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DS00002838B-page 9

UPD301A

3.0

PIN DESCRIPTIONS AND CONFIGURATION

3.1

Pin Assignments

The device pin diagram for the UPD301A can be seen in Figure 3-1. Table 3-1 provides a UPD301A pin assignment

table. Pin descriptions are provided in Section 3.2, "Pin Descriptions".

FIGURE 3-1:

UPD301A PIN ASSIGNMENTS (TOP VIEW)

Microchip

UPD301A

(Top View 40-VQFN)

Note: Exposed pad (VSS) on bottom of package must be connected to ground .

NC

22

23

24

25

26

27

28

29

9

8

7

6

5

4

3

2

CC2

VCONN _IN

CC1

VDD12_CORE_OUT

VDD33_REG_IN

NC

NC

VBUS_DET_IN

VPP18

I2C_ADDR_SEL

EN_VBUS

SPI_MOSI

NC

SPI_CLK

SPI_MISO

Thermal slug connects to VSS

10

RESET_N_OUT

21

VDD33_ANA_IN

1

ORIENTATION _N

SPI_IRQ_N

30