W83697HFFDC Information Storage Devices, Inc, W83697HFFDC Datasheet - Page 133
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W83697HFFDC
Manufacturer Part Number
W83697HFFDC
Description
LPC Interface I/o Plus Game/midi Port, Fan Control, Flash ROM I/f
Manufacturer
Information Storage Devices, Inc
Datasheet
1.W83697HFFDC.pdf
(167 pages)
- Current page: 133 of 167
- Download datasheet (2Mb)
9.7.46 Reserved Register -- Index 5Ch ( Bank 4 )
9.7.47 Reserved Register -- Index 5Dh ( Bank 4 )
9.7.48 Value RAM 2
9.7.49 Winbond Test Register -- Index 50h ( Bank 6 )
9.7.50 FAN 1 Pre-Scale Register—Index00h
Power on default [7:0] = 0000-0001 b
PWM frequency = (Input Clock / Pre-scale) / 256
6-0
Bit
7
Auto-Increment
Address A6-A0
PWM_CLK_SEL1
PRE_SCALE1[6:0]
50h
51h
52h
53h
54h
55h
56h
57h
Name
Index 50h - 5Ah (auto-increment) (BANK 5)
5VSB reading
VBAT reading
Reserved
Reserved
5VSB High Limit
5VSB Low Limit.
VBAT High Limit
VBAT Low Limit
Read/Write
Read/Write
Read/Write
PWM Input Clock Select. This bit select Fan 1 input
clock to pre-scale divider.
0: 24 MHz
1: 180 KHz
Fan 1 Input Clock Pre-Scale. The divider of input clock
is the number defined by pre-scale. Thus, writing 1
transfers the input clock directly to counter. The
maximum divider is 128 (7Fh).
01h : divider is 1
02h : divider is 2
03h : divider is 3
- 124 -
Description
Publication Release Date: Feb. 2002
Description
W83697HF/F
Revision 0.70
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