L9669 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L9669' PDF : 13 Pages View PDF
L9669
Figure 2. Pin Connection top view.
INH
1
TXD
2
RXD
3
NERR
4
NSTB
5
EN
6
WAKE
7
99AT0002
14 VS
13 GND
12 CANL
11 CANH
10 VCC
9 RTL
8 RTH
Table 1. Pin Functions
N°
Pin
Function
1
INH Inhibit Output - for switching external 5V Regulator
2
TXD Transmit Data Input - active LOW dominant Bit transmission
3
RXD Receive Data Output - active LOW dominant Bit reception
4
NERR Error/Diagnostic Output - active LOW error/Wake-up and Diagnostic output
5
NSTB Not Standby Input - Digital control signal for low power modes
6
EN
Enable Input/Diagnostic Clock -
Digital control signal for low power modes/Diagnostic clock
7
WAKE
Wake-Up Input - If level of VWAKE changes the device initiates a wake-up from sleep mode by
switching INH to VS
8
RTH Termination Resistor for CANH - controlled by internal error management
9
RTL Termination Resistor for CANL - controlled by internal error management
10
VCC Supply Voltage Input - +5V
11
CANH High Voltage Bus Line - High: dominant state
12
CANL Low Voltage Bus Line - Low: dominant state
13
GND Ground
14
VS Battery Voltage Input - +12V
Table 2. Thermal Data
Symbol
Parameter
Rthj-amb Thermal resistance junction to ambient
Value
120
Unit
°C/W
2/13
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