參數資料
型號: M37225ECSP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PDIP42
封裝: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42
文件頁數: 61/128頁
文件大?。?/td> 1481K
代理商: M37225ECSP
M37225M6/M8/MA/MC-XXXSP, M37225ECSP
Rev.1.00
Nov 01, 2000
page 36 of 124
REJ03B0136-0100Z
Fig. 8.6.6 I2C Control Register
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 format
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
(BSEL0, BSEL1)
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 00DA16]
I2C Control Register
B
Name
Functions
After reset R W
2
R W
Note: When using ports P11-P14 as I2C-BUS interface, the output structure changes
automatically from CMOS output to N-channel open-drain output.
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