參數(shù)資料
型號(hào)： EM78M612DBP
廠商： ELAN Microelctronics Corp .
英文描述： Universal Serial Bus Microcontroller Series
中文描述： 通用串行總線控制器系列
文件頁(yè)數(shù)： 21/38頁(yè)
文件大小： 1264K
代理商： EM78M612DBP
EM78M612
Universal Serial Bus Microcontroller Series
This specification may change without further notice
.
2004/4/28 V1.1
21
IOCA (Operation Mode Control Register)
Default Value
:
(0B_1100_0000)
7
6
5
4
3
2
1
0
Dual_Frq.1
Dual_Frq.0
0
0
0
0
PS/2
USB
IOCA [0,1] These two bits are used to select the operation mode. EM78M612 can
auto-detect the type of port device being attached. After identifying the port, the
firmware will set these two bits to enter into a proper operation mode. The
definition of these two control registers is described in the table below.
IOCA[1]
IOCA[0]
Operation Mode
0
0
1
1
0
1
0
1
Detect Mode
USB Mode
PS/2 Mode
USB Test Mode
IOCA [2~5] Undefined registers. The default value is 0.
IOCA [6,7] Select the operation frequency in Dual Clock mode. Four frequencies are
available and can be chosen as Dual Clock mode for running the MCU
program.
Dual_Frq.1
Dual_Frq.0
Frequency
0
0
1
1
0
1
0
1
500Hz
4kHz
32kHz
256kHz
IOCB (Port 6 Pull-Low Control Register)
Default Value
:
(0B_0000_0000)
7
6
5
4
3
2
1
0
PL67
PL66
PL65
PL64
PL63
PL62
PL61
-
IOCB [0~7]
Select whether the 15K Ohm pull-low resistor of Port 6 individual pin is
connected or not.
1: Enable the pull-low function.
0: Disable the pull-low function.
P60 without Pull low Resistor.
IOCC (Port 6 Pull-High Control Register)
Default Value
:
(0B_0000_0000)
7
6
5
4
3
2
1
0
PH67
PH66
PH65
PH64
PH63
PH62
PH61
-
IOCC [0~7]
Select whether the 200K Ohm pull-high resistor of Port 6 individual pin is
connected or not.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EM78M612DCM 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Universal Serial Bus Microcontroller Series
EM78M612DCP 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Universal Serial Bus Microcontroller Series
EM78M612DDM 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Universal Serial Bus Microcontroller Series
EM78M612DDP 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Universal Serial Bus Microcontroller Series
EM78M612DEM 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Universal Serial Bus Microcontroller Series
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