User Manual

Apollo3 Blue Datasheet
DS-A3-0p9p1 Page 398 of 909 2019 Ambiq Micro, Inc.
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pad is used as an input, the PADnINPEN bit should be set, otherwise it should be cleared. The PADnPULL
bit may be set if the input signal is open drain.
Table 589: Counter/Timer Pad Configuration
Pad (FNCSEL)
ctimer
output
signal
Output Selection (REG_CTIMER_INCFG)
0 1 2 3 4 5 6 7
PAD4 (6) CT17
Force
to 0
Force
to 1
A4OUT2 B7OUT A4OUT A1OUT2 A6OUT2 A7OUT2
PAD5 (7) CT8
Force
to 0
Force
to 1
A2OUT A3OUT2 A4OUT2 B6OUT A6OUT2 A7OUT2
PAD6 (5) CT10
Force
to 0
Force
to 1
B2OUT B3OUT2 B4OUT2 A6OUT A6OUT2 A7OUT2
PAD7 (7) CT19
Force
to 0
Force
to 1
B4OUT2 A2OUT B4OUT B1OUT2 A6OUT2 A7OUT2
PAD11 (2) CT31
Force
to 0
Force
to 1
B7OUT2 A6OUT B7OUT B3OUT2 A6OUT2 A7OUT2
PAD12 (2) CT0
Force
to 0
Force
to 1
A0OUT B2OUT2 A5OUT2 A6OUT A6OUT2 A7OUT2
PAD13 (2) CT2
Force
to 0
Force
to 1
B0OUT B1OUT2 B6OUT2 A7OUT A6OUT2 A7OUT2
PAD18 (2) CT4
Force
to 0
Force
to 1
A1OUT A2OUT2 A5OUT2 B5OUT A6OUT2 A7OUT2
PAD19 (2) CT6
Force
to 0
Force
to 1
B1OUT A1OUT B5OUT2 B7OUT A6OUT2 A7OUT2
PAD22 (2) CT12
Force
to 0
Force
to 1
A3OUT B1OUT B0OUT2 B6OUT2 A6OUT2 A7OUT2
PAD23 (2) CT14
Force
to 0
Force
to 1
B3OUT B1OUT B7OUT2 A7OUT A6OUT2 A7OUT2
PAD24 (5) CT21
Force
to 0
Force
to 1
A5OUT2 A1OUT B5OUT A0OUT2 A6OUT2 A7OUT2
PAD25 (2) CT1
Force
to 0
Force
to 1
A0OUT2 A0OUT A5OUT B7OUT2 A6OUT2 A7OUT2
PAD26 (2) CT3
Force
to 0
Force
to 1
B0OUT2 B0OUT A1OUT A6OUT A6OUT2 A7OUT2
PAD27 (2) CT5
Force
to 0
Force
to 1
A1OUT2 A1OUT B6OUT A7OUT A6OUT2 A7OUT2
PAD28 (2) CT7
Force
to 0
Force
to 1
B1OUT2 B1OUT B5OUT A7OUT A6OUT2 A7OUT2
PAD29 (2) CT9
Force
to 0
Force
to 1
A2OUT2 A2OUT A4OUT B0OUT A6OUT2 A7OUT2
PAD30 (2) CT11
Force
to 0
Force
to 1
B2OUT2 B2OUT B4OUT B5OUT2 A6OUT2 A7OUT2
PAD31 (2) CT13
Force
to 0
Force
to 1
A3OUT2 A3OUT A6OUT B4OUT2 A6OUT2 A7OUT2
PAD32 (2) CT15
Force
to 0
Force
to 1
B3OUT2 B3OUT A7OUT A4OUT2 A6OUT2 A7OUT2
PAD33 (6) CT23
Force
to 0
Force
to 1
B5OUT2 A7OUT A5OUT B0OUT2 A6OUT2 A7OUT2