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AT32F421 GPIO
ARTERY AT32F421 GPIO Manuals
Manuals and User Guides for ARTERY AT32F421 GPIO. We have
1
ARTERY AT32F421 GPIO manual available for free PDF download: User Manual
ARTERY AT32F421 GPIO User Manual (18 pages)
Brand:
ARTERY
| Category:
Microcontrollers
| Size: 0 MB
Table of Contents
Table of Contents
2
GPIO Features
5
Gpio
6
Table 1. I/O Port Bit Configuration Table
7
GPIO Toggle
8
5V-Tolerant or 3V-Tolerant IO
8
Standard 3.3V-Tolerant Pins (TC)
8
Tolerant Pin with Analog Function (Fta)
8
Table 2. TC Pin Example
8
Tolerant Pin (FT)
9
Table 3. Fta Pin Example
9
Table 4. FT Pin Example
9
Afio
10
I/O Alternate Function Input/Output
10
Table 5. Configure Port a Alternate Function by GPIOA_AFR Register
10
Special I/Os
11
Debug Alternate Function Pin
11
Table 6. Configure Port B Alternate Function by GPIOB_AFR Register
11
Table 7. Configure Port F Alternate Function by GPIOF_AFR Register
11
Oscillator Alternate Function Pin
12
Backup Domain Pin
12
GPIO Firmware Driver API
13
Output Mode
13
Input Mode
13
Analog Mode
14
Alternate Function Mode
14
USART I/O Alternate Function Mode Configuration
14
TMR I/O Alternate Function Mode Configuration
15
I2C I/O Alternate Function Mode Configuration
15
Revision History
17
Table 8. Document Revision History
17
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