User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 55 of 909 2019 Ambiq Micro, Inc.
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C7 C3 15
0 ADCD1N Analog to Digital Converter Differential N Input 1 Input
1 NCE15
IO Master N Chip Select 15
Table 564, “NCE Encoding Table,” on page 382
Output
2 UART1RX UART1 Receive Input
3 GPIO15 General Purpose I/O
Input/
Output
4 PDMDATA PDM Data Input
5RSVReserved
6 SWDIO Serial Wire Debug I/O
Bidirec-
tional 3-
state
7 SWO Serial Wire Debug Output Output
D4 A5 16
0 ADCSE0 Analog to Digital Converter Single-Ended Input 0 Input
1 NCE16
IO Master N Chip Select 16
Table 564, “NCE Encoding Table,” on page 382
Output
2 TRIG0 ADC Trigger Input 0 Input
3 GPIO16 General Purpose I/O
Input/
Output
4 SCCRST Secure Card Controller Reset Output
5 CMPIN0 Voltage Comparator Input 0 Input
6 UART0TX UART0 Transmit Output
7 UA1RTS UART1 Request To Send (RTS) Output
D3 D4 17
0 CMPRF1 Voltage Comparator Reference 1 Input
1 NCE17
IO Master N Chip Select 17
Table 564, “NCE Encoding Table,” on page 382
Output
2 TRIG3 ADC Trigger Input 3 Input
3 GPIO17 General Purpose I/O
Input/
Output
4 SCCCLK Secure Card Controller Clock Output
5RSVReserved
6 UART0RX UART0 Receive Input
7 UA1CTS UART1 Clear To Send (CTS) Input
C5 E5 18
0 CMPIN1 Voltage Comparator Input 1 Input
1 NCE18
IO Master N Chip Select 18
Table 564, “NCE Encoding Table,” on page 382
Output
2CT4
Timer/Counter Interface Signal 4
See “Implementing Counter/Timer Connections” on
page 394.
Output
3 GPIO18 General Purpose I/O
Input/
Output
4 UA0RTS UART0 Request To Send Output
5RSVReserved
6 UART1TX UART1 Transmit Output
7 SCCIO Secure Card Controller I/O
Input/
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