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参数资料
| 型号： | CMX644AP4 |
| 厂商： | CML MICROSYSTEMS PLC |
| 元件分类： | 调制器/解调器 |
| 英文描述： | 1.2 kbps DATA, MODEM, PDIP24 |
| 封装： | DIP-24 |
| 文件页数： | 4/34页 |
| 文件大小： | 1174K |
| 代理商： | CMX644AP4 |
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RPM-Based Fan Controller with HW Thermal Shutdown
Datasheet
Revision 0.90 (08-19-08)
12
SMSC EMC2103
DATASHEET
The pin type are described in detail below. All pins labelled with (5V) are 5V tolerant.
N/A
5
GPIO2
GPI2 - General Purpose Input
(default)
DI (5V)
GPO2 - Open Drain digital output
OD (5V)
GPO2 - Push-pull digital output
DO
4
6
ALERT
Active low interrupt - requires
external pull-up resistor.
OD (5V)
5
7
SYS_SHDN
Active low Critical / Thermal
Shutdown output - requires external
pull-up resistor
OD (5V)
68
SMDATA
SMBus data input/output - requires
external pull-up resistor
DIOD (5V)
79
SMCLK
SMBus clock input - requires
external pull-up resistor
DI (5V)
8
10
TACH
Tachometer input for the Fan
DI (5V)
911
PWM
PWM - Open Drain PWM drive
output for the Fan
(default)
OD (5V)
PWM - Push-Pull PWM drive output
for the Fan
DO
10
12
GND
Ground connection
Power
11
13
SHDN_SEL
Selects the hardware shutdown
channel and operating mode
AIO
12
14
TRIP_SET
Voltage input to set the Critical /
Thermal Shutdown threshold
AIO
N/A
15
DN2 / DP3
Negative (cathode) analog input for
External Diode 2 and positive
(anode) analog input for External
Diode 3
AIO
N/A
16
DP2 / DN3
Positive (anode) analog input for
External Diode 2 and negative
(cathode) connection for External
Diode 3
AIO
Table 2.1 Pin Description for EMC2103 (continued)
PIN NUMBER
EMC2103-1
PIN NUMBER
EMC2103-2 AND
EMC2103-4
PIN NAME
PIN FUNCTION
PIN TYPE
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