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User’s Manual 329
I/O Bank User Enable Register IBUER 0x0380 W 00000000
PWM User Enable Register PWUER 0x0388 W 00000000
Quad Decode User Enable Register QDUER 0x0390 W 00000000
External Interrupt User Enable Register IUER 0x0398 W 00000000
Timer A User Enable Register TAUER 0x03A0 W 00000000
Timer B User Enable Register TBUER 0x03B0 W 00000000
Serial Port A User Enable Register SAUER 0x03C0 W 00000000
Serial Port E User Enable Register SEUER 0x03C8 W 00000000
Serial Port B User Enable Register SBUER 0x03D0 W 00000000
Serial Port F User Enable Register SFUER 0x03D8 W 00000000
Serial Port C User Enable Register SCUER 0x03E0 W 00000000
Serial Port D User Enable Register SDUER 0x03F0 W 00000000
Enable Dual Mode Register EDMR 0x0420 W 00000000
Slave Port Data 0 Register SPD0R 0x0020 R/W xxxxxxxx
Slave Port Data 1 Register SPD1R 0x0021 R/W xxxxxxxx
Slave Port Data 2 Register SPD2R 0x0022 R/W xxxxxxxx
Slave Port Status Register SPSR 0x0023 R 00000000
Slave Port Control Register SPCR 0x0024 R/W 0xx00000
Port A Data Register PADR 0x0030 R/W xxxxxxxx
Port B Data Register PBDR 0x0040 R/W 00xxxxxx
Port B Data Direction Register PBDDR 0x0047 W 11000000
Port C Data Register PCDR 0x0050 R/W x0x1x1x1
Port C Function Register PCFR 0x0055 W x0x0x0x0
Port D Data Register PDDR 0x0060 R/W xxxxxxxx
Port D Control Register PDCR 0x0064 W xx00xx00
Port D Function Register PDFR 0x0065 W xxxxxxxx
Port D Drive Control Register PDDCR 0x0066 W xxxxxxxx
Port D Data Direction Register PDDDR 0x0067 W 00000000
Port D Bit 0 Register PDB0R 0x0068 W xxxxxxxx
Port D Bit 1 Register PDB1R 0x0069 W xxxxxxxx
Table D-1. Rabbit 3000A Internal I/O Registers (continued)
Register Name Mnemonic I/O Address R/W Reset