C8051F352 Silicon Laboratories Inc, C8051F352 Datasheet - Page 174

• Manufacturer Part Number: C8051F352
• Description: IC 8051 MCU 8K FLASH 32LQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F35xr

Specifications of C8051F352

• 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 8x16b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• Processor Series: C8051F35x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: I2C, SPI, UART
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 17
• Number Of Timers: 4
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 16 bit
• On-chip Dac: 8 bit
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: No

C8051F350/1/2/3
174
Table 20.1. Timer Settings for Standard Baud Rates Using the Internal Oscillator
Table 20.2. Timer Settings for Standard Baud Rates Using an External Oscillator
Frequency: 24.5 MHz
Frequency: 25.0 MHz
Baud Rate
Baud Rate
230400
115200
230400
115200
Target
Target
57600
28800
14400
57600
28800
14400
57600
28800
14400
(bps)
(bps)
9600
2400
1200
9600
2400
1200
9600
Baud Rate
Baud Rate
% Error
% Error
-0.32%
-0.32%
-0.32%
-0.32%
-0.32%
-0.47%
-0.01%
-0.01%
-0.01%
-0.47%
-0.47%
0.15%
0.45%
0.15%
0.15%
0.15%
0.15%
0.45%
0.45%
0.45%
†
†
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
10176
20448
10464
20832
1704
2544
1736
2608
1744
2608
106
212
426
848
108
218
434
872
432
864
Rev. 0.4
SYSCLK / 12
SYSCLK / 12
SYSCLK / 48
SYSCLK / 48
SYSCLK / 48
SYSCLK / 48
Timer Clock
Timer Clock
SYSCLK / 4
SYSCLK / 4
SYSCLK / 4
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)
XX
XX
XX
XX
XX
XX
01
00
00
10
10
01
01
10
10
11
11
11
11
11
†
†
Section
Section
T1M
T1M
1
1
1
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
†
†
22.1.
22.1.
Timer 1
Timer 1
Reload
Reload
Value
Value
0xCB
0xCA
0xCA
(hex)
0xB9
(hex)
0x5D
0x5D
0x96
0x2B
0x96
0x96
0x96
0x2B
0x93
0x27
0x93
0x27
0xE5
0x93
0x93
0x27