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SLUUC57A–October 2019–Revised June 2020
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Copyright © 2019–2020, Texas Instruments Incorporated
BQ79600-Q1 Evaluation Module
Table 3. Pin Description
Pin Name Comments
1 DVDD 1.8-V regulated output. DVDD supplies the internal digital circuits
2 NFAULT Fault indication output
3 VIO Power supply input for UART/SPI input/output pins
4 RX/MOSI UART receiver input or SPI master out slave in
5 TX/MISO UART transmitter output or SPI master in slave out
6 SCLK SPI clock input
7 nCS Active low chip select pin for SPI interface
8 nUART/SPI (SPI_RDY) This pin is used as an input pin to select SPI or UART interface before device finishes
wakeup/reset initialization. If SPI mode is selected, SPI_RDY is used to inform the host when
read/write can be initiated or if wait time is needed
9 GND Ground
10 COMLP AC coupled bi-directional I/O pin for daisy chain (VIF) communication
11 COMLN AC coupled bi-directional I/O pin for daisy chain (VIF) communication
12 COMHP AC coupled bi-directional I/O pin for daisy chain (VIF) communication
13 COMHN AC coupled bi-directional I/O pin for daisy chain (VIF) communication
14 CVDD Dedicated 5-V supply used for the daisy chain communications
15 BAT Battery supply Input
16 INH Inhibit pin to control system voltage regulators
3.1.3 Host Interface
There are three different ways for the host to connect to the BQ79600EVM: using the USB2ANY interface
adaptor, the UART FTDI cable ( to communicate through UART only), or using the LAUNCHXL2-
TMS57012 microcontroller BoosterPack connector.
The 10-pin J4 - serial connector is used to connect the BQ79600EVM to a PC running the GUI or to a
host controller. Texas Instruments recommends using the USB2ANY interface adaptor which includes the
proper 10-pin cable.
Figure 3. Samtec Inc. TSW-105-08-L-D-RA (reference image only)
Table 4. Connector Information
Designator Manufacturer Part Number Mating Connector
J4 Samtec Inc. Manufacturer: TSW-105-08-
L-D-RA
10-pin ribbon connector packaged with USB2ANY
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