參數(shù)資料
型號: ST72T85A5Q6
廠商: 意法半導體
英文描述: 8-BIT MCU FOR RDS WITH 48K ROM, 3K RAM, ADC, TWO TIMERS, TWO SPIs, I2C AND SCI INTERFACES
中文描述: 8位微控制器48,000鐵路發(fā)展策略光盤,3K內存,ADC,兩個定時器,2個SPI,I2C和脊髓損傷接口
文件頁數(shù): 57/117頁
文件大?。?/td> 748K
代理商: ST72T85A5Q6
57/117
ST7285C
I
2
C BUS INTERFACE
(Cont’d)
4.5.5 Register Description
CLOCK CONTROL REGISTER (CCR)
Address: 002Bh
Reset Value: 00h
Read / Write
b7:
FM/SM
Fast / Standard I
2
C mode
When the bit is set to 1 the interface operates in
the fast I
2
C bus mode.
When the bit is set to 0 the interface operates in
the standard I
2
C bus mode.
b6-0:
D6-D0
7 bit divider programming
Implementation of a programmable clock divider
In Standard I
2
C mode:
Fscl = PHI1/(2x([D6..D0]+2)); in this case, Fscl
varies
between
15.75KHz and 100
PHI1=4MHz).
In Fast I
2
C mode:
Fscl = PHI1/(3x([D6..D0]+2)); in this case, Fscl
varies
between
10.5
PHI1=4MHz).
KHz (if
KHz
and
333KHz
(if
Table 8. Example of SCL frequency with PHI1 = 4 MHz in Standard I
2
C mode
7
0
FM/SM
CC6
CC5
CC4
CC3
CC2
CC1
CC0
FM/SM
0
0
0
0
0
1
1
1
1
1
1
D6
0
0
0
1
1
0
0
0
0
0
1
D5
0
0
1
0
1
0
0
0
0
0
1
D4
1
1
0
0
1
0
0
0
0
1
1
D3
0
1
0
1
1
0
0
0
1
1
1
D2
0
0
1
1
1
0
1
1
1
0
1
D1
1
1
1
1
1
1
0
1
0
1
1
D0
0
1
0
0
1
0
1
0
1
1
1
Fscl(Khz)
100
70
50
25
15.75
333
190
167
89
43
10.5
相關PDF資料
PDF描述
ST730C08L3 PHASE CONTROL THYRISTORS
ST730C08L3L PHASE CONTROL THYRISTORS
ST730C12L0 PHASE CONTROL THYRISTORS
ST730C12L0L PHASE CONTROL THYRISTORS
ST730C12L1 PHASE CONTROL THYRISTORS
相關代理商/技術參數(shù)
參數(shù)描述
ST730 制造商:IRF 制造商全稱:International Rectifier 功能描述:PHASE CONTROL THYRISTORS Hockey Puk Version
ST7-30 制造商:SUPERWORLD 制造商全稱:Superworld Electronics 功能描述:POWER TRANSFORMER
ST-7300 制造商:GC Electronics 功能描述:
ST730186-3 制造商:KEMET Corporation 功能描述: 制造商:KET 功能描述:
ST730268-1 制造商:KEMET Corporation 功能描述: 制造商:KET 功能描述: