參數(shù)資料
型號： M37274MA-052SP
廠商： Mitsubishi Electric Corporation
英文描述： PHOTO SM DETECTOR
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
文件頁數(shù)： 132/147頁
文件大?。?/td> 2042K
代理商： M37274MA-052SP
132
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.
I
2
C Status Register
I
2
C Address Register
Address 00F7
16
Address 00F8
16
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
b7 b6 b5 b4 b3 b2 b1 b0
I
2
C status register (S1) [Address 00F8
16
]
I
2
C Status Register
0
3
4
5
6, 7
b7 b6
0 0 : Slave recieve mode
0 1 : Slave transmit mode
1 0 : Master recieve mode
1 1 : Master transmit mode
1
2
0
0
0
0
0
B
Name
Functions
After reset
R W
Communication mode
specification bits
(TRX, MST)
0 : Bus free
1 : Bus busy
Bus busy flag (BB)
0 : Interrupt request issued
1 : No interrupt request issued
I
2
C-BUS interface interrupt
request bit (PIN)
0 : Not detected
1 : Detected
Arbitration lost detecting flag
(AL) (See note)
0 : Address mismatch
1 : Address match
Slave address comparison
flag (AAS) (See note)
0 : No general call detected
1 : General call detected
General call detecting flag
(AD0)
(See note)
0 : Last bit = “0 ”
1 : Last bit = “1 ”
Last receive bit (LRB)
(See note)
Note :
These bits and flags can be read out, but cannnot be written.
Indeterminate
R —
R —
R —
R —
R —
R W
0
R W
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