SN32F280 Series
32-Bit Cortex-M0 Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 82
Version 1.1
31:20
Reserved
R
0
19:0
BCLR[19:0]
Bit clear enable (x = 0 to 19)
0: No effect on Pn.x
1: Clear Pn.x.
W
0
5.3.12 GPIO Port n Configuration register 1 (GPIOn_CFG1) (n=0,1,3)
Address offset: 0x30
Reset value: 0x000000AA
Bit
Name
Description
Attribute
Reset
31:30
Reserved
R
0
7:6
CFG19[1:0]
Configuration of Pn.19
00: Pull-up resistor enabled.
01: Reserved
10: Inactive (no pull-down/up resistor enabled, Schmitt trigger enabled).
11: Inactive (no pull-down/up resistor enabled, Schmitt trigger disabled,
Data register keep low)
R/W
10b
5:4
CFG18[1:0]
Configuration of Pn.18
00: Pull-up resistor enabled.
01: Reserved
10: Inactive (no pull-down/up resistor enabled, Schmitt trigger enabled).
11: Inactive (no pull-down/up resistor enabled, Schmitt trigger disabled,
Data register keep low)
R/W
10b
3:2
CFG17[1:0]
Configuration of Pn.17
00: Pull-up resistor enabled.
01: Reserved
10: Inactive (no pull-down/up resistor enabled, Schmitt trigger enabled).
11: Inactive (no pull-down/up resistor enabled, Schmitt trigger disabled,
Data register keep low)
R/W
10b
1:0
CFG16[1:0]
Configuration of Pn.16
00: Pull-up resistor enabled.
01: Reserved
10: Inactive (no pull-down/up resistor enabled, Schmitt trigger enabled).
11: Inactive (no pull-down/up resistor enabled, Schmitt trigger disabled,
Data register keep low)
R/W
10b
Содержание SN32F280 Series
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