Philips Semiconductors Product data sheet
SC28L198Octal UART for 3.3 V and 5 V supply voltage
2006 Aug 10
37
Table 46. Register Map, Data
UART A
Read Write
1000 0000 (x80) Mode Register a (MR2a) Mode Register a (MR2a)
1000 0001 (x81) Status Register a (SRa) Command Register a (CRa)
1000 0010 (x82) Interrupt Status Register a (ISRa) Interrupt Mask Register a (IMRa)
1000 0011 (x83) Receiver FIFO Reg a (RxFIFOa) Transmitter FIFO Reg a (TxFIFOa)
1000 0100 (x84) Reserved ♣ BRG Timer Reg Upper a (BRGTRUa)
1000 0100 (x84) Input Port Reg a (IPRa) Reserved
1000 0101 (x85) I/O Port Interrupt and Output a I/OPIORa) I/O Port Interrupt and Output a (I/OPIORa)
1000 0110 (x86) Xon/Xoff Interrupt Status Reg a (XISRa) Reserved
1000 0111 (x87) ♣ GP Out Select Reg (GPOSR) GP Out Select Reg (GPOSR)
1000 1011 (x8B) ♣ GP Out Clk Reg (GPOC) GP Out Clk Reg (GPOC)
1000 1100 (x8C) ♣ Current Interrupt Reg (CIR) ♣ Update CIR
1000 1101 (x8D) Reserved ♣ BRG Timer Reg Upper b (BRGTRUb)
1000 1110 (x8E) ♣ Global Receive FIFO Reg (GRxFIFO) ♣ Global Transmit FIFO Reg (GTxFIFO)
1000 1111 (x8F) ♣ Global Chip Configuration Reg (GCCR) ♣ Global Chip Configuration Reg (GCCR)
UART B
Read Write
1001 0000 (x90) Mode Register b (MR2b) Mode Register b (MR2b)
1001 0001 (x91) Status Register b (SRb) Command Register b (CRb)
1001 0010 (x92) Interrupt Status Register b (ISRb) Interrupt Mask Register b (IMRb)
1001 0011 (x93) Receiver FIFO Reg b (RxFIFOb) Transmitter FIFO Reg b (TxFIFOb)
1001 0100 (x94) Reserved ♣ BRG Timer Reg Lower a (BRGTRLa)
1001 0100 (x94) Input Port Reg b (IPRb) Reserved
1001 0101 (x95) I/O Port Interrupt and Output b (I/OPIORb) I/O Port Interrupt and Output b (I/OPIORb)
1001 0110 (x96) Xon/Xoff Interrupt Status Reg b (XISRb) Reserved
1001 0111 (x97) ♣ GP Output Reg (GPOR) ♣ GP Output Reg (GPOR)
1001 1010 (x9A) Reserved Reserved
1001 1011 (x9B) ♣ GP Out Data Reg (GPOD) ♣ GP Out Data Reg (GPOD)
1001 1100 (x9C) Reserved ♣ BRG Timer Control Reg (BRGCTCR)
1001 1100 (x9C) ♣ Global Interrupt Channel Reg (GICR) Reserved
1001 1101 (x9D) Reserved ♣ BRG Timer Reg Lower b (BRGTRLb)
1001 1101 (x9D) ♣ Global Interrupt Byte Count (GIBCR) Reserved
1001 1110 (x9E) Reserved Reserved
1001 1111 (x9F) ♣ Global Interrupt Type Register (GITR) Reserved