參數(shù)資料
型號(hào)： M37274MA-084SP
廠商： Mitsubishi Electric Corporation
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)： 54/147頁(yè)
文件大?。?/td> 2042K
代理商： M37274MA-084SP
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54
MITSUBISHI MICROCOMPUTERS
M37274EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
PRELIMINARY
Notice: This is not a final specification.
Some paramentic limits are subject to change.
(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.
I
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 condition
is detected.
I
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. 52. I
2
C Address Register
b7 b6 b5 b4 b3 b2 b1 b0
0
Read/write bit
(RBW)
1
to
7
Slave address
(SAD0 to SAD6)
0: Read
1: Write
0
0
The address data transmitted from
the master is compared with the
contents of these bits.
I
2
C Address Register
I
2
C address register (S0D) [Address 00F7
16
]
B
Name
Functions
After reset
R W
R —
R W
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