C8051F321R Silicon Laboratories Inc, C8051F321R Datasheet - Page 251

• Manufacturer Part Number: C8051F321R
• Description: IC 8051 MCU 16K FLASH 28MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F32xr

Specifications of C8051F321R

• 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: 21
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 13x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: 336-1067-2

Bits 7-0: PCA0L: PCA Counter/Timer Low Byte.
Bits 7-0: PCA0H: PCA Counter/Timer High Byte.
R/W
R/W
Bit7
Bit7
The PCA0L register holds the low byte (LSB) of the 16-bit PCA Counter/Timer.
The PCA0H register holds the high byte (MSB) of the 16-bit PCA Counter/Timer.
R/W
R/W
Bit6
Bit6
Figure 20.15. PCA0H: PCA Counter/Timer High Byte
Figure 20.14. PCA0L: PCA Counter/Timer Low Byte
R/W
R/W
Bit5
Bit5
R/W
R/W
Bit4
Bit4
R/W
R/W
Bit3
Bit3
Rev. 1.1
R/W
R/W
Bit2
Bit2
R/W
R/W
Bit1
Bit1
C8051F320/1
R/W
R/W
Bit0
Bit0
SFR Address:
SFR Address:
00000000
00000000
Reset Value
Reset Value
0xFA
0xF9
251