GD32F450xx数据手册英文_gd32f450手册资源-CSDN文库

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GigaDevice Semiconductor Inc.

GD32F450xx

Arm

Cortex

-M4 32-bit MCU

Datasheet

    GD32F450xx Datasheet 

 
Table of Contents 
Table of Contents................................................................................................................. 1 
List of Figures ...................................................................................................................... 4 
List of Tables ........................................................................................................................ 5 
 General description ...................................................................................................... 7 
 Device overview ............................................................................................................ 8 
1.  Device information................................................................................................. 8 
2.  Block diagram ...................................................................................................... 10 
3.  Pinouts and pin assignment ................................................................................ 11 
4.  Memory map ........................................................................................................ 13 
5.  Clock tree ............................................................................................................. 17 
6.  Pin definitions ...................................................................................................... 18 
6.1.  GD32F450Ix BGA176 pin definitions .........................................................................18 
6.2.  GD32F450Zx LQFP144 pin definitions ......................................................................28 
6.3.  GD32F450Vx LQFP100 pin definitions ......................................................................37 
6.4.  GD32F450xx pin alternate functions..........................................................................45 
 Functional description ............................................................................................... 55 
1.  Arm
®
 Cortex
®
-M4 core.......................................................................................... 55 
2.  On-chip memory .................................................................................................. 55 
3.  Clock, reset and supply management ................................................................. 56 
4.  Boot modes .......................................................................................................... 56 
5.  Power saving modes ........................................................................................... 57 
6.  Analog to digital converter (ADC) ....................................................................... 57 
7.  Digital to analog converter (DAC)........................................................................ 58 
8.  DMA ...................................................................................................................... 58 
9.  General-purpose inputs/outputs (GPIOs)............................................................ 59 
10.  Timers and PWM generation ............................................................................... 59 
11.  Real time clock (RTC) and backup registers ....................................................... 60 
12.  Inter-integrated circuit (I2C)................................................................................. 61 
13.  Serial peripheral interface (SPI)........................................................................... 61 
14.  Universal synchronous/asynchronous receiver transmitter (USART/UART)..... 61 

    GD32F450xx Datasheet 

 
15.  Inter-IC sound (I2S) .............................................................................................. 62 
16.  Universal serial bus full-speed interface (USBFS) .............................................. 62 
17.  Universal serial bus high-speed interface (USBHS) ........................................... 62 
18.  Controller area network (CAN) ............................................................................ 63 
19.  Ethernet (ENET) ................................................................................................... 63 
20.  External memory controller (EXMC).................................................................... 63 
21.  Secure digital input and output card interface (SDIO) ........................................ 64 
22.  TFT LCD interface (TLI)........................................................................................ 64 
23.  Image processing accelerator (IPA) .................................................................... 64 
24.  Digital camera interface (DCI).............................................................................. 65 
25.  Debug mode ......................................................................................................... 65 
26.  Package and operation temperature ................................................................... 65 
 Electrical characteristics ........................................................................................... 66 
1.  Absolute maximum ratings.................................................................................. 66 
2.  Recommended DC characteristics ...................................................................... 66 
3.  Power consumption ............................................................................................. 68 
4.  EMC characteristics ............................................................................................. 76 
5.  Power supply supervisor characteristics............................................................ 77 
6.  Electrical sensitivity............................................................................................. 78 
7.  External clock characteristics ............................................................................. 78 
8.  Internal clock characteristics .............................................................................. 81 
9.  PLL characteristics .............................................................................................. 82 
10.  Memory characteristics ....................................................................................... 84 
11.  NRST pin characteristics ..................................................................................... 84 
12.  GPIO characteristics ............................................................................................ 85 
13.  ADC characteristics ............................................................................................. 87 
14.  Temperature sensor characteristics ................................................................... 89 
15.  DAC characteristics ............................................................................................. 89 
16.  I2C characteristics ............................................................................................... 90 
17.  SPI characteristics ............................................................................................... 91 
18.  I2S characteristics ............................................................................................... 93 
19.  USART characteristics......................................................................................... 95 

    GD32F450xx Datasheet 
4 
 
List of Figures 
Figure 2-1. GD32F450xx block diagram......................................................................................10 
Figure 2-2. GD32F450Ix BGA176 pinouts ................................................................................... 11 
Figure 2-3. GD32F450Zx LQFP144 pinouts .................................................................................12 
Figure 2-4. GD32F450Vx LQFP100 pinouts .................................................................................13 
Figure 2-5. GD32F450xx clock tree ............................................................................................17 
Figure 4-1. Recommended power supply decoupling capacitors
(1) (2)
 ...........................................67 
Figure 4-2. Typical supply current consumption in Run mode .....................................................74 
Figure 4-3. Typical supply current consumption in Sleep mode...................................................74 
Figure 4-4. Recommended external NRST pin circuit ..................................................................85 
Figure 4-5. I/O port AC characteristics definition ........................................................................86 
Figure 4-6. I2C bus timing diagram ............................................................................................91 
Figure 4-7. SPI timing diagram - master mode ............................................................................92 
Figure 4-8. SPI timing diagram - slave mode ..............................................................................92 
Figure 4-9. I2S timing diagram - master mode ............................................................................94 
Figure 4-10. I2S timing diagram - slave mode .............................................................................94 
Figure 4-11. USBFS timings: definition of data signal rise and fall time........................................96 
Figure 5-1. BGA176 package outline ........................................................................................ 103 
Figure 5-2. LQFP144 package outline ...................................................................................... 104 
Figure 5-3. LQFP100 package outline ...................................................................................... 106 
   