C8051F331-GMR Silicon Laboratories Inc, C8051F331-GMR Datasheet - Page 200

• Manufacturer Part Number: C8051F331-GMR
• Description: IC 8051 MCU 8K FLASH 20QFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F33xr

Specifications of C8051F331-GMR

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: POR, PWM, 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
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-QFN
• For Use With: 336-1451 - ADAPTER PROGRAM TOOLSTICK F330336-1264 - DEV KIT FOR C8051F330/F331
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

C8051F330/1/2/3/4/5
19.5. Register Descriptions for PCA
Following are detailed descriptions of the special function registers related to the operation of the PCA.
204
Notes:
System Clock (Hz)
1. Assumes SYSCLK/12 as the PCA clock source, and a PCA0L value
2. Internal SYSCLK reset frequency = Internal Oscillator divided by 8.
Table 19.4. 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
of 0x00 at the update time.
32,000
32,000
32,000
2
2
2
PCA0CPL2
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