c8051t602 Silicon Laboratories, c8051t602 Datasheet - Page 121

• Manufacturer Part Number: c8051t602
• Description: Mixed Signal Otp Eprom Mcu Family
• Manufacturer: Silicon Laboratories

1000
0100
0101
1110
1100
Values Read
0
0
0
1
0
0
0
0
0
0
0
0
0
0
1
X
X
X
X
X
0
1
0
1
A master START was gen-
erated.
A master data or address
byte was transmitted; NACK
received.
A master data or address
byte was transmitted; ACK
received.
A master data byte was
received; ACK requested.
A slave byte was transmit-
ted; NACK received.
A slave byte was transmit-
ted; ACK received.
A Slave byte was transmit-
ted; error detected.
A STOP was detected while
an addressed Slave Trans-
mitter.
Current SMbus State
Table 14.4. SMBus Status Decoding
Rev. 0.5
Load slave address + R/W into
SMB0DAT.
Set STA to restart transfer.
Abort transfer.
Load next data byte into SMB0DAT 0
End transfer with STOP
End transfer with STOP and start
another transfer.
Send repeated START
Switch to Master Receiver Mode
(clear SI without writing new data
to SMB0DAT).
Acknowledge received byte; Read
SMB0DAT.
Send NACK to indicate last byte,
and send STOP.
Send NACK to indicate last byte,
and send STOP followed by
START.
Send ACK followed by repeated
START.
Send NACK to indicate last byte,
and send repeated START.
Send ACK and switch to Master
Transmitter Mode (write to
SMB0DAT before clearing SI).
Send NACK and switch to Mas-
ter Transmitter Mode (write to
SMB0DAT before clearing SI).
No action required (expecting
STOP condition).
Load SMB0DAT with next data
byte to transmit.
No action required (expecting Mas-
ter to end transfer).
No action required (transfer com-
plete).
Typical Response Options
C8051T600/1/2/3/4/5
0
1
0
0
1
1
0
0
0
1
1
1
0
0
0
0
0
0
Written
Values
0
0
1
0
1
1
0
0
0
1
1
0
0
0
0
0
0
0
0
121
X
X
X
X
X
X
X
X
X
X
X
X
1
0
0
1
0
1
0