STPCI2 STMicroelectronics, STPCI2 Datasheet - Page 37

• Manufacturer Part Number: STPCI2
• Description: STPC ATLAS DATASHEET - X86 CORE PC COMPATIBLE SYS
• Manufacturer: STMicroelectronics

3.1.3. HCLK PLL STRAP REGISTER
This register is read only.
HCLK_STRAP0
Bit Number Sampled
7
MD[3]
Bits 7-6
Bits 5-3
Bits 2-0
0
0
0
0
RSV
6
This register defaults to the values sampled on the MD pins after reset
MD[2]
0
0
0
0
Mnemonic
MD[26:24]
Rsv
Rsv
MD[26]
Table 3-1. HCLK Frequency Configuration
5
All other settings are reserved
Access = 0022h/0023h
MD[26]
Description
These bits are fixed to ‘0’
These pins reflect the values sampled on MD[26:24] pins respectively
and control the Host clock frequency synthesizer as shown in
Reserved
Issue 1.0
MD[25]
0
0
0
0
4
- July 24, 2002
MD[24]
MD[25]
3
0
0
1
1
2
MD[24]
0
1
0
1
RSV
1
STRAP OPTION
Regoffset =05Fh
HCLK Speed
25 MHz
50 MHz
60 MHz
66 MHz
Table 3-1
0
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