Users Manual

ITM-1066A User Manual
Proprietary & Confidential Information iotTech Corporation, Taiwan
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4.2 Pin Function Description
Pin Pin-Define Type Description
1 GND P Ground
2 VBAT P Main Power Supply Input 3.3V
3 LDO_EN I Active High to Enable Whole Module
4 GPIO22 / ADC0 I/O/AI GPIO22 / I2C_ SDA / UART0_RXD / ADC0
5 GPIO21 / ADC1 I/O/AI GPIO21 / I2C_ SCL / UART0_TXD / ADC1
6
GPIO20 / ADC2 /
I2S_ MCLK
I/O/AI GPIO20 / ADC2 / I2S_ MCLK
7 GPIO00 / ADC3 / PWM0 I/O/AI GPIO00 / ADC3 / PWM0
8 NC
－
Not connected
9 NC
－
Not connected
10 GPIO01 / PWM1 I/O GPIO01 / PWM1
11 GPIO02 / PWM2 I/O GPIO02 / PWM2
12
GPIO05 / UART1_RTS /
I2S_BCLK
I/O GPIO05 / UART1_RTS / I2S_BCLK
13
GPIO06 / UART1_RXD /
I2S_DI
I/O GPIO06 / UART1_RXD / I2S_DI
14
GPIO07 / UART1_TXD /
I2S_DO
I/O GPIO07 / UART1_TXD / I2S_DO
15 GND GND Ground
16 NC
－
Not connected
17
GPIO09 / UART1_CTS /
I2S_LRCLK
I/O GPIO09 / UART1_CTS / I2S_LRCLK
18 GPIO11 / SPI_S_CLK I/O GPIO11 / SPI_S_CLK
19 NC
－
Not connected
20 NC
－
Not connected
21 NC
－
Not connected
22 NC
－
Not connected
23 GPIO08 / SPI_M_CLK I/O GPIO08 / SPI_M_CLK
24
GPIO13 / SPI_M_CS /
SPI_S_CS
I/O
GPIO13 / SPI_M_CS / SPI_S_CS
(NOT available in iTM-1066AM module because
occupied by embedded PSRAM)
25
GPIO12 / SPI_M_MOSI /
SPI_S_MISO
I/O GPIO12 / SPI_M_MOSI / SPI_S_MISO
26 GPIO10 / SPI_M_MISO / I/O GPIO10 / SPI_M_MISO / SPI_S_MOSI