C8051F351-GMR Silicon Laboratories Inc, C8051F351-GMR Datasheet - Page 179

• Manufacturer Part Number: C8051F351-GMR
• Description: IC 8051 MCU 8K FLASH 28MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F35xr

Specifications of C8051F351-GMR

• 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
• Processor Series: C8051F3x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: I2C, SMBus, SPI, UART
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 17
• Number Of Timers: 4
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: KSK-SL-TOOLSTICK, PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F350DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 24 bit, 8 Channel
• On-chip Dac: 8 bit, 2 Channel
• For Use With: 336-1083 - DEV KIT FOR F350/351/352/353
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

Baud Rate
Baud Rate
230400
115200
230400
115200
230400
230400
Target
115200
115200
57600
28800
14400
57600
28800
14400
Target
57600
28800
14400
57600
28800
14400
(bps)
(bps)
9600
2400
1200
9600
9600
2400
1200
9600
Table 20.3. Timer Settings for Standard Baud Rates
Table 20.4. Timer Settings for Standard Baud Rates
*Note: SCA1–SCA0 and T1M bit definitions can be found in Section 22.1.
*Note: SCA1–SCA0 and T1M bit definitions can be found in Section 22.1.
Baud Rate
Baud Rate
Using an External 22.1184 MHz Oscillator
% Error
% Error
Using an External 18.432 MHz Oscillator
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%
tor Divide
tor Divide
Oscilla-
Oscilla-
Factor
Factor
15360
18432
1280
1920
7680
1280
1920
1536
2304
9216
1536
2304
160
320
640
160
320
640
192
384
768
192
384
768
80
80
96
96
Frequency: 22.1184 MHz
Frequency: 18.432 MHz
Rev. 1.1
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
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
Value (hex)
Value (hex)
Timer 1
Reload
Timer 1
Reload
0xC0
0xD0
0xA0
0xE0
0xA0
0xA0
0xFA
0xF4
0xE8
0xD0
0xA0
0xEC
0x40
0x40
0x70
0xD8
0xFB
0xD8
0xB0
0xB0
0xB0
0xB0
0x60
0xF6
0xB0
0x60
0x60
0x88
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