GPIO Interface and Digital Pad control
Address |
Register Name |
Register Write |
Register Read |
Default |
Description |
---|---|---|---|---|---|
0x40000900 - 0x4000093C |
GPIO_CFG_* |
(13:12) DRIVE |
(13:12) DRIVE |
0x3 |
Drive strength configuration |
|
|
(10) LPF |
(10) LPF |
0x0 |
Low Pass Filter enable |
|
|
(9:8) PULL_CTRL |
(9:8) PULL_CTRL |
0x1 |
Pull selection |
|
|
(7) NS_ACCESS_GPIO |
(7) NS_ACCESS_GPIO |
0x0 |
Non-Secure code can use GPIO (can only be written by a secure code) |
|
|
(6:0) IO_MODE |
(6:0) IO_MODE |
0x0 |
IO mode selection |
0x40000940 |
GPIO_INPUT_DATA |
- |
(15:0) DATA |
0x0 |
GPIO[15:0] read data |
0x40000944 |
GPIO_OUTPUT_DATA |
(15:0) DATA |
(15:0) DATA |
0x0 |
GPIO[15:0] output data |
0x40000948 |
GPIO_OUTPUT_DATA_SET |
(15:0) GPIO |
- |
N/A |
GPIO[15:0] output data set |
0x4000094C |
GPIO_OUTPUT_DATA_CLR |
(15:0) GPIO |
- |
N/A |
GPIO[15:0] output data clear |
0x40000950 |
GPIO_DIR |
- |
(15:0) GPIO |
0x0 |
Get GPIO[15:0] direction |
|
|
(15:0) GPIO |
- |
N/A |
Set GPIO[15:0] GPIO direction (only in GPIO_MODE_GPIO_x) |
0x40000954 |
GPIO_MODE |
- |
(15:0) GPIO |
0x0 |
GPIO[15:0] mode |
0x40000958 - 0x40000964 |
GPIO_INT_CFG_* |
(12) NS_ACCESS |
(12) NS_ACCESS |
0x0 |
Non-Secure code can access this GPIO_INT (can only be written by a secure code) |
|
|
(11) DEBOUNCE_ENABLE |
(11) DEBOUNCE_ENABLE |
0x0 |
Interrupt button debounce filter enable/disable |
|
|
(10:8) EVENT |
(10:8) EVENT |
0x0 |
Interrupt event configuration |
|
|
(4:0) SRC |
(4:0) SRC |
0x0 |
Interrupt input selection |
0x40000968 |
GPIO_INT_STATUS_S |
- |
(7) GPIO_INT3_STATUS |
0x0 |
GPIO interrupt 3 status |
|
|
- |
(6) GPIO_INT2_STATUS |
0x0 |
GPIO interrupt 2 status |
|
|
- |
(5) GPIO_INT1_STATUS |
0x0 |
GPIO interrupt 1 status |
|
|
- |
(4) GPIO_INT0_STATUS |
0x0 |
GPIO interrupt 0 status |
|
|
(3) GPIO_INT3_CLEAR |
- |
N/A |
GPIO interrupt 3 clear |
|
|
(2) GPIO_INT2_CLEAR |
- |
N/A |
GPIO interrupt 2 clear |
|
|
(1) GPIO_INT1_CLEAR |
- |
N/A |
GPIO interrupt 1 clear |
|
|
(0) GPIO_INT0_CLEAR |
- |
N/A |
GPIO interrupt 0 clear |
0x4000096C - 0x40000978 |
GPIO_INT_STATUS_* |
- |
(4) GPIO_INT_STATUS |
0x0 |
GPIO interrupt status |
|
|
(0) GPIO_INT_CLEAR |
- |
N/A |
GPIO interrupt clear |
0x4000097C |
GPIO_INT_DEBOUNCE |
(8) DEBOUNCE_CLK |
(8) DEBOUNCE_CLK |
0x0 |
Interrupt button debounce filter clock |
|
|
(7:0) DEBOUNCE_COUNT |
