C8051F351 Silicon Laboratories Inc, C8051F351 Datasheet - Page 175
C8051F351
Manufacturer Part Number
C8051F351
Description
IC 8051 MCU 8K FLASH 28MLP
Manufacturer
Silicon Laboratories Inc
Series
C8051F35xr
Specifications of C8051F351
Core Processor
8051
Core Size
8-Bit
Speed
50MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
POR, PWM, Temp Sensor, 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
Data Converters
A/D 8x24b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F351-GM
Manufacturer:
SiliconL
Quantity:
5
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Table 20.3. Timer Settings for Standard Baud Rates Using an External Oscillator
Table 20.4. Timer Settings for Standard Baud Rates Using an External Oscillator
Frequency: 18.432 MHz
Frequency: 22.1184 MHz
Baud Rate
Baud Rate
230400
230400
115200
115200
230400
230400
115200
115200
Target
Target
57600
28800
14400
57600
28800
14400
57600
28800
14400
57600
28800
14400
(bps)
(bps)
9600
2400
1200
9600
9600
2400
1200
9600
Baud Rate
Baud Rate
% Error
% 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%
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%
†
†
SCA1-SCA0 and T1M bit definitions can be found in
SCA1-SCA0 and T1M bit definitions can be found in
tor Divide
tor Divide
Oscilla-
Oscilla-
Factor
Factor
15360
18432
1280
1920
7680
1280
1920
2304
9216
1536
2304
1536
160
320
640
160
320
640
192
384
768
192
384
768
80
80
96
96
Rev. 0.4
SYSCLK / 12
SYSCLK / 48
SYSCLK / 48
Timer Clock
SYSCLK / 12
SYSCLK / 12
SYSCLK / 12
SYSCLK / 48
SYSCLK / 48
Timer Clock
SYSCLK / 4
SYSCLK / 4
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
Source
Source
X = Don’t care
X = Don’t care
SCA1-SCA0
SCA1-SCA0
(pre-scale
(pre-scale
select)
select)
C8051F350/1/2/3
XX
XX
XX
XX
XX
XX
00
00
00
10
10
01
01
00
10
10
11
11
11
11
11
11
11
11
11
11
11
11
†
†
Section
Section
T1M
T1M
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
†
†
22.1.
22.1.
Timer 1
Reload
Timer 1
Reload
Value
(hex)
Value
0xD0
0xA0
0xE0
0xC0
0xA0
0xA0
0xFA
0xE8
0xD0
0xA0
0x40
0x40
0xF4
0x70
(hex)
0xEC
0xD8
0xB0
0xB0
0xB0
0xB0
0xFB
0xF6
0xD8
0xB0
0x60
0x60
0x60
0x88
175
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