C8051T622-GMR Silicon Labs, C8051T622-GMR Datasheet - Page 168
C8051T622-GMR
Manufacturer Part Number
C8051T622-GMR
Description
8-bit Microcontrollers - MCU USB-OTP-16K-QFN24
Manufacturer
Silicon Labs
Datasheet
1.C8051T622-GMR.pdf
(254 pages)
Specifications of C8051T622-GMR
Rohs
yes
Core
8051
Data Bus Width
8 bit
Processor Series
C8051
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051T622-GMR
Manufacturer:
SILICON
Quantity:
5 000
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C8051T622/3 and C8051T326/7
Table 19.5. SMBus Status Decoding With Hardware ACK Generation Disabled (EHACK = 0)
168
Table 19.6. SMBus Status Decoding With Hardware ACK Generation Enabled (EHACK = 1)
0010 0
0001 0
0000 1
1100
1110
Values Read
Values Read
0
0
0
1 X
1 X
1 X
0 X
0
0
0
1
Lost arbitration while attempt-
ing a repeated START.
Lost arbitration due to a
detected STOP.
Lost arbitration while transmit-
ting a data byte as master.
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.
Current SMbus State
Current SMbus State
(Continued)
Rev. 1.1
Abort failed transfer.
Reschedule failed transfer.
Abort failed transfer.
Reschedule failed transfer.
Abort failed transfer.
Reschedule failed transfer.
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.
Typical Response Options
Typical Response Options
Values to
Values to
0
1
0
1
0
1
0
1
0
0
0
1
1
0
Write
Write
0 X
0 X
0 X
0 X
0 0
0 0
0 X 1100
0 X
1 X
0 X 1100
1 X
1 X
0 X
0 1
1000
1110
1110
1110
1110
1110
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