C8051F305-GSR Silicon Labs, C8051F305-GSR Datasheet - Page 69

• Manufacturer Part Number: C8051F305-GSR
• Description: 8-bit Microcontrollers - MCU 2KB 14Pin MCU
• Manufacturer: Silicon Labs

Specifications of C8051F305-GSR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

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.
R/W
R/W
Bit5
Bit5
SFR Definition 8.3.
R/W
R/W
Bit4
Bit4
DPH: Data Pointer High Byte
Rev. 2.9
R/W
Bit3
R/W
Bit3
SP: Stack Pointer
R/W
Bit2
R/W
Bit2
C8051F300/1/2/3/4/5
R/W
Bit1
R/W
Bit1
R/W
Bit0
R/W
Bit0
SFR Address:
Reset Value
00000111
SFR Address:
00000000
Reset Value
0x81
0x83
69