(7:0) DEBOUNCE_COUNT |
0x0 |
Interrupt button debounce filter count |
0x40000980 |
GPIO_JTAG_SW_PAD_CFG |
(9) SWCLK_LPF |
(9) SWCLK_LPF |
0x0 |
SWCLK Low-Pass-Filter enable / disable |
|
|
(8) SWDIO_LPF |
(8) SWDIO_LPF |
0x0 |
SWDIO Low-Pass-Filter enable / disable |
|
|
(7) CM33_JTAG_DATA_EN |
(7) CM33_JTAG_DATA_EN |
0x1 |
CM33 JTAG data (TDI and TDO) on GPIO[3:2] |
|
|
(6) CM33_JTAG_TRST_EN |
(6) CM33_JTAG_TRST_EN |
0x1 |
CM33 JTAG TRST on GPIO4 |
|
|
(5:4) SWCLK_PULL |
(5:4) SWCLK_PULL |
0x1 |
SWCLK pull-up enable / disable |
|
|
(3:2) SWDIO_DRIVE |
(3:2) SWDIO_DRIVE |
0x3 |
SWDIO drive strength |
|
|
(1:0) SWDIO_PULL |
(1:0) SWDIO_PULL |
0x1 |
SWDIO pull-up enable / disable |
0x40000A00 - 0x40000A04 |
GPIO_SRC_SPI_* |
(12:8) CS |
(12:8) CS |
0x11 |
SPI_CS input selection |
|
|
(4:0) CLK |
(4:0) CLK |
0x11 |
SPI_CLK input selection |
0x40000A08 - 0x40000A0C |
GPIO_SRC_SPI_IO_* |
(28:24) IO3 |
(28:24) IO3 |
0x11 |
SPI_IO3 input selection |
|
|
(20:16) IO2 |
(20:16) IO2 |
0x11 |
SPI_IO2 input selection |
|
|
(12:8) IO1 |
(12:8) IO1 |
0x11 |
SPI_IO1 input selection (master SERI) |
|
|
(4:0) IO0 |
(4:0) IO0 |
0x11 |
SPI_IO0 input selection (slave SERI) |
0x40000A10 |
GPIO_SRC_UART |
(4:0) RX |
(4:0) RX |
0x11 |
UART_RX input selection |
0x40000A14 - 0x40000A18 |
GPIO_SRC_I2C_* |
(12:8) SDA |
(12:8) SDA |
0x11 |
SDA input selection |
|
|
(4:0) SCL |
(4:0) SCL |
0x11 |
SCL input selection |
0x40000A1C |
GPIO_SRC_PCM |
(20:16) SERI |
(20:16) SERI |
0x11 |
PCM_SERI input selection |
|
|
(12:8) FRAME |
(12:8) FRAME |
0x11 |
PCM_FRAME input selection |
|
|
(4:0) CLK |
(4:0) CLK |
0x11 |
PCM_CLK input selection |
0x40000A20 |
GPIO_SRC_LIN |
(5) LIN_POLARITY |
(5) LIN_POLARITY |
0x1 |
LIN polarity |
|
|
(4:0) LIN |
(4:0) LIN |
0x10 |
LIN input selection |
0x40000A24 |
GPIO_SRC_NMI |
(5) NMI_POLARITY |
(5) NMI_POLARITY |
0x1 |
NMI polarity |
|
|
(4:0) NMI |
(4:0) NMI |
0x10 |
NMI input selection |
0x40000A28 |
GPIO_SRC_BB_RX |
(20:16) SYNC_P |
(20:16) SYNC_P |
0x12 |
Baseband controller interface SYNC_P input selection |
|
|
(12:8) CLK |
(12:8) CLK |
0x12 |
Baseband controller RX clock input selection |
|
|
(4:0) DATA |
(4:0) DATA |
0x12 |
Baseband controller RX data input selection |
0x40000A2C |
GPIO_SRC_BB_SPI |
(4:0) MISO |
(4:0) MISO |
0x12 |
Baseband controller SPI_MISO input selection |
0x40000A30 |
GPIO_SRC_BB_COEX |
(12:8) WLAN_RX |
