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C8051F300 Datasheet(PDF) 66 Page - List of Unclassifed Manufacturers |
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C8051F300 Datasheet(HTML) 66 Page - List of Unclassifed Manufacturers |
66 / 174 page C8051F300/1/2/3/4/5 66 Rev. 2.6 8.2.7. 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 l. 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 descriptions of the remaining SFRs are included in the sections of the datasheet associated with their corresponding sys- tem function. SFR Definition 8.1. DPL: Data Pointer Low Byte TCON 0x88 Timer/Counter Control 143 TH0 0x8C Timer/Counter 0 High 146 TH1 0x8D Timer/Counter 1 High 146 TL0 0x8A Timer/Counter 0 Low 146 TL1 0x8B Timer/Counter 1 Low 146 TMOD 0x89 Timer/Counter Mode 144 TMR2RLH 0xCB Timer/Counter 2 Reload High 150 TMR2RLL 0xCA Timer/Counter 2 Reload Low 150 TMR2H 0xCD Timer/Counter 2 High 150 TMR2L 0xCC Timer/Counter 2 Low 150 XBR0 0xE1 Port I/O Crossbar Control 0 103 XBR1 0xE2 Port I/O Crossbar Control 1 103 XBR2 0xE3 Port I/O Crossbar Control 2 104 0x97, 0xAE, 0xAF, 0xB4, 0xB6, 0xBF, 0xCE, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xDD, 0xDE, 0xDF, 0xF5 Reserved Table 8.3. Special Function Registers* (Continued) Register Address Description Page No. *Note: SFRs are listed in alphabetical order. All undefined SFR locations are reserved Bits7–0: DPL: Data Pointer Low. The DPL register is the low byte of the 16-bit DPTR. DPTR is used to access indirectly addressed Flash memory. 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 Address: 0x82 |
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