C517A_99 Datasheet, PDF (22/218 Pages) Siemens Semiconductor Group – 8-Bit CMOS Microcontroller

Fundamental Structure
C517A
XTAL1
XTAL2
ALE
PSEN
EA
PE/SWD
RESET
HWPD
RO
OWE
V_AREF
V_AGND
Oscillator Watchdog
OSC & Timing
CPU
8 Datapointer
Programmable
Watchdog Timer
Timer 0
Timer 1
Timer 2
Capture
Compare Unit
Compare Timer
Serial Channel 0
Programmable
Baud Rate Generator
Serial Channel 1
Programmable
Baud Rate Generator
Interrupt Unit
A/D Converter
10 Bit
S&H
C517A
Analog
MUX
Figure 2-1
Block Diagram of the C517A
RAM
256 x 8
XRAM
2k x 8
ROM
32k x 8
Emulation
Support
Logic
Port 0
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Port 7
Port 8
Port 0
8-Bit Digital I/O
Port 1
8-Bit Digital I/O
Port 2
8-Bit Digital I/O
Port 3
8-Bit Digital I/O
Port 4
8-Bit Digital I/O
Port 5
8-Bit Digital I/O
Port 6
8-Bit Digital I/O
Port 7
8-Bit Analog/
Digital Input
Port 8
4-Bit Analog/
Digital Input
MCB03320
Semiconductor Group
2-2