C8051F312 Silicon Laboratories Inc, C8051F312 Datasheet - Page 214

• Manufacturer Part Number: C8051F312
• Description: IC 8051 MCU 8K FLASH 32LQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F31xr

Specifications of C8051F312

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: POR, PWM, Temp Sensor, WDT
• Number Of I /o: 29
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 21x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: 336-1151

C8051F310/1/2/3/4/5/6/7
214
Notes:
System Clock (Hz)
1. Assumes SYSCLK / 12 as the PCA clock source, and a PCA0L
2. Internal oscillator reset frequency.
Table 18.3. Watchdog Timer Timeout Intervals
24,500,000
24,500,000
24,500,000
18,432,000
18,432,000
18,432,000
11,059,200
11,059,200
11,059,200
3,062,500
3,062,500
3,062,500
value of 0x00 at the update time.
32,000
32,000
32,000
2
2
2
PCA0CPL4
Rev. 1.7
255
128
255
128
255
128
255
128
255
128
32
32
32
32
32
Timeout Interval (ms)
24576
12384
129.5
3168
32.1
16.2
42.7
21.5
71.1
35.8
33.1
257
4.1
5.5
9.2
1