C8051F226-TB Silicon Laboratories Inc, C8051F226-TB Datasheet - Page 123
C8051F226-TB
Manufacturer Part Number
C8051F226-TB
Description
BOARD PROTOTYPING W/C8051F226
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F226-TB
Contents
Board
Processor To Be Evaluated
C8051F22x and C8051F23x
Interface Type
USB
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
C8051F226
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Bits7–0: SBUF.[7:0]: Serial Data Buffer Bits 7–0 (MSB-LSB)
Oscillator Frequency
R/W
Bit7
Table 16.2. Oscillator Frequencies for Standard Baud Rates (Continued)
16.5888
14.7456
12.9024
22.1184
11.0592
7.3728
5.5296
3.6864
1.8432
24.576
24.576
23.592
18.432
7.3728
5.5296
3.6864
1.8432
(MHz)
9.216
This is actually two registers; a transmit and a receive buffer register. When data is moved
to SBUF, it goes to the transmit buffer and is held for serial transmission. Moving a byte to
SBUF is what initiates the transmission. When data is moved from SBUF, it comes from the
receive buffer.
25.0
25.0
24.0
R/W
Bit6
SFR Definition 16.1. SBUF: Serial (UART) Data Buffer
R/W
Bit5
Divide Factor
R/W
Bit4
320
434
868
848
833
819
768
640
576
512
448
348
320
256
192
128
64
48
32
16
64
Rev. 1.6
R/W
Bit3
Timer 1 Load Value*
R/W
Bit2
0xCC
0xCD
0xDC
0xFC
0xFD
0xEC
0xCA
0xCB
0xEC
0xFC
0xFE
0xFF
0xE5
0xD0
0xD8
0xE0
0xE4
0xE8
0xF0
0xF4
0xF8
R/W
Bit1
Resulting Baud Rate**
C8051F2xx
57600 (57870)
28800 (28921)
28800 (28846)
28800 (28911)
R/W
Bit0
115200
115200
115200
115200
76800
28800
28800
28800
28800
28800
28800
28800
28800
28800
28800
28800
28800
SFR Address:
Reset Value
00000000
0x99
123
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