C8051F350 Silicon Laboratories Inc, C8051F350 Datasheet - Page 176

• Manufacturer Part Number: C8051F350
• Description: IC 8051 MCU 8K FLASH 32LQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F35xr

Specifications of C8051F350

• 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: 32-LQFP
• Data Bus Width: 8 bit
• Data Rom Size: 128 B
• On-chip Adc: 10 bit
• Number Of Timers: 16 bit
• Operating Supply Voltage: 2.7 V to 3.6 V
• Mounting Style: SMD/SMT
• Height: 1.4 mm
• Length: 7 mm
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Width: 7 mm
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: No RoHS Version Available

C8051F350/1/2/3
176
Table 20.5. Timer Settings for Standard Baud Rates Using an External Oscillator
Table 20.6. Timer Settings for Standard Baud Rates Using an External Oscillator
Frequency: 3.6864 MHz
Frequency: 11.0592 MHz
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
Baud Rate
% Error
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%
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
†
†
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-
Factor
Oscilla-
Factor
1536
3072
1152
4608
9216
1152
128
256
384
128
256
384
192
384
768
192
384
768
16
32
64
16
32
64
96
48
48
96
Rev. 0.4
SYSCLK / 12
SYSCLK / 12
SYSCLK / 12
SYSCLK / 12
SYSCLK / 12
SYSCLK / 48
Timer Clock
Timer Clock
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
SYSCLK
SYSCLK
SYSCLK
SYSCLK
Source
Source
X = Don’t care
X = Don’t care
SCA1-SCA0
SCA1-SCA0
(pre-scale
(pre-scale
select)
select)
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
00
00
00
10
11
11
11
11
11
11
00
00
11
11
11
11
11
11
†
†
Section
Section
T1M
T1M
1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
0
0
†
†
22.1.
22.1.
Timer 1
Reload
Timer 1
Reload
Value
(hex)
0xFD
0xE8
0xD0
0xA0
0xE0
0xD0
0xA0
0xFA
0xE8
0xD0
0xB8
Value
0x40
0x40
0xF4
(hex)
0xC0
0xC0
0xFE
0xFC
0xF8
0xF0
0xE0
0x80
0x40
0x80
0xFF
0xF8
0xF0
0xE8