參數(shù)資料
型號(hào)： M37274EFSP
廠商： Mitsubishi Electric Corporation
英文描述： CONN HEADER 14POS SGL PCB 30GOLD
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)： 60/147頁
文件大?。?/td> 2042K
代理商： M37274EFSP
60
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.
(6) START Condition Generation Method
When the ESO bit of the I
2
C control register (address 00F9
16
) is “1,”
execute a write instruction to the I
2
C status register (address 00F8
16
)
to set the MST, TRX and BB bits to “1.” A START condition will then
be generated. After that, the bit counter becomes “000
2
” and an SCL
for 1 byte is output. The START condition generation timing and BB
bit set timing are different in the standard clock mode and the high-
speed clock mode. Refer to Figure 58 for the START condition gen-
eration timing diagram, and Table 8 for the START condition/STOP
condition generation timing table.
Fig. 57. Interrupt Request Signal Generation Timing
SCL
PIN
IICIRQ
Fig. 58. START Condition Generation Timing Diagram
(7) RESTART Condition Generation Method
To generate the RESTART condition, take the following sequence:
1
Set “20
16
” to the I
2
C status register (S1).
2
Write a transmit data to the I
2
C data shift register.
3
Set “F0
16
” to the I
2
C status register (S1) again.
<Example of Setting of RESTART Condition>
I
2
C status register
; S1 = 20
16
I
2
C data shift register ; S0 = transmit data after restart
I
2
C status register
; S1 = F0
16
I
2
C status register
write signal
Set time for
BB flag
Hold time
Setup
time
SCL
SDA
BB flag
Setup
time
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M37274MA 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
M37274MA-052SP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
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