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PC87365 датащи(PDF) 75 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали PC87365
подробное описание детали  128-Pin LPC SuperI/O with System Hardware Monitoring
PDF  215 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87365 датащи(HTML) 75 Page - National Semiconductor (TI)

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2.0 Device Architecture and Configuration (Continued)
75
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2.18 FAN SPEED CONTROL AND MONITOR (FSCM) CONFIGURATION
2.18.1
General Description
This module includes three Fan Speed Control units and three Fan Speed Monitor units. The 15 runtime registers of the six
functional blocks are arranged in the address space shown in Table 31. The base address is 16-byte aligned. Address bits
0-3 are used to indicate the register offset.
Table 31. Runtime Registers in FSCM Address Space
2.18.2
Logical Device 9 (FSCM) Configuration
Table 32 lists the configuration registers that affect the Fan Speed Controls and the Fan Speed Monitors. Only the last one
(F0h) is described here. See Sections 2.2.3 and 2.2.4 for a detailed description of the others.
Table 32. FSCM Configuration Registers
Offset
Mnemonic
Register Name
Function
00h
FCPSR0
Fan Control 0 Pre-Scale
Fan Speed Control 0
01h
FCDCR0
Fan Control 0 Duty Cycle
02h
FCPSR1
Fan Control 1 Pre-Scale
Fan Speed Control 1
03h
FCDCR1
Fan Control 1 Duty Cycle
04h
FCPSR2
Fan Control 2 Pre-Scale
Fan Speed Control 2
05h
FCDCR2
Fan Control 2 Duty Cycle
06h
FMTHR0
Fan Monitor 0 Threshold
Fan Speed Monitor 0
07h
FMSPR0
Fan Monitor 0 Speed
08h
FMCSR0
Fan Monitor 0 Control & Status
09h
FMTHR1
Fan Monitor 1 Threshold
Fan Speed Monitor 1
0Ah
FMSPR1
Fan Monitor 1 Speed
0Bh
FMCSR1
Fan Monitor 1 Control & Status
0Ch
FMTHR2
Fan Monitor 2 Threshold
Fan Speed Monitor 2
0Dh
FMSPR2
Fan Monitor 2 Speed
0Eh
FMCSR2
Fan Monitor 2 Control & Status
0Fh
Reserved
Index
Configuration Register or Action
Type
Reset
30h
Activate. See also bit 0 of the SIOCF1 register.
R/W
00h
60h
Base Address MSB register.
R/W
00h
61h
Base Address LSB register. Bit 3-0 (for A3-0) are read only, 0000b.
R/W
00h
70h
Interrupt Number and Wake-Up on IRQ Enable register (see note, p. 35).
R/W
00h
71h
Interrupt Type. Bit 1 is read/write. Other bits are read only.
R/W
03h
74h
Report no DMA assignment.
RO
04h
75h
Report no DMA assignment.
RO
04h
F0h
Fan Speed Control and Monitor Configuration 1 register.
R/W
00h
F1h
Fan Speed Control and Monitor Configuration 2 register
R/W
00h
F2h
Fan Speed Control OTS Configuration register
R/W
00h



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