(12:8) WLAN_RX |
0x10 |
Baseband controller WLAN_RX input selection |
|
|
(4:0) WLAN_TX |
(4:0) WLAN_TX |
0x10 |
Baseband controller WLAN_TX input selection |
0x40000A34 |
GPIO_SRC_BB_IQ_DATA |
(28:24) IQ_DATA_3 |
(28:24) IQ_DATA_3 |
0x12 |
Baseband controller IQ_DATA_3 input selection |
|
|
(20:16) IQ_DATA_2 |
(20:16) IQ_DATA_2 |
0x12 |
Baseband controller IQ_DATA_2 input selection |
|
|
(12:8) IQ_DATA_1 |
(12:8) IQ_DATA_1 |
0x12 |
Baseband controller IQ_DATA_1 input selection |
|
|
(4:0) IQ_DATA_0 |
(4:0) IQ_DATA_0 |
0x12 |
Baseband controller IQ_DATA_0 input selection |
0x40000A38 |
GPIO_SRC_BB_IQ_DATA_P |
(4:0) IQ_DATA_P |
(4:0) IQ_DATA_P |
0x12 |
Baseband controller IQ_DATA_P input selection |
0x40000A3C |
GPIO_SRC_RF_SPI |
(20:16) MOSI |
(20:16) MOSI |
0x12 |
RF front-end SPI_MOSI input selection |
|
|
(12:8) CSN |
(12:8) CSN |
0x12 |
RF front-end SPI_CSN input selection |
|
|
(4:0) CLK |
(4:0) CLK |
0x12 |
RF front-end SPI_CLK input selection |
0x40000A40 |
GPIO_SRC_RF_GPIO03 |
(28:24) GPIO3 |
(28:24) GPIO3 |
0x12 |
RF front-end GPIO3 input selection |
|
|
(20:16) GPIO2 |
(20:16) GPIO2 |
0x10 |
RF front-end GPIO2 input selection |
|
|
(12:8) GPIO1 |
(12:8) GPIO1 |
0x10 |
RF front-end GPIO1 input selection |
|
|
(4:0) GPIO0 |
(4:0) GPIO0 |
0x10 |
RF front-end GPIO0 input selection |
0x40000A44 |
GPIO_SRC_RF_GPIO47 |
(28:24) GPIO7 |
(28:24) GPIO7 |
0x10 |
RF front-end GPIO7 input selection |
|
|
(20:16) GPIO6 |
(20:16) GPIO6 |
0x10 |
RF front-end GPIO6 input selection |
|
|
(12:8) GPIO5 |
(12:8) GPIO5 |
0x10 |
RF front-end GPIO5 input selection |
|
|
(4:0) GPIO4 |
(4:0) GPIO4 |
0x12 |
RE front-end GPIO4 input selection |
0x40000A48 |
GPIO_SRC_RF_GPIO89 |
(12:8) GPIO9 |
(12:8) GPIO9 |
0x10 |
RF front-end GPIO9 input selection |
|
|
(4:0) GPIO8 |
(4:0) GPIO8 |
0x10 |
RF front-end GPIO8 input selection |
0x40000A4C |
GPIO_SRC_RF_CTE |
(12:8) CTE_MODE |
(12:8) CTE_MODE |
0x12 |
RF front-end CTE_MODE input selection |
|
|
(4:0) CTE_SAMPLE_P |
(4:0) CTE_SAMPLE_P |
0x12 |
RF front-end CTE_SAMPLE_P input selection |
0x40000A50 |
GPIO_SRC_ASCC |
(12:8) ASYNC_CLOCK |
(12:8) ASYNC_CLOCK |
0x10 |
ASCC asynchronous clock source input selection |
|
|
(4:0) SYNC_PULSE |
(4:0) SYNC_PULSE |
0x10 |
ASCC synchronization pulse input selection |
0x40000A54 |
GPIO_SRC_EXTCLK |
(4:0) EXTCLK |
(4:0) EXTCLK |
0x10 |
EXTCLK input selection |