參數(shù)資料
型號(hào)： EM78M612AEM
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?。?/td> 1264K
代理商： EM78M612AEM
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.
相關(guān)PDF資料
PDF描述
EM78M612AFM Universal Serial Bus Microcontroller Series
EM78M612B Universal Serial Bus Microcontroller Series
EM78M612BAM Universal Serial Bus Microcontroller Series
EM78M612BAP Universal Serial Bus Microcontroller Series
EM78M612BBM Universal Serial Bus Microcontroller Series
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EM78M612AFM 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Universal Serial Bus Microcontroller Series
EM78M612B 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Universal Serial Bus Microcontroller Series
EM78M612BAM 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Universal Serial Bus Microcontroller Series
EM78M612BAP 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Universal Serial Bus Microcontroller Series
EM78M612BBM 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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