参数资料
型号: ST72F652AR4T1
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 12 MHz, MICROCONTROLLER, PQFP64
封装: 10 X 10 MM, TQFP-64
文件页数: 11/160页
文件大小: 979K
代理商: ST72F652AR4T1
ST7265x
108/160
I C SINGLE MASTER BUS INTERFACE (Cont’d)
Figure 66. Transfer Sequencing
Legend:
S=Start, P=Stop, A=Acknowledge, NA=Non-acknowledge
EVx=Event (with interrupt if ITE=1)
EV1: EVF=1, SB=1, cleared by reading SR1 register followed by writing DR register.
EV2: EVF=1, cleared by reading SR1 register followed by writing CR register (for example PE=1).
EV3: EVF=1, BTF=1, cleared by reading SR1 register followed by reading DR register.
EV4: EVF=1, BTF=1, cleared by reading SR1 register followed by writing DR register.
Figure 67. Event Flags and Interrupt Generation
Master receiver:
Master transmitter:
S
Address
A
Data1
A
Data2
A
.... .
DataN
NA
P
EV1
EV2
EV3
S
Address
A
Data1
A
Data2
A
.... .
DataN
A
P
EV1
EV2 EV4
EV4
BTF
SB
AF
EVF
INTERRUPT
ITE
*
* EVF can also be set by EV2 or an error from the SR2 register.
*
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