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| 型號： | M37281EKSP |
| 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)： | 43/172頁 |
| 文件大小： | 1319K |
| 代理商： | M37281EKSP |
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Rev.1.01 2003.07.16 page 43 of 170
M37281MAH–XXXSP,M37281MFH–XXXSP,M37281MKH–XXXSP, M37281EKSP
8.6.10 Example of Master Transmission
An example of master transmission in the standard clock mode, at
the SCL frequency of 100 kHz and in the ACK return mode is shown
below.
Set a slave address in the high-order 7 bits of the I
2
C address
register (address 00F7
16
) and “0” in the RBW bit.
Set the ACK return mode and SCL = 100 kHz by setting “85
16
” in
the I
2
C clock control register (address 00FA
16
).
Set “10
16
” in the I
2
C status register (address 00F8
16
) and hold the
SCL at the HIGH.
Set a communication enable status by setting “48
16
” in the I
2
C
control register (address 00F9
16
).
Set the address data of the destination of transmission in the high-
order 7 bits of the I
2
C data shift register (address 00F6
16
) and set
“0” in the least significant bit.
Set “F0
16
” in the I
2
C status register (address 00F8
16
) to generate
a START condition. At this time, an SCL for 1 byte and an ACK
clock automatically occurs.
Set transmit data in the I
2
C data shift register (address 00F6
16
). At
this time, an SCL and an ACK clock automatically occurs.
When transmitting control data of more than 1 byte, repeat step
.
Set “D0
16
” in the I
2
C status register (address 00F8
16
). After this, if
ACK is not returned or transmission ends, a STOP condition will
be generated.
8.6.11 Example of Slave Reception
An example of slave reception in the high-speed clock mode, at the
SCL frequency of 400 kHz, in the ACK non-return mode, using the
addressing format, is shown below.
Set a slave address in the high-order 7 bits of the I
2
C address
register (address 00F7
16
) and “0” in the RBW bit.
Set the no ACK clock mode and SCL = 400 kHz by setting “25
16
” in
the I
2
C clock control register (address 00FA
16
).
Set “10
16
” in the I
2
C status register (address 00F8
16
) and hold the
SCL at the HIGH.
Set a communication enable status by setting “48
16
” in the I
2
C
control register (address 00F9
16
).
When a START condition is received, an address comparison is
made.
When all transmitted address are“0” (general call):
AD0 of the I
2
C status register (address 00F8
16
) is set to “1”and
an interrupt request signal occurs.
When the transmitted addresses match the address set in
:
ASS of the I
2
C status register (address 00F8
16
) is set to “1” and
an interrupt request signal occurs.
In the cases other than the above:
AD0 and AAS of the I
2
C status register (address 00F8
16
) are set
to
“0” and no interrupt request signal occurs.
Set dummy data in the I
2
C data shift register (address 00F6
16
).
When receiving control data of more than 1 byte, repeat step
.
When a STOP condition is detected, the communication ends.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37281ERSS | 功能描述:EMULATION MCU/8BIT CMOS EMULATIO RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 過時/停產(chǎn)零件編號 系列:- 標準包裝:1 系列:- 傳感器類型:CMOS 成像，彩色（RGB） 傳感范圍:WVGA 接口:I²C 靈敏度:60 fps 電源電壓:5.7 V ~ 6.3 V 嵌入式:否 已供物品:成像器板 已用 IC / 零件:KAC-00401 相關(guān)產(chǎn)品:4H2099-ND - SENSOR IMAGE WVGA COLOR 48-PQFP4H2094-ND - SENSOR IMAGE WVGA MONO 48-PQFP |
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| M37281MFH-XXXSP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| M37281MKH-XXXSP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER |
| M372899234 | 制造商:ITW Switches 功能描述:IN-RUSH |
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