
Philips Semiconductors
Product specification
SC28L198
Octal UART for 3.3V and 5V supply voltage
1999 Jan 14
32
Table 44. Summary Register Map, Data
Address (hex) ccc = Channel
Register Name
Acronym
Read/Write
1ccc 0000 (x80)
Mode Register 2
MR2
R/W
1ccc 0001 (x81)
Status Register
SR
R
1ccc 0001 (x81)
Command Register
CR
W
1ccc 0010 (x82)
Interrupt Status Register
ISR
R
1ccc 0010 (x82)
Interrupt Mask Register
IMR
W
1ccc 0011 (x83)
Transmitter FIFO Register
TxFIFO
W
1ccc 0011 (x83)
Receiver FIFO Reg
RxFIFO
R
1ccc 0100 (x84)
Input Port Reg
IPR
R
1000 0100 (x84)
BRG Timer Reg Upper a
BRGTRUa
W
1ccc 0101 (x85)
I/O Port Interrupt and Output
I/OPIOR
R/W
1ccc 0110 (x86)
Xon/Xoff Interrupt Status Reg
XISR
R
1000 0111 (x87)
GP Out Select Reg
GPOSR
R/W
1000 1011 (x8B)
GP Out Clk Reg
GPOC
R/W
1000 1100 (x8C)
Update Current Interrupt Reg
UCIR
W
1000 1100 (x8C)
Current Interrupt Reg
CIR
R
1001 1101 (x9D)
BRG Timer Reg Upper b
BRGTRUb
W
1000 1110 (x8E)
Global Receive FIFO Reg
GRxFIFO
R
1000 1110 (x8E)
Global Transmit FIFO Reg
GTxFIFO
W
1000 1111 (x8F)
Global Chip Configuration Reg
GCCR
R/W
1001 0100 (x94)
BRG Timer Reg Lower a
BGRTRLa
W
1001 0111 (x97)
GP Output Reg
GPOR
R/W
1001 1011 (x9B)
GP Out Data Reg
GPOD
R/W
1001 1100 (x9C)
BRG Timer Control Reg
BRGTCR
W
1001 1100 (x9C)
Global Interrupt Channel Reg
GICR
R
1001 1101 (x9D)
BRG Timer Reg Lower b
BRGTRLb
W
1001 1101 (x9D)
Global Interrupt Byte Count
GIBCR
R
1001 1111 (x9F)
Global Interrupt Type Register
GITR
R
REGISTER MAP DETAIL
Table 45. Register Map, Control
NOTE: The register maps for channels A and B (UARTs A and B) contain some control registers that configure the entire chip. These are
denoted by a
symbol
A(7:0)
UART A
A(7:0)
Read
Write
0000 0000 (x00)
Mode Register 0 MR0a
Mode Register 0 MR0a
0000 0001 (x01)
Mode Register 1 MR1a
Mode Register 1 MR1a
0000 0010 (x02)
I/O Port Configuration Reg a I/OPCRa
I/O Port Configuration Reg a I/OPCRa
0000 0011 (x03)
BCRBRKa
BCRBRKa
0000 0100 (x04)
BCRCOSa
BCRCOSa
0000 0101 (x05)
Reserved
Reserved
0000 0110 (x06)
BCRXa
BCRXa
0000 0111 (x07)
BCRAa
BCRAa
0000 1000 (x08)
Xon Character Reg a (XonCRa)
Xon Character Reg a (XonCRa)
0000 1001 (x09)
Xoff Character Reg a (XoffCRa)
Xoff Character Reg a (XoffCRa)
0000 1010 (x0A)
Address Recognition Character a (ARCRa)
Address Recognition Character a (ARCRa)
0000 1011 (x0B)
Reserved
Reserved
0000 1100 (x0C)
Receiver Clock Select Register a (RxCSRa)
Receiver Clock Select Register a (RxCSRa)
0000 1101 (x0D)
Test Register
Test Register
0000 1110 (x0E)
Xmit Clock Select Register a TxCSRa)
Xmit Clock Select Register a TxCSRa)
0000 1111 (x0F)
Global Chip Configuration Reg(GCCR)
Global Chip Configuration Reg GCCR)