Z86C15 Datasheet, PDF (2/10 Pages) Zilog, Inc. – CMOS Z8 8-BIT MCU KEYBOARDCONTROLLER

GENERAL DESCRIPTION (Continued)
Z86C15
CP96KEY0603
Output Input
Port 3
Counter/
Timers (2)
Interrupt
Control
Vcc GND
ALU
Flags
Register
Pointer
Register File
258 x 8-Bit
Machine
Timing & Inst.
Control
WDT
POR
Program
Memory
Program
Counter
Port 2
I/O
(Bit Programmable)
Port 0
Port 1
4
4
I/O
(Nibble Programmable)
8
I/O
(Byte Programmable)
Z86C15 Functional Block Diagram
2