User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 383 of 909 2019 Ambiq Micro, Inc.
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1 0 SLSDAWIR3
Bidirectional Open Drain
Bidirectional Tri-state
1 5 MSPI5 Bidirectional Tri-state
2 5 MSPI6 Bidirectional Tri-state
3 5 MSPI7 Bidirectional Tri-state
4 7 MSPI2 Bidirectional Tri-state
5 0 M0SCL Open Drain
60M0SDAWIR3
Bidirectional Open Drain
Bidirectional Tri-state
8 0 M1SCL Open Drain
90M1SDAWIR3
Bidirectional Open Drain
Bidirectional Tri-state
9 4 SCCIO Bidirectional Tri-state
15 6 SWDIO Bidirectional Tri-state
18 7 SCCIO Bidirectional Tri-state
21 0 SWDIO Bidirectional Tri-state
22 6 MSPI0 Bidirectional Tri-state
23 6 MSPI3 Bidirectional Tri-state
25 4 M2SDAWIR3
Bidirectional Open Drain
Bidirectional Tri-state
26 5 MSPI1 Bidirectional Tri-state
27 4 M2SCL Open Drain
32 4 SCCIO Bidirectional Tri-state
37 4 SCCIO Bidirectional Tri-state
39 4 M4SCL Open Drain
40 4 M4SDAWIR3
Bidirectional Open Drain
Bidirectional Tri-state
42 4 M3SCL Open Drain
43 4 M3SDAWIR3
Bidirectional Open Drain
Bidirectional Tri-state
48 4 M5SCL Open Drain
49 4 M5SDAWIR3
Bidirectional Open Drain
Bidirectional Tri-state
Table 563: I
2
C Pullup Resistor Selection
RSEL[1:0] Pullup Resistor
00 1.5 kΩ
01 6 kΩ
10 12 kΩ
11 24 kΩ
Table 562: Special Pad Types
Pad PADnFNCSEL Name Pad Type