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71M6543F Datasheet(PDF) 33 Page - Maxim Integrated Products |
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71M6543F Datasheet(HTML) 33 Page - Maxim Integrated Products |
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33 / 157 page  71M6543F/H and 71M6543G/GH Data Sheet v1.2 © 2008–2011 Teridian Semiconductor Corporation 33 2.4.3 Generic 80515 Special Function Registers Table 12 shows the location, description and reset or power-up value of the generic 80515 SFRs. Additional descriptions of the registers can be found at the page numbers listed in the table. Table 12: Generic 80515 SFRs - Location and Reset Values Name Address (Hex) Reset value (Hex) Description Page(s) P0 0x80 0xFF Port 0 35 SP 0x81 0x07 Stack Pointer 34 DPL 0x82 0x00 Data Pointer Low 0 34 DPH 0x83 0x00 Data Pointer High 0 34 DPL1 0x84 0x00 Data Pointer Low 1 34 DPH1 0x85 0x00 Data Pointer High 1 34 PCON 0x87 0x00 Power Reduction Modes, UART Speed Control 35, 38 TCON 0x88 0x00 Timer/Counter Control 41 TMOD 0x89 0x00 Timer Mode Control 39 TL0 0x8A 0x00 Timer 0, low byte 39 TL1 0x8B 0x00 Timer 1, high byte 39 TH0 0x8C 0x00 Timer 0, low byte 39 TH1 0x8D 0x00 Timer 1, high byte 39 CKCON 0x8E 0x01 Clock Control (Stretch=1) 35 P1 0x90 0xFF Port 1 35 DPS 0x92 0x00 Data Pointer select Register 31 S0CON 0x98 0x00 Serial Port 0, Control Register 37 S0BUF 0x99 0x00 Serial Port 0, Data Buffer 36 IEN2 0x9A 0x00 Interrupt Enable Register 2 41 S1CON 0x9B 0x00 Serial Port 1, Control Register 38 S1BUF 0x9C 0x00 Serial Port 1, Data Buffer 36 S1RELL 0x9D 0x00 Serial Port 1, Reload Register, low byte 36 P2 0xA0 0xFF Port 2 35 IEN0 0xA8 0x00 Interrupt Enable Register 0 41 IP0 0xA9 0x00 Interrupt Priority Register 0 43 S0RELL 0xAA 0xD9 Serial Port 0, Reload Register, low byte 36 P3 0xB0 0xFF Port 3 35 IEN1 0xB8 0x00 Interrupt Enable Register 1 41 IP1 0xB9 0x00 Interrupt Priority Register 1 43 S0RELH 0xBA 0x03 Serial Port 0, Reload Register, high byte 36 S1RELH 0xBB 0x03 Serial Port 1, Reload Register, high byte 36 PDATA 0xBF 0x00 High address byte for MOVX@Ri - also called USR2 31 IRCON 0xC0 0x00 Interrupt Request Control Register 42 T2CON 0xC8 0x00 Polarity for INT2 and INT3 42 PSW 0xD0 0x00 Program Status Word 34 WDCON 0xD8 0x00 Baud Rate Control Register (only WDCON[7] bit used) 36 A 0xE0 0x00 Accumulator 34 B 0xF0 0x00 B Register 34 |
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