C8051F91X-C8051F90X 查看數據表（PDF） - Silicon Laboratories
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C8051F91X-C8051F90X
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C8051F91X-C8051F90X Datasheet PDF : 318 Pages
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C8051F91x-C8051F90x
SFR Definition 23.2. SBUF0: Serial (UART0) Port Data Buffer
Bit
7
6
5
4
3
2
1
0
Name
SBUF0[7:0]
Type R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
SFR Page = 0x0; SFR Address = 0x99
Bit Name
Function
7:0 SBUF0 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 transmission. Writing a byte to SBUF0 initiates the transmission. A read of
SBUF0 returns the contents of the receive latch.
Rev. 1.0
253
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