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參數(shù)資料
| 型號(hào)： | EM78P267A |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | 8-Bit Micro-Controller for Consumer Product(帶2K × 13片上ROM，工作電壓2.5V-5.5V的8位微控制器) |
| 中文描述： | 8位微控制器的消費(fèi)產(chǎn)品（帶2K × 13片上ROM的，工作電壓為2.5V至5.5V的8位微控制器） |
| 文件頁(yè)數(shù)： | 7/20頁(yè) |
| 文件大?。?/td> | 144K |
| 代理商： | EM78P267A |
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* This specification are subject to be changed without notice.
EM78P267/467A/B/C
8-BIT MICRO-CONTROLLER FOR CONSUMER PRODUCT
Preliminary
9.5.1997
IOCF is the interrupt mask register.
Note that reading R3F by instruction will get the result of
“
logic AND
”
of R3F and IOCF.
Special Purpose Registers
A (Accumulator)
Internal data transfer, or instruction operand holding
It
’
s not an addressable register.
CONT (Control Register)
7
6
5
4
3
2
1
0
PHEN
INT
TS
TE
PAB
PSR2
PSR1
PSR0
Bit 0 (PSR0) ~ Bit 2 (PSR2)
TCC/WDT prescaler bits.
PSR2
0
0
0
0
1
1
1
1
PSR1
0
0
1
1
0
0
1
1
PSR0
0
1
0
1
0
1
0
1
TCC Rate
1:2
1:4
1:8
1:16
1:32
1:64
1:128
1:256
WDT Rate
1:1
1:2
1:4
1:8
1:16
1:32
1:64
1:128
Bit 3 (PAB)
Prescaler assignment bit.
0: TCC
1: WDT
Bit 4 (TE)
TCC signal edge
0: increment from low to high transition on TCC pin
1: increment from high to low transition on TCC pin
Bit 5 (TS)
TCC signal source
0: internal instruction cycle clock
1: transition on TCC pin
Bit 6 (INT)
Interrupt enable flag which cannot be written by CONTW instruction.
0: interrupt masked by DISI or hardware interrupt.
1: interrupt enabled by ENI/RETI instruction.
Bit 7 (/PHEN)
I/O pin pull-high enable flag
0: P60~P67 and P74~P75 have internal pull-high.
1: pull-high is disabled.
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| EM78P468N | 8-BIT MICROCONTROLLER |
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| EM78P468NBQ | 8-BIT MICROCONTROLLER |
| EM78P468NCQ | 8-BIT MICROCONTROLLER |
| EM78P468NH | 8-BIT MICROCONTROLLER |
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