12197-508-XTD ON Semiconductor, 12197-508-XTD Datasheet - Page 5

• Manufacturer Part Number: 12197-508-XTD
• Manufacturer: ON Semiconductor

Specifications of 12197-508-XTD

• Data Rate: 1.171875Kbps
• Power Supply Type: Analog/Digital
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 5.5V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Pin Count: 28
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Compliant

Table 6. PIN OUT SUMMARY 28−PIN PLCC
Pin No.
2, 3, 4
7, 8, 9
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
11
1
5
6
Signal Name
TEST2, 3, 4
TEST7, 8, 9
RESETB
TEST10
TEST11
TEST12
CDREF
TEST1
TEST5
CBIAS
VDDA
RxAFI
XOUT
AREF
RTSB
RxAF
VDD
VSS
RxD
RxA
TxD
TxA
XIN
CD
RESET
TEST 5
TEST 7
TEST 8
TEST 9
AREF
Figure 3. Pin Out A5191HRT in 28-pin PLCC
TxA
Ground
Output
Output
Output
Output
Output
Output
Power
Power
Type
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
−
−
−
10
11
5
6
7
8
9
12
http://onsemi.com
4
Connect to VSS
No connect
Connect to VSS
Reset all digital logic when low
Connect to VSS
Transmit Data Modulator output
Analog reference voltage
Carrier detect reference voltage
Comparator bias current
Connect to VSS
Analog supply voltage
Receive Data Modulator input
Analog receive filter output
Analog receive comparator input
Crystal oscillator output
Crystal oscillator input
Ground
Digital supply voltage
Request to send
Input transmit date, transmitted HART data stream from microcontroller
No connect
Received demodulated HART data to microcontroller
Carrier detect output
No connect
A5191 HRT
13
3
14
2
15
1
5
28
16
27
17
26
18
PC 20101014 . 1
25
24
23
22
21
20
19
Pin Description
TxD
TEST 11
RST
VDD
VSS
XIN
XOUT