BCM43903 Datasheet, PDF (62/87 Pages) Cypress Semiconductor – WICED™ IEEE 802.11 b/g/n SoC with an Embedded Applications Processor

BCM43903 Preliminary Data Sheet
Power Supply Segments
Power Supply Segments
The digital I/O's are placed in physical segments. The supply voltage for each segment can be independently
selected.
Table 16 shows the power supply segments and the I/O pins associated with each segment.
Table 16: Power Supply Segments
Power Supply Segment
VDDIO
VDDIO_RF
Pins
GPIO_0, GPIO_1, GPIO_2, GPIO_3, GPIO_4, GPIO_5, GPIO_6, GPIO_7,
GPIO_8, GPIO_9, GPIO_10, GPIO_11, GPIO_12, GPIO_13, GPIO_14,
GPIO_15, GPIO_16, I2C0_CLK, I2C0_SDATA, I2C1_CLK, I2C1_SDATA,
JTAG_SEL, SFL_CLK, SFL_CS, SFL_IO0, SFL_IO1, SFL_IO2, SFL_IO3,
SPI0_CLK, SPI0_CS, SPI0_MISO, SPI0_SISO, SPI1_CLK, SPI1_CS,
SPI1_MISO, SPI1_SISO, SRSTN, UART0_CTS, UART0_RTS, UART0_RXD,
UART0_TXD
RF_SW_CTRL_0, RF_SW_CTRL_1, RF_SW_CTRL_2, RF_SW_CTRL_3,
RF_SW_CTRL_4, RF_SW_CTRL_5, RF_SW_CTRL_6, RF_SW_CTRL_7,
RF_SW_CTRL_8, RF_SW_CTRL_9
GPIO, UART, and JTAG Interfaces DC Characteristics
Parameter
Logic input high voltage
Logic input low voltage
Logic output high voltage
Logic output low voltage
Table 17: GPIO, UART, and JTAG Interfaces
Symbol
V_IH
V_IL
V_OH
V_OL
Minimum
2.0
–0.5
2.4
–
Maximum Units
VDDIO + 0.5 V
0.8
V
–
V
0.4
V
Conditions
–
–
–
–
Broadcom^®
March 12, 2016 • 43903-DS102-R
BROADCOM CONFIDENTIAL
Page 61