C8051F700-GQR Silicon Laboratories Inc, C8051F700-GQR Datasheet - Page 240
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C8051F700-GQR
Manufacturer Part Number
C8051F700-GQR
Description
MCU 8-Bit C8051F70x 8051 CISC 15KB Flash 1.8V/3V 64-Pin TQFP T/R
Manufacturer
Silicon Laboratories Inc
Datasheet
1.C8051F700DK.pdf
(306 pages)
Specifications of C8051F700-GQR
Package
64TQFP
Device Core
8051
Family Name
C8051F70x
Maximum Speed
25 MHz
Ram Size
512 Byte
Program Memory Size
15 KB
Operating Supply Voltage
1.8|3 V
Data Bus Width
8 Bit
Program Memory Type
Flash
Number Of Programmable I/os
54
Interface Type
I2C/SMBus/SPI/UART
On-chip Adc
16-chx10-bit
Operating Temperature
-40 to 85 °C
Number Of Timers
4
Available stocks
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Price
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Part Number:
C8051F700-GQR
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Table 30.6. SMBus Status Decoding: Hardware ACK Enabled (EHACK = 1) (Continued)
0010
0001
0000 0
0010 0
0001 0
0000 0
Values Read
0
0
0
0
0 X
1 X
0 X
1 X
0 X A slave byte was received.
1 X
1 X
1 X
A slave address + R/W was
received; ACK sent.
Lost arbitration as master;
slave address + R/W received;
ACK sent.
A STOP was detected while
addressed as a Slave Trans-
mitter or Slave Receiver.
Lost arbitration while attempt-
ing a STOP.
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.
Current SMbus State
Rev. 1.0
If Write, Set ACK for first data
byte.
If Read, Load SMB0DAT with
data byte
If Write, Set ACK for first data
byte.
If Read, Load SMB0DAT with
data byte
Reschedule failed transfer
Clear STO.
No action required (transfer
complete/aborted).
Set ACK for next data byte;
Read SMB0DAT.
Set NACK for next data byte;
Read SMB0DAT.
Abort failed transfer.
Reschedule failed transfer.
Abort failed transfer.
Reschedule failed transfer.
Abort failed transfer.
Reschedule failed transfer.
Typical Response Options
Values to
0
0
0
0
1
0
0
0
0
0
1
0
1
0
1
Write
0 1
0 X 0100
0 1
0 X 0100
0 X
0 X
0 0
0 1
0 0
0 X
0 X
0 X
0 X
0 X
0 X
0000
0000
0000
0000
1110
1110
1110
1110
—
—
—
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