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AMD Geode SC2200 User Manual

Page 88

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92

AMD Geode™ SC2200 Processor Data Book

General Configuration Block

32580B

15:14

Reserved.

13

Reserved. Must be set to 0.

12

Reserved. Must be set to 0.

11:10

Reserved.

9:8

FPCICK (Internal Fast-PCI Clock). (Read Only) Reflects the internal Fast-PCI clock and is the input to the GX1 module
that is used to generate the core clock. These bits reflect the value of strap pins CLKSEL[1:0].

00: 33.3 MHz

01: 48 MHz

10: 66.7 MHz

11: 33.3 MHz

7:4

Reserved.

3:0

MVAL (Multiplier Value). This 4-bit value controls the multiplier in ADL. The value is set according to the Maximum Clock
Multiplier bits of the MCCM register (Offset 10h). The multiplier value should never be written with a multiplier which is differ-
ent from the multiplier indicated in the MCCM register.

0100: Multiply by 4

0101: Multiply by 5

0110: Multiply by 6

0111: Multiply by 7

1000: Multiply by 8

1001: Multiply by 9

1010: Multiply by 10

Other: Reserved

Table 4-8. Clock Generator Configuration (Continued)

Bit

Description