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参数资料
| 型号： | FMS2704T1C |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO24 |
| 封装： | TSSOP-24 |
| 文件页数： | 4/39页 |
| 文件大小： | 173K |
| 代理商： | FMS2704T1C |
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PRODUCT SPECIFICATION
FMS2704/FMS2704L
12
REV. 1.01 12/2/99
Tachometer Register Denitions
Tachometer Value Registers
Tachometer Status Register (0x60)
Address
Name
Type
Description
0x51
TACA17-0
R
Fan Bank A Tachometer 1 Speed LSB.
0x53
TACA27-0
R
Fan Bank A Tachometer 2 Speed LSB.
0x55
TACB37-0
R
Fan Bank A Tachometer 3 Speed LSB.
0x57
TACB1L7-0
R
Fan Bank B Tachometer 1 Speed LSB.
0x59
TACB27-0
R
Fan Bank B Tachometer 2 Speed LSB.
0x5B
TACB37-0
R
Fan Bank B Tachometer 3 Speed LSB.
0x5D
TACHTRIPA7-0
R/W
Tachometer speed boundary A LSB
0x5F
TACHTRIPB7-0
R/W
Tachometer speed boundary B LSB
BIT#
Name
Type
Description
0
ERROR_TA1
R
Bank A Fan 1 speed status.
0: Speed within TACHTRIPA register boundary.
1: Speed violates TACHTRIPA register boundary.
1
ERROR_TA2
R
Bank A Fan 2 speed status.
0: Speed within TACHTRIPA register boundary.
1: Speed violates TACHTRIPA register value.
2
ERROR_TA3
R
Bank A Fan 3 speed status.
0: Speed within TACHTRIPA register boundary.
1: Speed violates TACHTRIPA register value.
3
ERROR_TB1
R
Bank B Fan 1 speed status.
0: Speed within TACHTRIPB register boundary.
1: Speed violates TACHTRIPB register value.
4
ERROR_TB2
R
Bank B Fan 2 speed status.
0: Speed within TACHTRIPB register boundary.
1: Speed violates TACHTRIPB register value.
5
ERROR_TB3
R
Bank B Fan 3 speed status.
0: Speed within TACHTRIPB register boundary.
1: Speed violates TACHTRIPB register value.
7–6
Tachometer Status Mask Register (0x61)
BIT#
Name
Type
Description
0
MASKA1
R
Mask Bank A Fan 1 speed status.
0: Allow A1LO bit to assert INT output.
1: Prevent A1LO bit from asserting INT output.
1
MASKA2
R
Mask Bank A FAN 2 speed status.
0: Allow A2LO bit to assert INT output.
1: Prevent A2LO bit from asserting INT output.
2
MASKA3
R
Mask Bank A FAN 3 speed status.
0: Allow A3LO bit to assert INT output.
1: Prevent A2LO bit from asserting INT output.
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