参数资料
型号: M37274MA-XXXSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, MICROCONTROLLER, PDIP52
封装: 0.600 INCH, 1.778 MM PITCH, SHRINK, PLASTIC, DIP-52
文件页数: 21/131页
文件大小: 2049K
代理商: M37274MA-XXXSP
117
MITSUBISHI MICROCOMPUTERS
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37274MA-XXXSP
PRELIMINARY
Notice:
This
is not
a final
specification.
Some
paramentic
limits
are
subject
to change.
I2C Clock Control Register
I2C Control Register
Address 00F916
Address 00FA16
b7 b6 b5 b4 b3 b2 b1 b0
0
to
2
Bit counter
(Number of transmit/recieve
bits)
(BC0 to BC2)
b2 b1 b0
0
0 : 8
0
1 : 7
0
1
0 : 6
0
1
1 : 5
1
0
0 : 4
1
0
1 : 3
1
0 : 2
1
1 : 1
3
I2C-BUS interface use
enable bit (ESO)
0 : Disabled
1 : Enabled
4
Data format selection bit
(ALS)
0 : Addressing mode
1 : Free data format
5
Addressing format selection
bit (10BIT SAD)
0 : 7-bit addressing format
1 : 10-bit addressing format
6, 7 Connection control bits
between I C-BUS interface
and ports
b7 b6 Connection port (See note)
0
0 : None
0
1 : SCL1, SDA1
1
0 : SCL2, SDA2
1
1 : SCL1, SDA1
SCL2, SDA2
0
I2C control register (S1D : address 00F9 16)
I2C Control Register
B
Name
Functions
After reset RW
Note: When using ports P11-P14 as I C-BUS interface, the output structure changes
automatically from CMOS output to N-channel open-drain output.
2
RW
b7 b6 b5 b4 b3 b2 b1 b0
I2C clock control register (S2 : address 00FA 16)
I2C Clock Control Register
0
to
4
SCL frequency control bits
(CCR0 to CCR4)
7
5
6
SCL mode
specification bit
(FAST MODE)
0
: Standard clock mode
1
: High-speed clock mode
0
Standard clock
mode
B
Name
Functions
After reset RW
0
ACK bit
(ACK BIT)
ACK clock bit
(ACK)
0
: ACK is returned.
1
: ACK is not returned.
0
: No ACK clock
1
: ACK clock
High speed
clock mode
Setup disabled Setup disabled
00 to 02
Setup disabled
333
03
Setup disabled
250
04
100
400 (See note)
05
83.3
166
06
500/CCR value
1000/CCR value
...
17.2
34.5
1D
16.6
33.3
1E
16.1
32.3
1F
(at
φ = 4 MHz, unit : kHz)
Note: At 4000kHz in the high-speed clock mode, the duty is as below .
“0” period : “1” period = 3 : 2
In the other cases, the duty is as below.
“0” period : “1” period = 1 : 1
Setup value of
CCR4–CCR0
RW
相关PDF资料
PDF描述
M37373M8-XXXSP 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP52
M37409M2-XXXFP 8-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP56
M37413E6HXXXFP 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQFP80
M37413M4-XXXFP 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP80
M37420M4-XXXSP 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP52
相关代理商/技术参数
参数描述
M37276MF248SP 制造商:MITSUBISHI 功能描述:*
M37276MF2575P 制造商:MITSUBISHI 功能描述:*
M37276MF260SP 制造商:MITSUBISHI 功能描述:*
M37276MF300SP 制造商:MITSUBISHI 功能描述:*
M37276MF301SP 制造商:MITSUBISHI 功能描述:*