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C8051F360 Datasheet(PDF) 102 Page - Silicon Laboratories |
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C8051F360 Datasheet(HTML) 102 Page - Silicon Laboratories |
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102 / 288 page ![]() C8051F360/1/2/3/4/5/6/7/8/9 102 Rev. 1.0 9.4.7. Register Descriptions Following are descriptions of SFRs related to the operation of the CIP-51 System Controller. Reserved bits should not be set to logic ‘1’. Future product versions may use these bits to implement new features in which case the reset value of the bit will be logic ‘0’, selecting the feature's default state. Detailed descrip- tions of the remaining SFRs are included in the sections of the data sheet associated with their corre- sponding system function. SFR Definition 9.5. SP: Stack Pointer Bits 7–0: SP: Stack Pointer. 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. SFR Page: SFR Address: all pages 0x81 R/W R/W R/W R/W R/W R/W R/W R/W Reset Value 00000111 Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 SFR Definition 9.6. DPL: Data Pointer Low Byte Bits 7–0: DPL: Data Pointer Low. The DPL register is the low byte of the 16-bit DPTR. DPTR is used to access indirectly addressed XRAM and Flash memory. SFR Page SFR Address: all pages 0x82 R/W R/W R/W R/W R/W R/W R/W R/W Reset Value 00000000 Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 SFR Definition 9.7. DPH: Data Pointer High Byte Bits 7–0: DPH: Data Pointer High. The DPH register is the high byte of the 16-bit DPTR. DPTR is used to access indirectly addressed XRAM and Flash memory. SFR Page: SFR Address: all pages 0x83 R/W R/W R/W R/W R/W R/W R/W R/W Reset Value 00000000 Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 |
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