C8051T630DK Silicon Laboratories Inc, C8051T630DK Datasheet - Page 146

• Manufacturer Part Number: C8051T630DK
• Description: KIT DEV FOR C8051T630 FAMILY
• Manufacturer: Silicon Laboratories Inc
• Type: MCUr

Specifications of C8051T630DK

• Contents: Board, daughter boards, power adapter, cables, documentation and software
• Processor To Be Evaluated: C8051T63x
• Interface Type: USB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: C8051T630, T631, T632, T633, T634 and T635 MCUs
• For Use With: 336-1465 - BOARD SOCKET DAUGHTER 20-QFN
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1464

C8051T630/1/2/3/4/5
146
Table 21.6. SMBus Status Decoding With Hardware ACK Generation Enabled
1100
1000
1110
Values Read
0
0
0
0
0
0 X
0
0
0
0
0
1
1
0
A master START was gener-
ated.
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 sent.
A master data byte was
received; NACK sent (last
byte).
Current SMbus State
(EHACK = 1)
Rev. 1.0
Load slave address + R/W into
SMB0DAT.
Set STA to restart transfer.
Abort transfer.
Load next data byte into
SMB0DAT.
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). Set ACK for initial
data byte.
Set ACK for next data byte;
Read SMB0DAT.
Set NACK to indicate next data
byte as the last data byte;
Read SMB0DAT.
Initiate repeated START.
Switch to Master Transmitter
Mode (write to SMB0DAT before
clearing SI).
Read SMB0DAT; send STOP.
Read SMB0DAT; Send STOP
followed by START.
Initiate repeated START.
Switch to Master Transmitter
Mode (write to SMB0DAT before
clearing SI).
Typical Response Options
Values to
0
1
0
0
0
1
1
0
0
0
1
0
0
1
1
0
Write
0 X 1100
0 X
1 X
0 X 1100
1 X
1 X
0 X
0 1
0 1
0 0
0 0
0 X 1100
1 0
1 0
0 0
0 X 1100
1000
1000
1000
1110
1110
1110
1110
1110
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