C8051F023-GQR Silicon Laboratories Inc, C8051F023-GQR Datasheet - Page 242

• Manufacturer Part Number: C8051F023-GQR
• Description: IC 8051 MCU 64K FLASH 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F02xr

Specifications of C8051F023-GQR

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 32
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 4.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x8b, 8x10b; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• For Use With: 336-1200 - DEV KIT FOR F020/F021/F022/F023
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

C8051F020/1/2/3
242
Bits 7-0: TMR3RLH: Timer 3 Reload Register High Byte.
Bits 7-0: TMR3L: Timer 3 Low Byte.
Bits 7-0: TMR3H: Timer 3 High Byte.
R/W
R/W
R/W
Bit7
Bit7
Bit7
Timer 3 is configured as an auto-reload timer. This register holds the high byte of the reload value.
The TMR3L register is the low byte of Timer 3.
The TMR3H register is the high byte of Timer 3.
Figure 22.22. TMR3RLH: Timer 3 Reload Register High Byte
R/W
R/W
R/W
Bit6
Bit6
Bit6
R/W
R/W
Figure 22.24. TMR3H: Timer 3 High Byte
R/W
Bit5
Bit5
Bit5
Figure 22.23. TMR3L: Timer 3 Low Byte
R/W
R/W
R/W
Bit4
Bit4
Bit4
Rev. 1.4
R/W
R/W
R/W
Bit3
Bit3
Bit3
R/W
R/W
R/W
Bit2
Bit2
Bit2
R/W
R/W
R/W
Bit1
Bit1
Bit1
R/W
R/W
R/W
Bit0
Bit0
Bit0
SFR Address:
SFR Address:
SFR Address:
00000000
00000000
00000000
Reset Value
Reset Value
Reset Value
0x93
0x94
0x95