Datasheet

48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
VDD_RAM 49 32 nRESET
UART1_nRTS 50 31 RF_BG
RTC_XTAL_P 51 30 RESERVED
RTC_XTAL_N 52 29 RESERVED
NC 53 28 NC
VIN_IO2 54 27 NC
UART1_TX 55 26 NC
VDD_DIG2 56 25 LDO_IN2
UART1_RX 57 24 VDD_PLL
TEST_58 58 23 WLAN_XTAL_P
TEST_59 59 22 WLAN_XTAL_N
TEST_60 60 21 SOP2/TCXO_EN
UART1_nCTS 61 20 NC
TEST_62 62 19 RESERVED
NC 63 18 NC
NC 64 17 NC
1
2
3 4
5
6
7
8 9 10
11
12
13
14
15
16
RESERVED
SOP0
NC
HOSTINTR
FLASH_SPI_CS
DCDC_PA_OUT DCDC_DIG_SW VIN_DCDC_ANA DCDC_ANA_SW
VIN_DCDC_PA
DCDC_PA_SW_P DCDC_PA_SW_N
FLASH_SPI_CLK
VIN_IO1
VDD_DIG1
HOST_SPI_nCS
HOST_SPI_MISO
SOP1
CC3100
FLASH_SPI_MISO
FLASH_SPI_MOSI
VDD_ANA1 VDD_ANA2
DCDC_ANA2_SW_N DCDC_ANA2_SW_P VIN_DCDC_DIG
NC
VDD_PA_IN LDO_IN1
HOST_SPI_MOSI
HOST_SPI_CLK
FORCE_AP
nHIB
CC3100
www.ti.com SWAS031D –JUNE 2013–REVISED FEBRUARY 2015
3 Terminal Configuration and Functions
Figure 3-1 shows pin assignments for the 64-pin QFN package.
Figure 3-1. QFN 64-Pin Assignments (Top View)
3.1 Pin Attributes
Table 3-1 describes the CC3100 pins.
NOTE
If an external device drives a positive voltage to signal pads when the CC3100 device is not
powered, DC current is drawn from the other device. If the drive strength of the external
device is adequate, an unintentional wakeup and boot of the CC3100 device can occur. To
prevent current draw, TI recommends one of the following:
• All devices interfaced to the CC3100 device must be powered from the same power rail
as the CC3100 device.
• Use level-shifters between the CC3100 device and any external devices fed from other
independent rails.
• The nRESET pin of the CC3100 device must be held low until the VBAT supply to the
device is driven and stable.
Copyright © 2013–2015, Texas Instruments Incorporated Terminal Configuration and Functions 5
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