ST7263-EMU2 STMicroelectronics, ST7263-EMU2 Datasheet - Page 77
ST7263-EMU2
Manufacturer Part Number
ST7263-EMU2
Description
MCU, MPU & DSP Development Tools ST7 Emulator Board
Manufacturer
STMicroelectronics
Datasheet
1.ST7263-EMU2.pdf
(109 pages)
Specifications of ST7263-EMU2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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I²C BUS INTERFACE (Cont’d)
Figure 40. Transfer Sequencing
Legend:
S=Start, P=Stop, A=Acknowledge, NA=Non-acknowledge
EVx=Event (with interrupt if ITE=1)
Master Transmitter
Slave Receiver
S Address
Slave Transmitter
S Address
Master Receiver
S
S
EV1: EVF=1, ADSL=1, cleared by reading the SR1 register.
EV2: EVF=1, BTF=1, cleared by reading the SR1 register followed by reading the DR register.
EV3: EVF=1, BTF=1, cleared by reading the SR1 register followed by writing the DR register.
EV3-1: EVF=1, AF=1, BTF=1; AF is cleared by reading the SR1 register. The BTF is cleared
by releasing the lines (STOP=1, STOP=0) or by writing the DR register (DR=FFh).
Note: If lines are released by STOP=1, STOP=0, the subsequent EV4 is not seen.
EV4: EVF=1, STOPF=1, cleared by reading the SR2 register.
EV5: EVF=1, SB=1, cleared by reading the SR1 register followed by writing the DR register.
EV6: EVF=1, cleared by reading the SR1 register followed by writing the CR register
(for example PE=1).
EV7: EVF=1, BTF=1, cleared by reading the SR1 register followed by reading the DR register.
EV8: EVF=1, BTF=1, cleared by reading the SR1 register followed by writing the DR register.
EV5
EV5
Address
Address
A
A
EV1 EV3
EV1
A
A
Data1
EV6
EV6 EV8
Data1
Data1
A
Data1
EV2
A
A
EV3
Data2
EV7
A
Data2
EV8
Data2
A
Data2
EV2
A
A
EV3
EV7
.....
A
EV8
.....
DataN
.....
DataN
.....
DataN
A
DataN
EV2
NA
NA
EV3-1
P
EV7
A
EV4
EV8
ST7263
P
P
77/109
EV4
P
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