參數(shù)資料
型號: M37151
廠商: Renesas Technology Corp.
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
中文描述: 單芯片8位CMOS微機隱蔽字幕解碼器和屏幕顯示控制器
文件頁數(shù): 35/139頁
文件大?。?/td> 1491K
代理商: M37151
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37151M6/M8/MA/MC/MF-XXXFP, M37151EFFP
MITSUBISHI MICROCOMPUTERS
34
Rev 1.0
Fig. 8.6.6 I
2
C Control Register
b7 b6 b5 b4 b3 b2 b1 b0
0
to
2
Bit counter
(Number of transmit/recieve
bits)
(BC0 to BC2)
b2 b1 b0
0 0 0 : 8
0 0 1 : 7
0 1 0 : 6
0 1 1 : 5
1 0 0 : 4
1 0 1 : 3
1 1 0 : 2
1 1 1 : 1
3
I
2
C-BUS interface use
enable bit (ESO)
0 : Disabled
1 : Enabled
4
Data format selection
bit(ALS)
0 : Addressing mode
1 : Free data format
5
Addressing format selection
bit (10BIT SAD)
0 : 7-bit addressing format
1 : 10-bit addressing format
6, 7 Connection control bits
between I
2
C-BUS interface
and ports
(BSEL0, BSEL1)
b7 b6 Connection port (See note)
0 0: None
0 1: SCL1, SDA1
1 0: SCL2, SDA2
1 1: SCL1, SDA1
SCL2, SDA2
0
0
0
0
0
I
2
C control register (S1D) [Address 00F9
16
]
I
2
C Control Register
B
Name
Functions
After reset
R W
Note:
Set the corresponding direction register to "1" to use the port as multi-master I
2
C-BUS interface.
To use SCL1, SDA1, SCL2 and SDA2, set the port P3 Register
(address 00C6
16
) bit 2 to 0.
R W
R W
R W
R W
R W
Fig. 8.6.7 Port P3 Register
Port P3 register (P3)
[Address 00C6
16
]
Port P3 register
0
1
2
Port P3 register
Indeterminate
Indeterminate
W
R
4 to
7
b7 b6 b5 b4 b3 b2 b1 b0
Nothing is assigned. This bit is write disable bit.
When this bit is read out, the value is "0."
W
R
0
W
R
0
R
3
(BSEL20) (See note)
0
W
R
SCL3/P3
1
-SCL1/P1
1
SDA3/P3
0
-SDA1/P1
3
Connection control bit (BSEL21)
Notes
For the ports used as the Multi-master I
2
C-BUS interface, set their direction registers to 1.
To use SCL3 and SDA3, set the I
2
C Control Register (address 00F9
16
) bits 6–7 to 0.
B
Name
Functions
After reset
R W
Port
P3
0
data
Port
P3
1
data
Switch bit of I
2
C-BUS
interface and port P3
0
Port
P3
0
,
Port
P3
1
1 I
2
CBUS (SDA3,SCL3)
0 Cutting
1 Connection
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相關代理商/技術參數(shù)
參數(shù)描述
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