參數(shù)資料
型號: MC68HC705V8CFU
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PQFP64
封裝: QFP-64
文件頁數(shù): 84/172頁
文件大?。?/td> 890K
代理商: MC68HC705V8CFU
MOTOROLA
SECTION 1: GENERAL DESCRIPTION
Page 8
MC68HC705V8 Specification Rev. 2.1
1.4
MCU STRUCTURE
The overall block diagram of the MC68HC705V8 is shown in Figure 1-6.
Figure 1-6:
MC68HC705V8 Block Diagram
STK PTR
WATCHDOG
OSCILLATOR
COND CODE REG 1 1 1
I N Z C
H
INDEX REG
CPU CONTROL
0 0 0
1
0
RESET
OSC 1
OSC 2
SRAM -512 BYTES
USER EPROM -12K BYTES
IRQ
ALU
68HC05 CPU
ACCUM
PROGRAM COUNTER
CPU REGISTERS
÷2
PA7 *
PA0 *
PA1 *
PA2 *
PA3 *
PA4 *
PA5 *
PA6 *
DA
T
A
DIRECTION
REG
POR
T
A
VSSD
* IRQ Interrupt Capability
1
EEPROM -128 BYTES
16-BIT TIMER with
1 IPC & 1 OPC
PB7/TCAP
PB0
PB1
PB2
PB3
PB4
PB5
PB6/TCMP
DA
T
A
DIRECTION
REG
POR
T
B
PC7 *
PC0 *
PC1 *
PC2 *
PC3 *
PC4 *
PC5 *
PC6 *
DA
T
A
DIRECTION
REG
POR
T
C
MCU POWER SUPPLY
REGULATION
VDD
LVR
VBATT/VPP
1 Channel
38 frequency, 6-bit PWM
Internal
VDD
SPI
PF3/MISO
PF2/MOSI
PF1/SCLK
PWM
VSSD
16-channel,
8-bit
A/D
converter
AD0/PD0
AD1/PD1
AD2/PD2
AD3/PD3
AD4/PD4
AD5/PD5
AD6/PD6
AD7/PD7
AD8/PE0
AD9/PE1
AD10/PE2
AD11/PE3
AD12/PE4
AD13/PE5
AD14/PE6
AD15/PE7
VREFH
VREFL
MDLC
LOAD
BUS
REXT2
REXT1
VSSA2
Port E not bonded out
in 56-pin SDIP
PF0/SS
Interrupt
VSSA1
VCCA
To A/D
VCC
VIGN
CLKIN
POR
T
F
DDR
8-BIT TIMER with RTI
VDD
F
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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