SC2200UFH233F33 AMD (ADVANCED MICRO DEVICES), SC2200UFH233F33 Datasheet - Page 82
SC2200UFH233F33
Manufacturer Part Number
SC2200UFH233F33
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet
1.SC2200UFH233F33.pdf
(429 pages)
Specifications of SC2200UFH233F33
Operating Temperature (min)
0C
Operating Temperature (max)
85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / Rohs Status
Compliant
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Offset 08h-0Bh
This register contains the current value of the High-Resolution Timer.
Offset 0Ch
This register supplies the High-Resolution Timer status information.
Offset 0Dh
This register enables the High-Resolution Timer interrupt; selects the Timer clock; and disables the 27 MHz internal clock during low
power states.
Offset 0Eh-0Fh
31:0
Bit
7:1
7:3
0
1
0
2
Description
Current Timer Value.
Reserved.
TMSTS (TIMER Status). This bit is set to 1 when the most significant bit (bit 31) of the timer changes from 1 to 0. It is
cleared to 0 upon system reset or when 1 is written by software to this bit.
Reserved.
TM27MPD (TIMER 27 MHz Power Down). This bit is cleared to 0 when POR# is asserted or when the GX1 module de-
asserts its internal SUSPA# signal (i.e., on SUSPA# rising edge). See Section 4.4.2.1 "Usage Hints" on page 85.
0: 27 MHz input clock is enabled.
1: 27 MHz input clock is disabled when the GX1 module asserts its internal SUSPA# signal.
TMCLKSEL (TIMER Clock Select).
0: Count-up timer uses the oscillator clock divided by 27.
1: Count-up timer uses the oscillator clock, 27 MHz clock.
TMEN (TIMER Interrupt Enable).
0: High-Resolution Timer interrupt is disabled.
1: High-Resolution Timer interrupt is enabled.
32580B
Table 4-4. High-Resolution Timer Registers
TIMER Configuration Register - TMCNFG (R/W)
TIMER Value Register - TMVALUE (RO)
TIMER Status Register - TMSTS (R/W)
Reserved - RSVD
AMD Geode™ SC2200 Processor Data Book
General Configuration Block
Reset Value: xxxxxxxxh
Reset Value: 00h
Reset Value: 00h
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