MC68HC05F8 Datasheet, PDF (21/126 Pages) Motorola, Inc – High-density complementary metal oxide semiconductor(HCMOS) microcontroller unit

Freescale Semiconductor, Inc.
1
RESET
IRQ1
IRQ2
USER ROM/EPROM - 8K-BYTES
SELF-CHECK/BOOTSTRAP ROM - 496 BYTES
RAM - 320 BYTES
7
0
M68HC05
CPU
ACCUMULATOR
7
0
INDEX REGISTER
15
5
0
0000000011
STACK POINTER
15
4
0
PROGRAM COUNTER
7
0
1 1 1H I NZC
CONDITION CODE REGISTER
OSC1
OSC2
TCAP
TCMP
VDD
VSS
OSC ÷ 2
POWER
COP
SYSTEM
TIMER / BUS
CLOCK
PRESCALER
TO PERIPHERALS
16-BIT
FREE-RUNNING
TIMER
16-BIT
RELOADABLE
TIMER
KEYBOARD
INTERRUPT
CIRCUIT
SPI
8
PA0 - PA7
8
PB0 - PB7
8
PC0 - PC7
5
PD0 - PD4
PD5 / SDI
PD6/ SDO
PD7/ SCK
8
PE0 - PE7
8
PF0 - PF7
PG0
PG1
MANCHESTER
ENCODER/DECODER
DTMF / MELODY
GENERATOR
DECOIN
ENCOOUT
TONEOUT
TONEX
Figure 1-1 MC68HC05F8/MC68HC705F8 Block Diagram
MC68HC05F8
GENERAL DESCRIPTION
For More Information On This Product,
Go to: www.freescale.com
TPG
MOTOROLA
1-3