參數(shù)資料
型號(hào): MC68HC705JB2DW
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 3 MHz, MICROCONTROLLER, PDSO20
封裝: SOIC-20
文件頁數(shù): 46/128頁
文件大?。?/td> 2493K
代理商: MC68HC705JB2DW
GENERAL RELEASE SPECIFICATION
August 28, 1998
MEMORY
MC68HC705JB2
2-4
REV 1.1
ADDR
REGISTER
R/W
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
$0000
PORT A DATA
R
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
(PORTA)
W
$0001
PORT B DATA
R
PB2
PB1
PB0
(PORTB)
W
$0002
UNIMPLEMENTED
R
W
$0003
UNIMPLEMENTED
R
W
$0004
PORT A DATA DIR
R
DDRA7
DDRA6
DDRA5
DDRA4
DDRA3
DDRA2
DDRA1
DDRA0
(DDRA)
W
$0005
PORT B DATA DIR
R
SLOWE
DDRB2
DDRB1
DDRB0
(DDRB)
W
$0006
UNIMPLEMENTED
R
W
$0007
UNIMPLEMENTED
R
W
$0008
MFT CONTROL &
STATUS (TCSR)
R
TOF
RTIF
TOFE
RTIE
00
RT1
RT0
W
TOFR
RTIFR
$0009
MFT COUNTER
R
TMR7
TMR6
TMR5
TMR4
TMR3
TMR2
TMR1
TMR0
TCNT
W
$000A
IRQ CONTROL &
STATUS (ICSR)
R
IRQE
0
IRQF
0
W
IRQR
$000B
UNIMPLEMENTED
R
W
$000C
UNIMPLEMENTED
R
W
$000D
UNIMPLEMENTED
R
W
$000E
UNIMPLEMENTED
R
W
$000F
UNIMPLEMENTED
R
W
Figure 2-3. I/O Registers $0000-$000F
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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