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STM32G47PBY3XXX Datasheet(PDF) 165 Page - STMicroelectronics

Part # STM32G47PBY3XXX
Description  Arm® Cortex®-M4 32-bit MCUFPU, up to 512 KB Flash, 170 MHz / 213DMIPS, 128 KB SRAM, rich analog, math accelerator
PDF  229 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32G47PBY3XXX Datasheet(HTML) 165 Page - STMicroelectronics

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STM32G473xB STM32G473xC STM32G473xE
Electrical characteristics
194
5.3.26
Communication interfaces characteristics
I2C interface characteristics
The I2C interface meets the timings requirements of the I2C-bus specification and user
manual rev. 03 for:
•
Standard-mode (Sm): with a bit rate up to 100 kbit/s
•
Fast-mode (Fm): with a bit rate up to 400 kbit/s
•
Fast-mode Plus (Fm+): with a bit rate up to 1 Mbit/s.
The I2C timings requirements are guaranteed by design when the I2C peripheral is properly
configured (refer to reference manual RM0440 "STM32G4 Series advanced Arm®-based
32-bit MCUs") and when the I2CCLK frequency is greater than the minimum shown in the
table below.
Table 80. IWDG min/max timeout period at 32 kHz (LSI)(1)(2)
1. Guaranteed by design.
2. The exact timings still depend on the phasing of the APB interface clock versus the LSI clock so that there
is always a full RC period of uncertainty.
Prescaler divider
PR[2:0] bits
Min timeout RL[11:0]=
0x000
Max timeout RL[11:0]=
0xFFF
Unit
/4
0
0.125
512
ms
/8
1
0.250
1024
/16
2
0.500
2048
/32
3
1.0
4096
/64
4
2.0
8192
/128
5
4.0
16384
/256
6 or 7
8.0
32768
Table 81. WWDG min/max timeout value at 170 MHz (PCLK)(1)
1. Guaranteed by design.
Prescaler
WDGTB
Min timeout value
Max timeout value
Unit
1
0
0.0241
1.542
ms
2
1
0.0482
3.084
4
2
0.0964
6.168
8
3
0.1928
12.336



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