參數(shù)資料
型號(hào): 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(shù): 16/128頁
文件大?。?/td> 1481K
代理商: M37225ECSP
M37225M6/M8/MA/MC-XXXSP, M37225ECSP
Rev.1.00
Nov 01, 2000
page 110 of 124
REJ03B0136-0100Z
Address 00DB16
b7 b6 b5 b4 b3 b2 b1 b0
I2C clock control register (S2) [Address 00DB16]
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 R W
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 400 kHz 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
R W
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