參數(shù)資料
型號: MC68HC05P9AP
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, PDIP28
封裝: PLASTIC, DIP-28
文件頁數(shù): 75/158頁
文件大?。?/td> 3885K
代理商: MC68HC05P9AP
Memory
Input/Output Register Summary
Memory
$0017
Output Compare Register Low (OCRL)
Read:
Bit 7
654321
Bit 0
Write:
Reset:
Unaffected by reset
$0018
Timer Register High (TRH)
Read: Bit 15
14
13
12
11
10
9
Bit 8
Write:
Reset:
Reset initializes TRH to $FF
$0019
Timer Register Low (TRL)
Read:
Bit 7
654321
Bit 0
Write:
Reset:
Reset initializes TRL to $FC
$001A
Alternate Timer Register High (ATRH)
Read: Bit 15
14
13
12
11
10
9
Bit 8
Write:
Reset:
Reset initializes ATRH to $FF
$001B
Alternate Timer Register Low (ATRL)
Read:
Bit 7
654321
Bit 0
Write:
Reset:
Reset initializes ATRL to $FC
$001C
Unimplemented
Read:
Write:
Reset:
Unaffected by reset
$001D
ADC Data Register (ADDR)
Read:
Bit 7
654321
Bit 0
Write:
Reset:
Unaffected by reset
$001E
ADC Status/Control Register (ADSCR)
Read:
CCF
ADRC
ADON
00
CH2
CH1
CH0
Write:
Reset:
00000000
$001F
Reserved
Read:
RRRRRRRR
Write:
Reset:
$1FF0
COP Register (COPR)
Read:
RRRRRRR
COPC
Write:
Reset:
Unaffected by reset
Addr.
Name
R/W
Bit 7
654321
Bit 0
= Unimplemented
R = Reserved
U = Unaffected
Figure 9. I/O Register Summary (Continued)
9-mc68hc05p9a
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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