4. Pinout
The Atmel WINC1500 is offered in an exposed pad 40L, QFN package. The package has an exposed paddle
that must be connected to the system board ground.
Table 4-1. WINC1500 QFN Pin Connectivity
Pin # Pin Name
Pull up/down
1
TP_P
None
2
VDD_RF_RX
None
3
VDD_AMS
None
4
VDD_RF_TX
None
5
VBAT_PPA
None
6
VBAT_PA
None
7
RFIOP
None
8
RFION
None
9
SPI_CFG
None
10 GPIO0/HOST_WAKE
Programmable Pull-Up
11 GPIO2/IRQN
Programmable Pull-Up
12 UART_TXD
Programmable Pull-Up
13 SPI_RXD
Programmable Pull-Up
14 VDD_1V20_1
None
15 VDDIO
None
16 SPI_SSN
Programmable Pull-Up
17 SPI_TXD
Programmable Pull-Up
18 SPI_SCK
Programmable Pull-Up
19 UART_RXD
Programmable Pull-Up
20 VBATT_BUCK
None
21 VSW
None
22 VREG_BUCK
None
23 CHIP_EN
None
24 GPIO1/RTC_CLK
Programmable Pull-Down
25 TEST_MODE
None
26 VDDIO
None
27 VDD_1V20_2
None
28 GPIO17
Programmable Pull-Up
29 GPIO18
Programmable Pull-Up
Description
Test Pin / Customer No Connect
Tuner 1.2V RF Supply
1.2V Analog / Mixed Signal Supply
Tuner 1.2V RF supply
PrePA power supply
Battery Power Supply for PA
Pos RF Differential I/O
Neg RF Differential I/O
Tie to HIGH for SPI
GPIO0 / SLEEP Mode Control
GPIO2 / Device Interrupt
UART_TXD
SPI Data Rx
1.2V Core Power Supply
I/O Power Supply
SPI Slave Select
SPI Data Tx
SPI Clock
UART_RXD
Battery Supply for DC/DC Converter
1.2V Power from DC/DC Converter
Feeds VSW Back to DC/DC Converter
PMU Enable
GPIO1 / 32 kHz Clock Input
Test Mode – Customer Tie to GND
I/O Power Supply
1.2V Core Power Supply
GPIO17
GPIO18
Atmel ATWILC1500A [PRELIMINARY DATASHEET]
5
Atmel-42353A-WINC1500-SmartConnect-Datasheet_092014