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參數(shù)資料
| 型號(hào)： | EM78Q156A |
| 廠商： | ELAN Microelctronics Corp . |
| 英文描述： | 8-Bit Micro-Controller for General-Purpose Product(工作電壓2.5V-6.5V的8位微控制器) |
| 中文描述： | 8位微控制器的通用產(chǎn)品（工作電壓為2.5V至6.5V的8位微控制器） |
| 文件頁數(shù)： | 6/24頁 |
| 文件大?。?/td> | 274K |
| 代理商： | EM78Q156A |
* This specification are subject to be changed without notice.
EM78Q156A/B
8-BIT MICRO-CONTROLLER FOR GENERAL PURPOSE PRODUCT
6
6.30.1998
Preliminary
Internal data transfer, or instruction operand holding
It’s not an addressable register.
CONT (Control Register)
7
-
6
5
4
3
2
1
0
INT
TS
TE
PAB
PSR2
PSR1
PSR0
Bit 0 (PSR0)
~
TCC/WDT prescaler bits.
Bit 2 (PSR2)
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)
0: TCC
1: WDT
Bit 4 (TE)
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)
INT enable flag
0: interrupt masked by DISI or hardware interrupt
1: interrupt enabled by ENI/RETI instructions
Bit 7
Not used.
Prescaler assignment bit.
TCC signal edge
CONT register is readable and writable.
IOC5 ~ IOC6 (I/O Port Control Register)
"1" put the relative I/O pin into high impedance, while "0" put the relative I/O pin as output.
Low order 4 bits are used in IOC5.
IOC5 and IOC6 registers are readable and writable.
IOCB (Pull-down Control Register)
7
6
5
4
3
-
2
1
0
/PD7
/PD6
/PD5
/PD4
/PD2
/PD1
/PD0
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