参数资料
型号: ST72652AR4T1/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, MICROCONTROLLER, PQFP64
封装: 10 X 10 MM, ROHS COMPLIANT, TQFP-64
文件页数: 53/161页
文件大小: 2656K
代理商: ST72652AR4T1/XXX
ST72651AR6
146/161
Doc ID 7215 Rev 4
COMMUNICATION INTERFACE CHARACTERISTICS (Cont’d)
13.11.3 I2C - Inter IC Control Interface
1) The device must internally provide a hold time of at least 300 ns for the SDA signal in order to bridge
the undefined region of the falling edge of SCL
2) The maximum hold time of the START condition has only to be met if the interface does not stretch the
low period of SCL signal
Cb = total capacitance of one bus line in pF
I
2C-Bus Timings
Parameter
Standard I
2C
Fast I
2C
Symbol
Unit
Min
Max
Min
Max
Bus free time between a STOP and START con-
dition
4.7
1.3
TBUF
ms
Hold time START condition. After this period,
the first clock pulse is generated
4.0
0.6
THD:STA
μs
LOW period of the SCL clock
4.7
1.3
TLOW
μs
HIGH period of the SCL clock
4.0
0.6
THIGH
μs
Set-up time for a repeated START condition
4.7
0.6
TSU:STA
μs
Data hold time
0 (1)
0.9(2)
THD:DAT
ns
Data set-up time
250
100
TSU:DAT
ns
Rise time of both SDA and SCL signals
1000
20+0.1Cb
300
TR
ns
Fall time of both SDA and SCL signals
300
20+0.1Cb
300
TF
ns
Set-up time for STOP condition
4.0
0.6
TSU:STO
ns
Capacitive load for each bus line
400
Cb
pF
相关PDF资料
PDF描述
ST72651AR6T1E/XXX 8-BIT, MROM, MICROCONTROLLER, PQFP64
ST72652C4T1/XXX 8-BIT, MROM, MICROCONTROLLER, PQFP48
ST7267R8T1L/XXX 16-BIT, MROM, 30 MHz, RISC MICROCONTROLLER, PQFP64
ST7267C8T1/XXX 16-BIT, MROM, 30 MHz, RISC MICROCONTROLLER, PQFP48
ST72774S9T1/XXX 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP44
相关代理商/技术参数
参数描述
ST7265X-EVAL/MS 制造商:STMicroelectronics 功能描述:ST6 EVAL BD - Bulk
ST7265X-EVAL/PFD 制造商:STMicroelectronics 功能描述:USB FLASH EVAL - Bulk
ST7266 制造商:6940 功能描述:ST7266
ST7267C8T1L 制造商:STMicroelectronics 功能描述:
ST72681/R12 制造商:STMicroelectronics 功能描述:CONTROLLER FOR HIGH-PERFORMANCE BUS-POWERED USB 2.0 FLASH DR - Trays