User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 61 of 909 2019 Ambiq Micro, Inc.
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C6 - 34
0 ADCSE6 Analog to Digital Converter Single-Ended Input 6 Input
1 NCE34
IO Master N Chip Select 34
Table 564, “NCE Encoding Table,” on page 382
Output
2 UA1RTS UART1 Request To Send (RTS) Output
3 GPIO34 General Purpose I/O
Input/
Output
4 CMPRF2 Voltage Comparator Reference 2 Input
5 UA0RTS UART0 Request To Send (RTS) Output
6 UART0RX UART0 Receive Input
7 PDMDATA PDM Data Input
D6 - 35
0 ADCSE7 Analog to Digital Converter Single-Ended Input 7 Input
1 NCE35
IO Master N Chip Select 35
Table 564, “NCE Encoding Table,” on page 382
Output
2 UART1TX UART1 Transmit Output
3 GPIO35 General Purpose I/O
Input/
Output
4 I2SDAT I2S Data Output
5CT27
Timer/Counter Interface Signal 27
See “Implementing Counter/Timer Connections” on
page 397.
Output
6 UA0RTS UART0 Request To Send (RTS) Output
7
BLEIF_STA-
TUS
BLE Interface STATUS Observation Output
H6 - 36
0 TRIG1 ADC Trigger Input 1 Input
1 NCE36
IO Master N Chip Select 36
Table 564, “NCE Encoding Table,” on page 382
Output
2 UART1RX UART1 Receive Input
3 GPIO36 General Purpose I/O
Input/
Output
4 32kHzXT 32kHz Clock Output Output
5 UA1CTS UART1 Clear To Send (CTS) Input
6 UA0CTS UART0 Clear To Send (CTS) Input
7 PDMDATA PDM Data Input
H7 - 37
0 TRIG2 ADC Trigger Input 2 Input
1 NCE37
IO Master N Chip Select 37
Table 564, “NCE Encoding Table,” on page 382
Output
2 UA0RTS UART0 Request To Send (RTS) Output
3 GPIO37 General Purpose I/O
Input/
Output
4 SCCIO Secure Card Controller I/O
Input/
Output
5 UART1TX UART1 Transmit Output
6 PDMCLK PDM Output Clock Output
7CT29
Timer/Counter Interface Signal 29
See “Implementing Counter/Timer Connections” on
page 397.
Output
Table 1: Pin List and Function Table
BGA
Pin
Number
CSP Pin
Number
GPIO Pad
Number
Function
Select
Number
Pad Function
Name
Description Pin Type