C8051F340-GQR Silicon Laboratories Inc, C8051F340-GQR Datasheet - Page 204

• Manufacturer Part Number: C8051F340-GQR
• Description: MCU 8-Bit C8051F34x 8051 CISC 64KB Flash 3.3V/5V 48-Pin TQFP T/R
• Manufacturer: Silicon Laboratories Inc

Specifications of C8051F340-GQR

• Package: 48TQFP
• Device Core: 8051
• Family Name: C8051F34x
• Maximum Speed: 48 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 40
• Interface Type: I2C/SMBus/SPI/UART/USB
• On-chip Adc: 17-chx10-bit
• Number Of Timers: 4
• Ram Size: 4.25 KB
• Program Memory Size: 64 KB
• Program Memory Type: Flash
• Operating Temperature: -40 to 85 °C

C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
204
0100
0101
0010
0010
0001
0000
Values Read
0
0
0
0
1
1
0
1
0
0
1
1
X
0
0
1
0
1
1
1
0
1
0
1
Table 17.4. SMBus Status Decoding (Continued)
X
X
X
X
X
X
X
X
X
X
0
1
A slave byte was transmitted;
NACK received.
A slave byte was transmitted;
ACK received.
A Slave byte was transmitted;
error detected.
An illegal STOP or bus error was
detected while a Slave Transmis-
sion was in progress.
A slave address was received;
ACK requested.
Lost arbitration as master; slave
address received; ACK
requested.
Lost arbitration while attempting a
repeated START.
Lost arbitration while attempting a
STOP.
A STOP was detected while
addressed as a Slave Transmitter
or Slave Receiver.
Lost arbitration due to a detected
STOP.
A slave byte was received; ACK
requested.
Lost arbitration while transmitting
a data byte as master.
Current SMbus State
Rev. 1.3
No action required (expect-
ing STOP condition).
Load SMB0DAT with next
data byte to transmit.
No action required (expect-
ing Master to end transfer).
Clear STO.
Acknowledge received
address.
Do not acknowledge
received address.
Acknowledge received
address.
Do not acknowledge
received address.
Reschedule failed transfer;
do not acknowledge received
address.
Abort failed transfer.
Reschedule failed transfer.
No action required (transfer
complete/aborted).
Clear STO.
Abort transfer.
Reschedule failed transfer.
Acknowledge received byte;
Read SMB0DAT.
Do not acknowledge
received byte.
Abort failed transfer.
Reschedule failed transfer.
Typical Response Options
0
0
0
0
0
0
0
0
1
0
1
0
0
0
1
0
0
0
1
Written
Values
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
X
X
X
X
X
X
X
X
X
1
0
1
0
0
0
1
0
0
0