參數(shù)資料
型號: MC68HC05L25PB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP52
封裝: TQFP-52
文件頁數(shù): 73/152頁
文件大?。?/td> 897K
代理商: MC68HC05L25PB
Read-Only Memory (ROM)
MC68HC05L25 Data Sheet, Rev. 3.1
Freescale Semiconductor
27
Addr.
Register Name
Bit 7
6
5
4
3
2
1
Bit 0
$0000
Port A Data Register
(PORTA)
Read:
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
Write:
Reset:
Unaffected by reset
$0001
Port B Data Register
(PORTB)
Read:
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
Write:
Reset:
Unaffected by reset
$0002
Port C Data Register
(PORTC)
Read:
0
PC3
PC2
PC1
PC0
Write:
Reset:
0
000
U
$0003
Unimplemented
$0007
Unimplemented
$0008
Interrupt Control Register
(INTCR)
Read:
IRQE
00
KWIE
IRQS
000
Write:
Reset:
0
0000
000
$0009
Interrupt Status Register
(INTSR)
Read:
IRQF
00
KWIF
0
000
Write:
RIRQ
RKWIF
Reset:
0
0000
000
$000A
Serial Peripheral Control Register
(SPCR)
Read:
SPIE
SPE
DORD
MSTR
00
0
SPR
Write:
Reset:
0
0000
000
$000B
Serial Peripheral Status Register
(SPSR)
Read:
SPIF
DCOL
000
Write:
Reset:
0
0000
000
$000C
Serial Peripheral Data Register
(SPDR)
Read:
SPD7
SPD6
SPD5
SPD4
SPD3
SPD2
SPD1
SPD0
Write:
Reset:
Unaffected by reset
$000D
Unimplemented
$000F
Unimplemented
$0020
LCD Control Register
(LCDCR)
Read:
LCDE
PBEH
DUTY
PBEL
00
FC
LC
Write:
Reset:
0
0000
000
= Unimplemented
R
= Reserved
U = Unaffected
Figure 2-4. I/O Registers (Sheet 1 of 3)
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