C8051F305-GMR Silicon Laboratories Inc, C8051F305-GMR Datasheet - Page 137
![IC 8051 MCU 2K FLASH 11QFN](/photos/12/15/121581/sl-11-mlp_sml.jpg)
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
- Current page: 137 of 178
- Download datasheet (2Mb)
C8051F300/1/2/3/4/5
SFR Definition 14.2.
SBUF0: Serial (UART0) Port Data Buffer
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset Value
00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SFR Address:
0x99
Bits7–0: SBUF0[7:0]: Serial Data Buffer Bits 7–0 (MSB-LSB)
This SFR accesses two registers; a transmit shift register and a receive latch register. When
data is written to SBUF0, it goes to the transmit shift register and is held for serial transmis-
sion. Writing a byte to SBUF0 is what initiates the transmission. A read of SBUF0 returns the
contents of the receive latch.
Rev. 2.9
137
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