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參數資料
| 型號： | EM78M612DDM |
| 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 |
| 文件頁數： | 12/38頁 |
| 文件大?。?/td> | 1264K |
| 代理商： | EM78M612DDM |
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EM78M612
Universal Serial Bus Microcontroller Series
This specification may change without further notice
.
2004/4/28 V1.1
12
R4 (RAM Select Register)
Default Value
:
(0B_0000_0000)
7
6
5
4
3
2
1
0
BK1
BK0
Ad5
Ad4
Ad3
Ad2
Ad1
Ad0
R4 (RAM select register) contains the address of the registers.
R4 [0~5] are used to select registers in 0x00h~0x3Fh. The address 0x00~0x1F is common
space. After 0x1Fh, SRAM is grouped into four banks.
R4 [6,7] are used to select register banks. To select a registers bank, refer to the following
examples and the table below
:
(1) R4=00001100 and R4=01001100 point to the same register 0x0Ch. Since
0x0Ch is in the common space, Bit 6 and Bit 7 are meaningless.
(2) R4=10111100 points to the register 0x3C in Bank 2.
R4[7]Bk1
R4[6]Bk0
RAM Bank #
0
0
1
1
0
1
0
1
Bank 0
Bank 1
Bank 2
Bank3
R5 (Data Line I/O Register)
Default Value
:
(0B_0000_0000)
7
6
5
4
3
2
1
0
-
-
-
-
-
-
D- or PS/2 D+ or PS/2
R5 [0]
R5 [1]
These two bits are BOTH writable and readable when the MCU is operating under PS/2
mode. But under USB Mode, these two bits cannot be accessed.
D+ line register or PS/2 clock interface register.
D- line register or PS/2 data interface register.
R5 [2~7] General purpose registers.
R6 (Port 6 I/O Register)
Default Value
:
(0B_0000_0000)
7
6
5
4
3
2
1
0
P67
P66
P65
P64
P63
P62
P61
P60
R7 (Port 7 I/O Register)
Default Value
:
(0B_0000_0000)
7
6
5
4
3
2
1
0
P77
P76
P75
P74
P73
P72
P71
P70
R8 (Port 6 Wake-up Pin Selection Register)
Default Value
:
(0B_1111_1111)
7
6
5
4
3
2
1
0
/Wu87
/wu86
/Wu85
/Wu84
/Wu83
/Wu82
/Wu81
/Wu80
相關PDF資料 |
PDF描述 |
|---|---|
| EM78M612DDP | Universal Serial Bus Microcontroller Series |
| EM78M612DEM | Universal Serial Bus Microcontroller Series |
| EM78M612DFM | Universal Serial Bus Microcontroller Series |
| EM78M612 | Universal Serial Bus Microcontroller Series |
| EM78M612A | Universal Serial Bus Microcontroller Series |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 |
| EM78M612DFM | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:Universal Serial Bus Microcontroller Series |
| EM78M680 | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:USB Full Speed Microcontroller |
| EM78P142 | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-Bit Microprocessor with OTP ROM |
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