C8051F331 Silicon Laboratories Inc, C8051F331 Datasheet - Page 156
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
156
Table 16.6. 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
Rate%
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%
Baud
Error
tor Divide
Oscilla-
Factor
1536
3072
128
256
384
128
256
384
16
32
64
16
32
64
Frequency: 3.6864 MHz
Rev. 1.2
SYSCLK / 12
SYSCLK / 12
Timer Clock
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
Source
Section
SCA1-SCA0
(pre-scale
18.1.
select)
XX
XX
XX
XX
XX
XX
00
00
11
11
11
11
11
11
2
1
T1M
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
Timer 1
Reload
Value
(hex)
0xFC
0xE0
0xC0
0xC0
0xFF
0xFE
0xE8
0xF8
0xF0
0x80
0x40
0x80
0xF8
0xF0
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