C8051F121 Silicon Laboratories Inc, C8051F121 Datasheet - Page 316

• Manufacturer Part Number: C8051F121
• Description: IC 8051 MCU FLASH 128K 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F12xr

Specifications of C8051F121

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 100MHz
• 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: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 8.25K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x8b, 8x12b; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

C8051F120/1/2/3/4/5/6/7
C8051F130/1/2/3
316
Bits 7–0: TL1: Timer 1 Low Byte.
Bits 7–0: TH0: Timer 0 High Byte.
Bits 7–0: TH1: Timer 1 High Byte.
R/W
R/W
R/W
Bit7
Bit7
Bit7
The TL1 register is the low byte of the 16-bit Timer 1.
The TH0 register is the high byte of the 16-bit Timer 0.
The TH1 register is the high byte of the 16-bit Timer 1.
R/W
R/W
R/W
Bit6
Bit6
Bit6
SFR Definition 23.6. TH0: Timer 0 High Byte
SFR Definition 23.7. TH1: Timer 1 High Byte
SFR Definition 23.5. TL1: Timer 1 Low Byte
R/W
R/W
R/W
Bit5
Bit5
Bit5
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
SFR Address:
SFR Address:
SFR Address:
SFR Page:
SFR Page:
SFR Page:
R/W
R/W
R/W
Bit0
Bit0
Bit0
0x8B
0
0x8C
0
0x8D
0
00000000
00000000
00000000
Reset Value
Reset Value
Reset Value