参数资料
型号: A5191HRTLG-XTP
厂商: ON Semiconductor
文件页数: 10/14页
文件大小: 0K
描述: MODEM HART SGL CMOS 32LQFP
标准包装: 1
系列: *
其它名称: A5191HRTLG-XTPOSDKR
A5191HRT
http://onsemi.com
5
8
9
10
11
7
6
5
12 13
14 15 16
17 18
22
21
20
19
23
24
25
4
3
2
1
28
27 26
TEST4
TEST3
TEST2
TEST1
TEST12
CD
RxD
A5191HRT
RESET
TEST5
TEST7
TEST8
TEST9
TxA
AREF
CDREF
CBIAS
TEST10
VDDA
RxA
RxAF
RxAFI
TEST11
TxD
RTS
VDD
VSS
XIN
XOUT
Figure 3. Pin Out A5191HRT in 28-pin PLCC
Table 6. PIN OUT SUMMARY 28PIN PLCC
Pin No.
Signal Name
Type
Pin Description
1
TEST1
Input
Connect to VSS
2, 3, 4
TEST2, 3, 4
Do Not Connect
5
TEST5
Input
Connect to VSS
6
RESETB
Input
Reset all digital logic when low
7, 8, 9
TEST7, 8, 9
Input
Connect to VSS
10
TxA
Output
Transmit Data Modulator output
11
AREF
Input
Analog reference voltage
12
CDREF
Input
Carrier detect reference voltage
13
CBIAS
Output
Comparator bias current
14
TEST10
Input
Connect to VSS
15
VDDA
Power
Analog supply voltage
16
RxA
Input
Receive Data Modulator input
17
RxAF
Output
Analog receive filter output
18
RxAFI
Input
Analog receive comparator input
19
XOUT
Output
Crystal oscillator output
20
XIN
Input
Crystal oscillator input
21
VSS
Ground
22
VDD
Power
Digital supply voltage
23
RTSB
Input
Request to send
24
TxD
Input
Input transmit date, transmitted HART data stream from microcontroller
25
TEST11
Do Not Connect
26
RxD
Output
Received demodulated HART data to microcontroller
27
CD
Output
Carrier detect output
28
TEST12
Do Not Connect
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