C8051F320-GQ Silicon Laboratories Inc, C8051F320-GQ Datasheet - Page 239

• Manufacturer Part Number: C8051F320-GQ
• Description: IC 8051 MCU 16K FLASH 32LQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F32xr

Specifications of C8051F320-GQ

• Program Memory Type: FLASH
• Program Memory Size: 16KB (16K x 8)
• Package / Case: 32-LQFP
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 25
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 17x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: C8051F3x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 2.25 KB
• Interface Type: I2C/SMBus/SPI/UART/USB
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 25
• Number Of Timers: 4
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F320DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 13-ch x 10-bit or 17-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 770-1006 - ISP 4PORT FOR SILABS C8051F MCU336-1448 - ADAPTER PROGRAM TOOLSTICK F320336-1260 - DEV KIT FOR C8051F320/F321
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1259

20.4. Register Descriptions for PCA
Following are detailed descriptions of the special function registers related to the operation of the PCA.
Notes:
System Clock (Hz)
1. Assumes SYSCLK / 12 as the PCA clock source, and a PCA0L value
2. Internal oscillator reset frequency.
Table 20.3. Watchdog Timer Timeout Intervals
24,000,000
24,000,000
24,000,000
12,000,000
12,000,000
12,000,000
1,500,000
1,500,000
1,500,000
of 0x00 at the update time.
4,000,000
4,000,000
4,000,000
32,768
32,768
32,768
2
2
2
PCA0CPL4
Rev. 1.4
255
128
255
128
255
128
255
128
255
128
32
32
32
32
32
Timeout Interval (ms)
12,093.75
3,093.75
24,000
196.6
524.3
264.2
32.8
16.5
65.5
33.0
99.1
25.3
67.6
4.2
8.4
C8051F320/1
1
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