W83194BR-39B Просмотр технического описания (PDF) - Winbond
Номер в каталоге
Компоненты Описание
Список матч
W83194BR-39B Datasheet PDF : 20 Pages
| |||
W83194BR-39B
11 1 1 0 1
11 1 1 1 0
11 1 1 1 1
196.00
198.00
200.00
196.00
198.00
200.00
PRELIMINARY
39.20
39.60
40.00
7.2.1 Register 0: CPU Frequency Select Register (default = 0)
Bit @PowerUp
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
0
Pin
Description
-
SSEL5 (for frequency table selection by software via I2C)
-
SSEL4 (for frequency table selection by software via I2C)
-
SSEL3 (for frequency table selection by software via I2C)
-
SSEL2 (for frequency table selection by software via I2C)
-
SSEL1 (for frequency table selection by software via I2C)
-
SSEL0 (for frequency table selection by software via I2C)
-
0 = Selection by hardware
1 = Selection by software I2C - Bit 7:2
-
0 = Running
1 = Tristate all outputs
7.2.2 Register 1 : CPU , 48/24 MHz Clock Register (1 = enable, 0 = Stopped)
Bit @PowerUp Pin
Description
7
1
- Reserved
6
1
- Reserved
5
0
- 0 = Normal
1 = Spread Spectrum enabled
4
0
- 0 = ±0.25% Spread Spectrum Modulation
1 = ±0.5% Spread Spectrum Modulation
3
1
40 SDRAM12 (Active / Inactive)
2
1
- Reserved
1
1
43 CPUCLK1 (Active / Inactive)
0
1
44 CPUCLK_F (Active / Inactive)
Publication Release Date: June 2000
-9-
Revision 0.46
Share Link: 