C8051F305-GMR Silicon Laboratories Inc, C8051F305-GMR Datasheet - Page 166

• Manufacturer Part Number: C8051F305-GMR
• Description: IC 8051 MCU 2K FLASH 11QFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F30xr

Specifications of C8051F305-GMR

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 8
• Program Memory Size: 2KB (2K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 11-VQFN
• For Use With: 336-1444 - ADAPTER PROGRAM TOOLSTICK F300
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

C8051F300/1/2/3/4/5
166
Notes:
1. Assumes SYSCLK / 12 as the PCA clock source, and a PCA0L value of 0x00
2. Internal oscillator reset frequency for devices with a calibrated internal
at the update time.
oscillator. The reset system clock for devices with an uncalibrated internal
oscillator will vary.
System Clock (Hz)
Table 16.3. 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
32,000
32,000
32,000
2
2
2
Rev. 2.9
PCA0CPL2
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