參數(shù)資料
型號： EM78P447SAS
廠商： ELAN Microelctronics Corp .
英文描述： 8-BIT MICRO-CONTROLLER
中文描述： 8位微控制器
文件頁數(shù)： 13/55頁
文件大小： 1730K
代理商： EM78P447SAS
EM78P447S
OTP ROM
0: TCC
1: WDT
Bit 2 (PSR2) ~ Bit 0 (PSR0)
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
3. IOC5 ~ IOC7 (I/O Port Control Register)
"1" put the relative I/O pin into high impedance, while "0" defines the relative I/O pin as output.
IOC5 and IOC7 registers are both readable and writable.
4. IOCB (Wake-up Control Register for Port6)
7
6
5
4
3
2
1
0
/WUE7
/WUE6
/WUE5
/WUE4
/WUE3
/WUE2
/WUE1
/WUE0
Bit 7 (/WUE7)
Control bit is used to enable the wake-up function of P67 pin.
Bit 6 (/WUE6)
Control bit is used to enable the wake-up function of P66 pin.
Bit 5 (/WUE5)
Control bit is used to enable the wake-up function of P65 pin.
Bit 4 (/WUE4)
Control bit is used to enable the wake-up function of P64 pin.
Bit 3 (/WUE3)
Control bit is used to enable the wake-up function of P63 pin.
Bit 2 (/WUE2)
Control bit is used to enable the wake-up function of P62 pin.
Bit 1 (/WUE1)
Control bit is used to enable the wake-up function of P61 pin.
Bit 0 (/WUE0)
Control bit is used to enable the wake-up function of P60 pin.
0: Enable internal wake-up.
1: Disable internal wake-up.
IOCB Register is both readable and writable.
5. IOCE (WDT Control Register)
7
-
6
5
4
3
2
-
1
-
0
ODE
WDTE
SLPC
ROC
/WUE
Bit 6 (ODE)
Control bit is used to enable the open-drain of P76 and P77 pins
0: Disable open-drain output.
This specification is subject to change without prior notice.
06.25.2003 (V1.1)
13
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