Bit
OTP Microcontroller
Instruction
Interrupt Control
Machine
Control
Timing
Power
Comparators
Port 3
Two Analog
&
P31
P32
P33
P34
P35
P36
XTAL2
XTAL1
VDD
VSS
4