參數(shù)資料
型號: MC68HC705F8FU
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 1.8 MHz, MICROCONTROLLER, PQFP64
封裝: QFP-64
文件頁數(shù): 41/126頁
文件大?。?/td> 736K
代理商: MC68HC705F8FU
MC68HC05F8
MOTOROLA
1-3
GENERAL DESCRIPTION
1
Figure 1-1 MC68HC05F8/MC68HC705F8 Block Diagram
USER ROM/
EPROM - 8K-BYTES
SELF-CHECK/
BOOTSTRAP ROM - 496 BYTES
RAM - 320 BYTES
ACCUMULATOR
INDEX REGISTER
STACK POINTER
PROGRAM COUNTER
CONDITION CODE REGISTER
M68HC05
CPU
RESET
0
7
0
15
7
15
4
5
0
01
1
HI
N Z C
OSC
÷ 2
POWER
16-BIT
RELOADABLE
TIMER
OSC1
OSC2
VDD
VSS
SPI
PD5/SDI
PD6/SDO
PD7/SCK
PG0
PG1
IRQ1
IRQ2
PA0 - PA7
8
TCMP
TCAP
COP
SYSTEM
16-BIT
FREE-RUNNING
TIMER
MANCHESTER
ENCODER/DECODER
DTMF/MELODY
GENERATOR
DDR
A
POR
T
A
PB0 - PB7
8
DDR
B
POR
T
B
PC0 - PC7
8
DDR
C
POR
T
C
DDR
D
POR
T
D
PE0 - PE7
8
DDR
E
POR
T
E
PF0 - PF7
8
DDR
F
POR
T
F
DDR
G
POR
T
G
PD0 - PD4
5
KEYBOARD
INTERRUPT
CIRCUIT
ENCOOUT
DECOIN
TONEOUT
TONEX
TIMER/BUS
CLOCK
PRESCALER
TO PERIPHERALS
TPG
19
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