a5191hrt AMI Semiconductor, Inc., a5191hrt Datasheet - Page 2
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a5191hrt
Manufacturer Part Number
a5191hrt
Description
Amis Hart Modem
Manufacturer
AMI Semiconductor, Inc.
Datasheet
1.A5191HRT.pdf
(11 pages)
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A A 5 5 1 1 9 9 1 1 H H R R T T A A M M I I S S H H A A R R T T ™ ™ M M o o d d e e m m
A A M M I I S S e e m m i i c c o o n n d d u u c c t t o o r r - - R R e e v v . . 2 2 . . 0 0 , , M M a a r r . . 0 0 5 5
P P i i n n N N o o . . S S i i g g n n a a l l N N a a m m e e T T y y p p e e
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Table 1: Pinout Summary 28-Pin PLCC, A5191HRTP/Pg (12197-504/508)
TEST1
TEST2
TEST3
TEST4
TEST5
INRESET
TEST7
TEST8
TEST9
OTXA
IAREF
ICDREF
OCBIAS
TEST10
VDDA
IRXA
ORXAF
IRXAC
OXTL
IXTL
VSS
VDD
INRTS
ITXD
TEST11
ORXD
OCD
TEST12
Input
-
-
-
Input
Input
Input
Input
Input
Output
Input
Input
Output Comparator bias current
Input
Power
Input
Output Analog receive filter output
Input
Output Crystal oscillator output
Input
Ground Ground
Power
Input
Input
-
Output Received demodulated HART data to UART
Output Carrier detect output
-
P P i i n n D D e e s s c c r r i i p p t t i i o o n n
Connect to V
No connect
No connect
No connect
Connect to V
Reset all digital logic when low
Connect to V
Connect to V
Connect to V
Output transmit analog, FSK modulated HART
transmit signal to 4-20mA loop interface circuit
Analog reference voltage
Carrier detect reference voltage
Connect to V
Analog supply voltage
FSK modulated HART receive signal from
4-20mA loop interface circuit
Analog receive comparator input
Crystal oscillator input
Digital supply voltage
Request to sent
Input transmit date, transmitted HART data
stream from UART
No connect
No connect
SS
SS
SS
SS
SS
SS
2
P P i i n n N N o o . . S S i i g g n n a a l l N N a a m m e e
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Table 2: Pinout Summary 32-Pin LQFP, A5191HRTL/Lg (12197-503/507)
TEST5
INRESET
TEST7
TEST8
TEST9
VSS
OTXA
IAREF
ICDREF
OCBIAS
TEST10
VSSA
VDDA
IRXA
ORXAF
IRXAC
OXTL
IXTL
VSSA
VSS
VDD
INRTS
ITXD
TEST11
ORXD
OCD
TEST12
TEST1
TEST2
VDD
TEST3
TEST4
Input
Input
Input
Input
Input
Ground Digital ground
Output
Input
Input
Output Comparator bias current
Input
Ground Analog ground
Power Analog supply voltage
Input
Output Analog receive filter output
Input
Output Crystal oscillator output
Input
Ground Analog ground
Ground Digital ground
Power Digital supply voltage
Input
Input
-
Output Received demodulated HART data to UART
Output Carrier detect output
-
Input
-
Power Digital supply voltage
-
-
T T y y p p e e
P P i i n n D D e e s s c c r r i i p p t t i i o o n n
Connect to V
Reset all digital logic when low, connect to V
for normal operation
Connect to V
Connect to V
Connect to V
Output transmit analog, FSK modulated HART
transmit signal to 4-20mA loop interface circuit
Analog reference voltage
Carrier detect reference voltage
Connect to V
FSK modulated HART receive signal from
4-20mA loop interface circuit
Analog receive comparator input
Crystal oscillator input
Request to send
Input transmit data, transmitted HART data
stream from UART
No connect
No connect
Connect to V
No connect
No connect
No connect
SS
SS
SS
SS
SS
SS
Data Sheet
DD