參數(shù)資料
型號(hào): 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(jī)隱蔽字幕解碼器和屏幕顯示控制器
文件頁(yè)數(shù): 35/172頁(yè)
文件大?。?/td> 1319K
代理商: M37281EKSP
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Rev.1.01 2003.07.16 page 35 of 170
M37281MAH–XXXSP,M37281MFH–XXXSP,M37281MKH–XXXSP, M37281EKSP
8.6.2 I
2
C Address Register
The I
2
C address register (address 00F7
16
) consists of a 7-bit slave
address and a read/write bit. In the addressing mode, the slave ad-
dress written in this register is compared with the address data to be
received immediately after the START condition are detected.
(1) Bit 0: Read/Write Bit (RBW)
Not used when comparing addresses, in the 7-bit addressing mode.
In the 10-bit addressing mode, the first address data to be received
is compared with the contents (SAD6 to SAD0 + RBW) of the I
2
C
address register.
The RBW bit is cleared to “0” automatically when the STOP condi-
tion is detected.
(2) Bits 1 to 7: Slave Address (SAD0–SAD6)
These bits store slave addresses. Regardless of the 7-bit address-
ing mode and the 10-bit addressing mode, the address data trans-
mitted from the master is compared with the contents of these bits.
Fig. 8.6.3 I
2
C Address Register
7 b
6 b
5 b
4 b
3 b
2 b
1 b
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相關(guān)PDF資料
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