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add peripheral connection

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King Kévin 2017-04-01 17:17:29 +02:00
parent acbb6d0deb
commit 50fd6ce7c8
1 changed files with 8 additions and 8 deletions
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README.md
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@ -49,19 +49,19 @@ connections
Connect the peripherals the following way (peripheral signal; peripheral signal; micro-controller pin; micro-controller signal; comment):
- DS1307 RTC
- DS1307 RTC to get the date
- VCC; 8; ; +5V;
- GND; 4; ; GND;
- SCL; 6; PB10; I2C2_SCL; to get the date
- SDA; 5; PB11; I2C2_SDA; to get the date
- SCL; 6; PB10; I2C2_SCL;
- SDA; 5; PB11; I2C2_SDA;
- SQW; 7; ;; to synchronize the seconds
- 2x MAX7219 in chain
- 2x MAX7219 in chain to show date and time
- VCC; 19; ; +5V;
- GND; 4; ; GND;
- CLK; 13; ; ;
- DIN; 1; ; ;
- LOAD; 12; ; ;
- 7x TM1627 with multiplexed clock line
- CLK; 13; PB13; SPI2_CLK;
- DIN; 1; PB15; SPI2_MOSI;
- LOAD; 12; PB12; SPI2_NSS; used as GPIO
- 7x TM1627 (with multiplexed clock line) to show the recording numbers
- VDD; 16; ; +5V;
- GND; 1; ; GND;
- CLK; 18; PB6; GPIO