Gpio X Configuration Low Register - Gpxcfglr, X = A, B, C, D - Holtek HT32F12345 User Manual

32-Bit Arm ® Cortex ® -M3 MCU
HT32F12345
GPIO x Configuration Low Register – GPxCFGLR, x = A, B, C, D
This low register specifies the alternate function of GPIO Port x. x = A, B, C, D
Offset: 0x020, 0x028, 0x030, 0x038
Reset value: 0x0000_0000
31
Type/Reset RW 0 RW
23
Type/Reset RW 0 RW
15
Type/Reset RW 0 RW
7
Type/Reset RW 0 RW
Bits Field
[31:0] PxCFGn[3:0] Alternate function selection for port x pin n (n = 0 ~ 7)
Rev. 1.10
30 29 28
PxCFG7
0 RW 0 RW
22 21 20
PxCFG5
0 RW 0 RW
14 13 12
PxCFG3
0 RW 0 RW
6 5
PxCFG1
0 RW 0 RW
Descriptions
0000: Port x pin n is selected as AF0
0001: Port x pin n is selected as AF1
:
1110: Port x pin n is selected as AF14
1111: Port x pin n is selected as AF15
Refer to the "Alternate function mapping" table in the device datasheet for the
detailed mapping of the alternate function I/O pins.
164 of 590
27 26
PxCFG6
0 RW 0 RW
19 18
PxCFG4
0 RW 0 RW
11 10
PxCFG2
0 RW 0 RW
4 3 2
PxCFG0
0 RW 0 RW
25 24
0 RW 0 RW 0
17 16
0 RW 0 RW 0
9 8
0 RW 0 RW 0
1 0
0 RW 0 RW 0
November 28, 2018