mc68hc05l25 Freescale Semiconductor, Inc, mc68hc05l25 Datasheet - Page 15

• Manufacturer Part Number: mc68hc05l25
• Description: M68hc05 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
XOSC1
XOSC2
RESET
V DD
V
OSC1
OSC2
SS
OSCILLATOR
OSCILLATOR
CONDITION CODE REG
SYSTEM
CPU REGISTERS
COP
CONTROL
CPU
PROGRAM COUNTER
Figure 1-1. MC68HC05L25 Block Diagram
M68HC05 CPU
MC68HC05L25 Data Sheet, Rev. 3.1
TIME BASE
(RMO/BZ)
SYSTEM
SEL
INDEX REGISTER
ACCUMULATOR
SRAM — 176 BYTES
SELF-CHECK ROM
STACK POINTER
6160 BYTES
240 BYTES
PROCESSOR
ROM
INTERNAL
ALU
CLOCK
÷ 2
DRIVERS
LCD
16
4
PC0/SCK
PC1/SDO
PC2/SDI
PC3/IRQ
PA0/KWI0
PA1/KWI1
PA2/KWI2
PA3/KWI3/BZ
PA4/AD0/EVI
PA5/AD1
PA6/RMO
PA7
PB0/FP24
PB1/FP23
PB2/FP22
PB3/FP21
PB4/FP20
PB5/FP19
PB6/FP18
PB7/FP17
FP1–FP16
BP 0–BP3
V
LCD
MCU Structure
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