参数资料
型号: MC68HC08LT8
厂商: 飞思卡尔半导体(中国)有限公司
英文描述: Microcontrollers
中文描述: 微控制器
文件页数: 15/156页
文件大小: 1030K
代理商: MC68HC08LT8
MCU Block Diagram
MC68HC08LT8 Data Sheet, Rev. 1
Freescale Semiconductor
15
Figure 1-1. MC68HC08LT8 Block Diagram
SYSTEM INTEGRATION
MODULE
ARITHMETIC/LOGIC
UNIT (ALU)
CPU
REGISTERS
M68HC08 CPU
CONTROL AND STATUS REGISTERS — 96 BYTES
USER ROM — 8,192 BYTES
USER RAM — 128 BYTES
MONITOR ROM — 960 BYTES
USER ROM VECTOR SPACE — 48 BYTES
EXTERNAL INTERRUPT
MODULE
D
P
INTERNAL BUS
(1)
RST
(1)
IRQ
COMPUTER OPERATING
PROPERLY MODULE
PTC7
PTC6
PTC5/FP24
(4)
PTC4/FP23
(4)
PTC3/FP22
PTC2/FP21
PTC1/FP20
PTC0/FP19
POWER-ON RESET
MODULE
POWER
VSS
(4)
VLCD
2-CHANNEL TIMER INTERFACE
MODULE 1
2-CHANNEL TIMER INTERFACE
MODULE 2
LIQUID CRYSTAL DISPLAY
DRIVER MODULE
KEYBOARD INTERRUPT
MODULE
PROGRAMMABLE PERIODIC
INTERRUPT MODULE
OSC MODULE
OSC1
OSC2
16-MHz OSCILLATOR
32.768-kHz OSCILLATOR
FP0/BP3
VDD
D
P
PTB7/FP2
(4)
PTB6/FP1
(4)
PTB3/T1CH1
(3)
PTB2/T1CH0/PPIECK
(3)
PTB1/T2CH1
PTB0/T2CH0
D
P
PTA7
PTA6
PTA5
PTA4
PTA3/KBI3
(2)
PTA2/KBI2
(2)
PTA1/KBI1
(2)
PTA0/KBI0
(2)
(1)
Pin contains integrated pullup device.
(2) Pin contains integrated pullup device if configured as KBI.
(3) High current sink pin, 15mA.
(4) Pin not available on 44-pin packages
LOW-VOLTAGE INHIBIT
MODULE
P
D
PTD7/FP18
:
PTD0/FP11
P
D
PTE7/FP10
:
PTE0/FP3
BP2
:
BP0
XTAL1
XTAL2
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