C8051F314 Silicon Laboratories Inc, C8051F314 Datasheet - Page 91

• Manufacturer Part Number: C8051F314
• Description: IC 8051 MCU 8K FLASH 32LQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F31xr

Specifications of C8051F314

• 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: 29
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -
• Other names: 336-1153

Bits7–0: DPH: Data Pointer High.
Bits7–0: SP: Stack Pointer.
R/W
R/W
Bit7
Bit7
The DPH register is the high byte of the 16-bit DPTR. DPTR is used to access indirectly
addressed Flash memory.
The Stack Pointer holds the location of the top of the stack. The stack pointer is incremented
before every PUSH operation. The SP register defaults to 0x07 after reset.
R/W
R/W
Bit6
Bit6
SFR Definition 8.2. DPH: Data Pointer High Byte
R/W
R/W
Bit5
Bit5
SFR Definition 8.3. SP: Stack Pointer
R/W
R/W
Bit4
Bit4
Rev. 1.7
R/W
R/W
Bit3
Bit3
C8051F310/1/2/3/4/5/6/7
R/W
R/W
Bit2
Bit2
R/W
R/W
Bit1
Bit1
R/W
R/W
Bit0
Bit0
SFR Address:
SFR Address:
00000000
Reset Value
00000111
Reset Value
0x81
0x83
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