STPCI2 STMicroelectronics, STPCI2 Datasheet - Page 40

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

STRAP OPTION
3.2. TYPICAL STRAP OPTION
Table Table
required to boot the STPC in ISA mode with a
40/111
Note
PCMCIA, Local Bus).
Note
Signal
MD 43
MD[4]
MD[5]
MD[6]
MD[7]
MD[8]
MD[9]
MD10
MD11
MD14
MD15
MD16
MD17
MD18
MD19
MD20
MD21
MD23
MD24
MD25
MD26
MD27
MD28
MD29
MD30
MD31
MD32
MD33
MD34
MD35
MD36
MD37
MD38
MD40
MD41
MD42
1
2
MD1
MD2
MD3
: Strap options on TC/PA[3] and DACK_ENC[2:0]/PA[2:0] are required for all the STPC Atlas Configurations (ISA,
: Must be implemented.
IMPLEMENTATION
3-1.shows the detailed Strap options
MCLK Synchro (see
Table 3-1. Typical Strap Option Implementation
Local Bus Boot Device Size
ISA / PCMCIA / Local Bus
PCI_CLKO Programming
CPU clock Multiplication
CPU clock Multiplication
MCLK Pad Direction
HCLK Pad Direction
DCLK Pad Direction
PCI_CLKO Divisor
PCI_CLKO Divisor
HCLK PLL Speed
HCLK Speed
Designation
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Issue 1.0
Section 3.1.1.
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2
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2
2
2
2
2
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2
- July 24, 2002
Host Clock Frequency of 66MHz in X2 mode with
internal keyboard/mouse, UARTS and parallel
port enabled.
)
User defined
Pull down
Pull down
Pull down
Pull down
Pull down
Pull down
Pull down
Pull down
Pull down
Pull down
Pull down
Pull down
Pull down
Pull down
Pull down
Pull down
Settings
Pull Up
Actual
Pull up
Pull up
Pull up
Pull up
Pull up
Pull up
Pull up
Pull up
Pull up
Pull up
Pull up
Pull up
Pull up
Pull up
Pull up
Pull up
Pull up
Pull up
Pull up
Pull up
Pull up
PCICLK PLL Window =
PCICLK = HCLK/2
PCICLK = HCLK/2
32MHz - 64MHz
HCLK = 66MHz
HCLK = 66MHz
Not Applicable
Asynchronous
Description
ISA Mode
X2 Mode
X2 mode
Output
Output
Output
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-