STM32系列 的IIC通信例程STM32系列 的IIC通信例程.pdf
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STM32F103RC
关于STM32F103RC芯片对
SSTTMM3322FF110033RRCC
EEPROM AT24C64 IIC
EEPROM AT24C64 IIC
芯片 的 通信
EEEEPPRROOMM AATT2244CC6644 IIIICC
文档说明:本文档仅提供最基础的操作函数,包含四个函数分别为:
void I2C_EEPROM_WriteByte(unsigned shortWordAddress) EEPROM
void I2C_EEPROM_WriteByte(unsigned shortWordAddress) EEPROM
(1)vvooiiddII22CC__EEEEPPRROOMM__WWrriitteeBByyttee((uunnssiiggnneeddsshhoorrttWWoorrddAAddddrreessss)),此函数是对EEEEPPRROOMM
进行一次随机地址写一个字节数据操作。
void I2C_EEPROM_WritePage(unsigned short WordAddress, unsigned char *data,
void I2C_EEPROM_WritePage(unsigned short WordAddress, unsigned char *data,
(2)vvooiidd II22CC__EEEEPPRROOMM__WWrriitteePPaaggee((uunnssiiggnneedd sshhoorrtt WWoorrddAAddddrreessss,, uunnssiiggnneedd cchhaarr **ddaattaa,,
unsignedint length) EEPROM N
unsignedint length) EEPROM N
uunnssiiggnneeddiinnttlleennggtthh)),此函数是对EEEEPPRROOMM进行指定起始地址连续写NN个数据。
unsigned char I2C_EEPROM_ReadByte(unsigned short WordAddress)
unsigned char I2C_EEPROM_ReadByte(unsigned short WordAddress)
(3)uunnssiiggnneedd cchhaarr II22CC__EEEEPPRROOMM__RReeaaddBByyttee((uunnssiiggnneedd sshhoorrtt WWoorrddAAddddrreessss)),此函数是对
EEPROM
EEPROM
EEEEPPRROOMM进行随机地址读取一个字节数据。
void I2C_EEPROM_SeqReadByte(unsigned short WordAddress, unsigned char*
void I2C_EEPROM_SeqReadByte(unsigned short WordAddress, unsigned char*
(4)vvooiidd II22CC__EEEEPPRROOMM__SSeeqqRReeaaddBByyttee((uunnssiiggnneedd sshhoorrtt WWoorrddAAddddrreessss,, uunnssiiggnneedd cchhaarr**
array,unsigned int number) N
array,unsigned int number) N
aarrrraayy,,uunnssiiggnneeddiinntt
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