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71M6541D/F/G Datasheet(PDF) 34 Page - Maxim Integrated Products |
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71M6541D/F/G Datasheet(HTML) 34 Page - Maxim Integrated Products |
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34 / 166 page  71M6541D/F/G and 71M6542F/G Data Sheet 34 Rev 5 Hex/ Bin Bit Addressable Byte Addressable Bin/ Hex X000 X001 X010 X011 X100 X101 X110 X111 98 S0CON S0BUF IEN2 S1CON S1BUF S1RELL EEDATA EECTRL 9F 90 P1(DIO4:7) DPS ERASE 97 88 TCON TMOD TL0 TL1 TH0 TH1 CKCON 8F 80 P0 (DIO0:3) SP DPL DPH DPL1 DPH1 PCON 87 2.4.3 Generic 80515 Special Function Registers Table 13 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 13: Generic 80515 SFRs - Location and Reset Values Name Address (Hex) Reset value (Hex) Description Page P0 0x80 0xFF Port 0 36 SP 0x81 0x07 Stack Pointer 35 DPL 0x82 0x00 Data Pointer Low 0 35 DPH 0x83 0x00 Data Pointer High 0 35 DPL1 0x84 0x00 Data Pointer Low 1 35 DPH1 0x85 0x00 Data Pointer High 1 35 PCON 0x87 0x00 UART Speed Control 39 TCON 0x88 0x00 Timer/Counter Control 42 TMOD 0x89 0x00 Timer Mode Control 40 TL0 0x8A 0x00 Timer 0, low byte 40 TL1 0x8B 0x00 Timer 1, high byte 40 TH0 0x8C 0x00 Timer 0, low byte 40 TH1 0x8D 0x00 Timer 1, high byte 40 CKCON 0x8E 0x01 Clock Control (Stretch=1) 36 P1 0x90 0xFF Port 1 36 DPS 0x92 0x00 Data Pointer select Register 32 S0CON 0x98 0x00 Serial Port 0, Control Register 38 S0BUF 0x99 0x00 Serial Port 0, Data Buffer 37 IEN2 0x9A 0x00 Interrupt Enable Register 2 42 S1CON 0x9B 0x00 Serial Port 1, Control Register 39 S1BUF 0x9C 0x00 Serial Port 1, Data Buffer 37 S1RELL 0x9D 0x00 Serial Port 1, Reload Register, low byte 37 P2 0xA0 0xFF Port 2 36 IEN0 0xA8 0x00 Interrupt Enable Register 0 42 IP0 0xA9 0x00 Interrupt Priority Register 0 45 S0RELL 0xAA 0xD9 Serial Port 0, Reload Register, low byte 37 P3 0xB0 0xFF Port 3 36 IEN1 0xB8 0x00 Interrupt Enable Register 1 42 IP1 0xB9 0x00 Interrupt Priority Register 1 45 S0RELH 0xBA 0x03 Serial Port 0, Reload Register, high byte 37 S1RELH 0xBB 0x03 Serial Port 1, Reload Register, high byte 37 PDATA 0xBF 0x00 High address byte for MOVX@Ri - also called USR2 32 IRCON 0xC0 0x00 Interrupt Request Control Register 43 |
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