ZHCSQ68A May 2022 – December 2022 TLIN1431-Q1
PRODUCTION DATA
PIN | TYPE | DESCRIPTION | |
---|---|---|---|
NAME | NO. | ||
VSUP | 1 | I | Device supply voltage (connected to battery in series with external reverse blocking diode) |
VCC | 2 | O | Output voltage from integrated voltage regulator |
nRST | 3 | I/O | Reset input/output (active low) |
WDT/CLK | 4 | I | Pin control: WDT - Programmable watchdog window set input (3 levels) SPI control: CLK - SPI clock input |
nWDR/SDO | 5 | O | Pin control: nWDR - Watchdog failure output trigger SPI control: SDO - SPI serial data output |
WDI/SDI | 6 | I | Pin control: WDI - Watchdog timer trigger input active on both rising and falling edges (Must be driven at all times) SPI control: SDI - SPI serial data input |
PIN/nCS | 7 | I | Pin or SPI control selection pin at power up. Pin control: does not change SPI control: nCS - SPI chip select (active low) |
EN/nINT | 8 | I/O | Pin control: EN - Device mode change input pin SPI control: nINT - Device interrupt output pin |
HSSC/FSO | 9 | I/O | Pin control: HSSC - High side switch control input pin SPI control: FSO - Function output pin |
PV | 10 | O | Internal VBAT voltage divider output |
DIV_ON | 11 | I | Input to turn on the internal VBAT voltage divider, active high |
TXD | 12 | I | TXD input interface to control state of LIN output |
RXD | 13 | O | RXD output interface reporting state of LIN bus voltage |
GND, Pad | 14 | — | Ground |
LIN | 15 | I/O | LIN bus single-wire transmitter and receiver |
WKRQ/INH | 16 | O | Digital output for wake or high voltage inhibit output depending upon state of pin at power up |
WAKE | 17 | I | High voltage local wake up (LWU) pin |
HSS | 18 | O | High side switch |
LIMP | 19 | O | Used for LIMP home, watchdog event causes this pin to switch VSUP |
VBAT | 20 | I | Supply voltage divider sense input (connected to battery) |