L5951 Ver la hoja de datos (PDF) - STMicroelectronics
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L5951
STMicroelectronics
L5951 Datasheet PDF : 18 Pages
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Block diagram and pins description
1.2
Pins description
Figure 2. Pins connection (top of view)
L5951
REG1
1
24
LVS
RESET
2
23
REG2
REXT
3
22
REG3
GND_REG
4
21
BAT
GND_TX
5
20
GND_TX
GND_TX
6
19
GND_TX
GND_TX
GND_TX
) SLEEP
t(s EN
c 4X
rodu LOOP
7
18
8
17
9
16
10
15
11
14
12
13
D99AU992
GND_TX
GND_TX
BUS
LOAD
TX
RX
te P Table 2. Pins function
le N.
Name
Function
bso 1
REG1 Regulator #1
O 2
Reset (1) Reset Output to C
- 3
Rext Waveshaping Resistor
t(s) 4 GND_REG Regulator Ground
c ,6,7,8,1
u 7,18,19
d ,20
ro 9
GND_TX
Sleep(1)
Transceiver Ground
Transceiver Enable Input
te P 0
EN
Enable for Regulator #3
le 11
4X
4XBus mode (41.6K Baud)
o 12
LOOP Loopback Enable
Obs 13
RX
Serial Data Output to mC
14
TX
Serial Data Input from mC
15
Load External Pull Down to Gnd
16
Bus Bus Output to Vehicle
21
Bat Battery Supply
22
REG3 Regulator #3
23
REG2 Regulator #2
24
LVS Low Voltage Supply
1. Denotes active low for sleep and reset.
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DocID7510 Rev 2
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