C8051F331 Silicon Laboratories Inc, C8051F331 Datasheet - Page 154
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C8051F331
Manufacturer Part Number
C8051F331
Description
IC 8051 MCU 8K FLASH 20MLP
Manufacturer
Silicon Laboratories Inc
Series
C8051F33xr
Datasheet
1.C8051F330R.pdf
(208 pages)
Specifications of C8051F331
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
17
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-QFN
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
C8051F331
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
Company:
Part Number:
C8051F331-GM
Manufacturer:
SiliconL
Quantity:
1 630
Part Number:
C8051F331-GM
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
Part Number:
C8051F331-GMR
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
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C8051F330/1, C8051F330D
154
Table 16.4. Timer Settings for Standard Baud Rates Using an External Oscillator
Notes:
1. SCA1-SCA0 and T1M bit definitions can be found in
2. X = Don’t care.
Baud Rate
230400
230400
115200
115200
Target
57600
28800
14400
57600
28800
14400
(bps)
9600
2400
1200
9600
Baud Rate
% Error
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
tor Divide
Oscilla-
Factor
15360
1280
1920
7680
1280
1920
160
320
640
160
320
640
80
80
Frequency: 18.432 MHz
Rev. 1.2
SYSCLK / 12
SYSCLK / 48
SYSCLK / 48
Timer Clock
SYSCLK / 4
SYSCLK / 4
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
SYSCLK
SYSCLK
SYSCLK
Source
Section
SCA1-SCA0
(pre-scale
18.1.
select)
XX
XX
XX
01
01
00
10
10
11
11
11
11
11
11
2
1
T1M
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
Timer 1
Reload
Value
(hex)
0xD8
0xFB
0xEC
0xD8
0xB0
0xB0
0xB0
0xB0
0xF6
0xB0
0x60
0x60
0x60
0x88
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