参数资料
型号: PCA9698DGG,512
厂商: NXP Semiconductors
文件页数: 17/48页
文件大小: 0K
描述: IC I/O EXPANDER I2C 40B 56TSSOP
产品培训模块: I²C Bus Fundamentals
特色产品: NXP - I2C Interface
标准包装: 35
接口: I²C
输入/输出数: 40
中断输出:
频率 - 时钟: 1MHz
电源电压: 2.3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 56-TFSOP(0.240",6.10mm 宽)
供应商设备封装: 56-TSSOP
包装: 管件
包括: POR
产品目录页面: 826 (CN2011-ZH PDF)
其它名称: 568-3241-5
935278614512
PCA9698DGG
24
7810C–AVR–10/12
Atmel ATmega328P [Preliminary]
The next code examples show assembly and C functions for reading the EEPROM. The exam-
ples assume that interrupts are controlled so that no interrupts will occur during execution of
these functions.
7.6.4
GPIOR2 – General Purpose I/O Register 2
7.6.5
GPIOR1 – General Purpose I/O Register 1
7.6.6
GPIOR0 – General Purpose I/O Register 0
Assembly Code Example
EEPROM_read:
; Wait for completion of previous write
sbic
EECR,EEPE
rjmp
EEPROM_read
; Set up address (r18:r17) in address register
out
EEARH, r18
out
EEARL, r17
; Start eeprom read by writing EERE
sbi
EECR,EERE
; Read data from Data Register
in
r16,EEDR
ret
C Code Example
unsigned char
EEPROM_read(unsigned int uiAddress)
{
/* Wait for completion of previous write */
while(EECR & (1<<EEPE))
;
/* Set up address register */
EEAR = uiAddress;
/* Start eeprom read by writing EERE */
EECR |= (1<<EERE);
/* Return data from Data Register */
return EEDR;
}
Bit
7
65
43
21
0
MSB
LSB
GPIOR2
Read/Write
R/W
Initial Value
0
Bit
7
65
43
21
0
MSB
LSB
GPIOR1
Read/Write
R/W
Initial Value
0
Bit
7
65
43
21
0
MSB
LSB
GPIOR0
Read/Write
R/W
Initial Value
0
相关PDF资料
PDF描述
PCA9506DGG,512 IC I/O EXPANDER I2C 40B 56TSSOP
PCA9505DGG,112 IC I/O EXPANDER I2C 40B 56TSSOP
ATTINY13-20MUR IC MCU AVR 1K FLASH 10MHZ 20MLF
5-530520-1 CONT.HIGH CURRENT L.P.
5-583875-6 TWIN LEAF CONTACT
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