Philips Semiconductors Product data sheet
SC28L198Octal UART for 3.3 V and 5 V supply voltage
2006 Aug 10
31
4:1 MULTIPLEX
“1”
“0”
NONE
1/O3a
D CLOCK
QN
D INPUT
DATA READ/WRITE
DATA IN/OUT
GPORQN
DATA BUS 3:0
GPOR R/W
GPOR
GPOD
GPOSR
1/O3b
G
IN
0
G
IN
1
4:1 MULTIPLEX
GPO PIN
8:1 MULTIPLEX
TxC1Xa
TxC16Xa
RxC16Xa
TxC16Xb
GPOR(0)
GPOR(1)
GPOR(2)
GPOR(3)
SD00526
GPOC
4
4
4
Figure 1. General Purpose Pin Control Logic
REGISTER MAPS
The registers of the SC28L198 are partitioned into two groups: those
used in controlling data channels and those used in handling the
actual data flow and status. Below is shown the general
configuration of all the register addressed. The ”Register Map
Summary” shows the configuration of the lower four bits of the
address that is the same for the individual UARTs. It also shows the
addresses for the several in the address space of UART A and
UART B that apply to the total chip configuration. The ”Register
Map Detail” shows the use of every address in the 8 bit address
space.
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.
REGISTER MAP SUMMARY
Table 43. Summary Register Map, Control
Address (hex) ccc = channel Register Name Acronym Read / Write
0ccc 0000 (x00) Mode Register 0 MR0a MR0 R/W
0ccc 0001 (x01) Mode Register 1 MR1a MR1 R/W
0ccc 0010 (x02) I/O Port Configuration Reg a I/OPCRa IOPCR R/W
0ccc 0011 (x03) Bid Control, Break Change BCRBRK R/W
0ccc 0100 (x04) Bid Control, Change of State BCRCOS R/W
0ccc 0110 (x06) Bid Control, Xon/Xoff BCRX R/W
0ccc 0111 (x07) Bid Control, Address recognition BCRA R/W
0ccc 1000 (x08) Xon Character Register XonCR R/W
0ccc 1001 (x09) Xoff Character Register XoffCR R/W
0ccc 1010 (x0A) Address Recognition Character ARCR R/W
0ccc 1100 (x0C) Receiver Clock Select Register RxCSR R/W
0000 1101 (x0D) Test Register Reserved, set to 0
0ccc 1110 (x0E) Transmitter Clock Select Register TxCSR R/W
0000 1111 (x0F) Global Chip Configuration Register GCCR R/W
0001 1011 (x1B) Interrupt Control Register ICR R/W
0001 1101 (x1D) Watch-dog Timer Run Control WDTRCR R/W
0001 1111 (x1F) Interrupt Vector Register IVR R/W
Philips Semiconductors Product data sheet
SC28L198Octal UART for 3.3 V and 5 V supply voltage
2006 Aug 10
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)
Philips Semiconductors Product data sheet
SC28L198Octal UART for 3.3 V and 5 V supply voltage
2006 Aug 10
33
A(7:0)
UART B
A(7:0)
Read Write
0001 0000 (x10) Mode Register 0 MR0b Mode Register 0 MR0b
0001 0001 (x11) Mode Register 1 MR1b Mode Register 1 MR1b
0001 0010 (x12) I/O Port Configuration Reg b I/OPCRb I/O Port Configuration Reg b I/OPCRb
0001 0011 (x13) BCRBRKb BCRBRKb
0001 0100 (x14) BCRCOSb BCRCOSb
0001 0101 (x15) Reserved Reserved
0001 0110 (x16) BCRXb BCRXb
0001 0111 (x17) BCRAb BCRAb
0001 1000 (x18) Xon Character Reg b (XonCRb) Xon Character Reg b (XonCRb)
0001 1001 (x19) Xoff Character Reg b (XoffCRb) Xoff Character Reg b (XoffCRb)
0001 1010 (x1A) Address Recognition Character b (ARCRb) Address Recognition Character b (ARCRb)
0001 1011 (x1B) Interrupt Control Register (ICR) Interrupt Control Register (ICR)
0001 1100 (x1C) Receiver Clock Select Register b (RxCSRb) Receiver Clock Select Register b (RxCSRb)
0001 1101 (x1D) Watch-dog Timer Run Control (WDTRCR) Watch-dog Timer Run Control (WDTRCR)
0001 1110 (x1E) Xmit Clock Select Register b (TxCSRb) Xmit Clock Select Register b (TxCSRb)
0001 1111 (x1F) Interrupt Vector Register (IVR) Interrupt Vector Register (IVR)
A(7:0)
UART C
A(7:0)
Read Write
0010 0000 (x20) Mode Register 0 MR0c Mode Register 0 MR0c
0010 0001 (x21) Mode Register 1 Mode Register 1 MR1c
0010 0010 (x22) I/O Port Configuration Reg c I/OPCRc I/O Port Configuration Reg c I/OPCRc
0010 0011 (x23) BCRBRKc BCRBRKc
0010 0100 (x24) BCRCOSc BCRCOSc
0010 0101 (x25) Reserved Reserved
0010 0110 (x26) BCRXc BCRXc
0010 0111 (x27) BCRAc BCRAc
0010 1000 (x28) Xon Character Reg c (XonCRc) Xon Character Reg c (XonCRc)
0010 1001 (x29) Xoff Character Reg c (XoffCRc) Xoff Character Reg c (XoffCRc)
0010 1010 (x2A) Address Recognition Character c (ARCRc) Address Recognition Character c (ARCRc)
0010 1011 (x2B) Reserved Reserved
0010 1100 (x2C) Receiver Clock Select Register c (RxCSRc) Receiver Clock Select Register c (RxCSRc)
0010 1101 (x2D) Reserved Reserved
0010 1110 (x2E) Xmit Clock Select Register c (TxCSRc) Xmit Clock Select Register c (TxCSRc)
0010 1111 (x2F) Reserved Reserved

SC28L198A1BE,528

Mfr. #:
Manufacturer:
NXP Semiconductors
Description:
UART Interface IC 3V-5V 8CH UART INTEL/MOT INTRF
Lifecycle:
New from this manufacturer.
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