XC68HC05P18A Motorola, XC68HC05P18A Datasheet - Page 17

• Manufacturer Part Number: XC68HC05P18A
• Description: HCMOS Microcontroller Unit
• Manufacturer: Motorola

MC68HC05P18A
MOTOROLA
RESET
PB5/SDO
PB7/SCK
PB6/SDI
IRQ
NOTE:
CPU CONTROL
CPU REGISTERS
CONDITION CODE
PORT B AND
REGISTERS
USER ROM — 8064 BYTES
AND LOGIC
0
0
SIOP
EEPROM — 128 BYTES
0
A line over a signal name indicates an active low signal. For example,
RESET is active high and RESET is active low.
SRAM — 192 BYTES
Figure 1-1. MC68HC05P18A Block Diagram
REGISTER
0
PROGRAM COUNTER
68HC05 CPU
0
COP
0 0 0
INDEX REGISTER
1
1 1 1
ACCUMULATOR
1
ALU
STK PNTR
H
I N Z C
General Description
PH2
4
1 OUTPUT COMPARE
1 INPUT CAPTURE
2
PORT D LOGIC
16-BIT TIMER
OSC
General Description
Technical Data
OSC1
OSC2
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
PC7/V
PC6/AD0
PC5/AD1
PC4/AD2
PC3/AD3
PC2
PD7/TCAP
TCMP
PD5/CKOUT
PC1
PC0
V
V
DD
SS
Introduction
REFH
17