C8051F305-GMR Silicon Laboratories Inc, C8051F305-GMR Datasheet - Page 128
C8051F305-GMR
Manufacturer Part Number
C8051F305-GMR
Description
IC 8051 MCU 2K FLASH 11QFN
Manufacturer
Silicon Laboratories Inc
Series
C8051F30xr
Specifications of C8051F305-GMR
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
8
Program Memory Size
2KB (2K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
11-VQFN
For Use With
336-1444 - ADAPTER PROGRAM TOOLSTICK F300
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
C8051F305-GMR
Manufacturer:
SILICONLABS/芯科
Quantity:
20 000
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C8051F300/1/2/3/4/5
128
1000
0100
0101
Values Read
1
0
0
0
0
X
0
0
0
1
Table 13.4. SMBus Status Decoding (Continued)
X A master data byte was received;
X A Slave byte was transmitted;
X An illegal STOP or bus error was
0 A slave byte was transmitted;
1 A slave byte was transmitted;
ACK requested.
NACK received.
ACK received.
error detected.
detected while a Slave Transmis-
sion was in progress.
Current SMbus State
Rev. 2.9
Acknowledge received byte;
Read SMB0DAT.
Send NACK to indicate last
byte, and send STOP.
Send NACK to indicate last
byte, and send STOP fol-
lowed 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
Master Transmitter Mode
(write to SMB0DAT before
clearing SI).
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.
Typical Response Options
0
0
1
1
1
0
0
0
0
0
0
Written
Values
0
1
1
0
0
0
0
0
0
0
0
X
X
X
X
1
0
0
1
0
1
0
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