C8051F040DK Silicon Laboratories Inc, C8051F040DK Datasheet - Page 283

• Manufacturer Part Number: C8051F040DK
• Description: DEV KIT FOR F040/F041/F042/F043
• Manufacturer: Silicon Laboratories Inc
• Type: MCUr

Specifications of C8051F040DK

• Contents: Evaluation Board, Power Supply, USB Cables, Adapter and Documentation
• Processor To Be Evaluated: C8051F04x
• Interface Type: USB
• Silicon Manufacturer: Silicon Labs
• Core Architecture: 8051
• Silicon Core Number: C8051F040
• Silicon Family Name: C8051F04x
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: Silicon Laboratories C8051 F040, 041, 042, 043 MCUs
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1205

Bits7-0:
R/W
Bit7
SBUF1[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 SBUF1, it goes to the transmit shift register and is held for serial transmis-
sion. Writing a byte to SBUF1 is what initiates the transmission. A read of SBUF1 returns the
contents of the receive latch.
SFR Definition 22.2. SBUF1: Serial (UART1) Port Data Buffer
R/W
Bit6
R/W
Bit5
R/W
Bit4
Rev. 1.5
R/W
Bit3
C8051F040/1/2/3/4/5/6/7
R/W
Bit2
R/W
Bit1
SFR Address:
SFR Page:
R/W
Bit0
0x99
1
00000000
Reset Value
283