f75334 Feature Integration Technology Inc., f75334 Datasheet - Page 56
f75334
Manufacturer Part Number
f75334
Description
Performance Controller
Manufacturer
Feature Integration Technology Inc.
Datasheet
1.F75334.pdf
(66 pages)
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7-3
4-0
7-3
2-0
6-4
3-0
6-1
Bit
Bit
Bit
Bit
8.3.28
8.3.29
8.3.30
8.3.31
7
7
0
LOAD_RANGE_SEL R/W
LOAD_HOLD_TIME R/W
LOAD_UP_TIME
ONE_SHOT_EN
TIMEOUT_CNT
SORTING_EN
Loading Gauge Hysteresis Timeout Control register Index 23h
Loading Increasing Control register 1 Index 25h
Loading Increasing Control register 2 Index 26h
Loading Gauge Sorting & One Shot Control register Index 30h
Reserved
Reserved
Reserved
Reserved
Name
Name
Name
Name
R/W Default
R/W
R/W Default
R/W Default
R/W
R/W Default
R/W
R/W
R
R
R
R
0
5
0
0
0
7
9
0
0
0
Reserved
If loading gauge reading is located at one of the hysteresis range and stay
at this range for TIMEOUT_CNT monitoring times, the current section will
return to the previous one.
Reserved
These bits are for pre-control machine use that is for fan control by loading
status. When loading status increases promptly over the setting as below,
fan control system will pre-control fan speed up to cool down the predict
raising temperature. This value is base on LG_READING [17:6] register.
000: 0x01
001: 0x02
010: 0x04
011: 0x08
100: 0x0F
101: 0x1F
110: 0x3F
111: 0x7F
Reserved
Default 6.4 seconds (800ms per step). These bits will be used with
Loading Increase Control register. When fan speed increasing to expect
status (follow the LOAD_UP_TIME), user can fill out these two bits register
to decide period of hold time.
Default 4 seconds (400ms per step).
LOAD_RANGE_SEL setting, user can set the raising time of fan speed.
Set this bit to 1 for sorting hysteresis. It will be auto cleared after finish
sorting.
Reserved
Set this bit to enable one-shot. If one-shot is finished, gauge_counter_dis
bit will be set to 1. If another one-shot is needed, just write
gauge_counter_dis bit to 0
49
Description
Description
Description
Description
When loading status run over
F75334
July, 2007
V0.25P
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