Philips Semiconductors
Preliminary specification
Quad UART for 3.3V and 5V supply voltage
SC28L194
R
Receiver, 8
Receiver FIFO, 9, 24
Receiver Status Bits, 8
REGISTER DESCRIPTIONS, 15
Register Map, 30
Register Map, Control, 30, 32
Register Map, Data, 31, 34
Reset Conditons, 36
RxCSR, 20
RxFIFO, 24
U
UCIR, 26
Update CIR, 11, 26
W
Wake-up Mode, 10, 13
Wake-up, Default, 13
Watch鈥揹og Timer, 13
Watch鈥揹og Timer Enable Register, 25
WDTRCR, 25
S
Sclk, 5
SR, 22
Synchronous bus cycle, 5
System Clock, 6
X
XISR, 25
Xoff Character Register, 24
XoffCR, 24
Xon/Xoff characters, 14
Xon Character Register, 24
Xon/Xoff Interrupt Status Register, 25
Xon/Xoff modes, 15
Xon/Xoff Operation, 14
XonCR, 24
T
Timing Circuits, 5
Transmitter, 7
Transmitter FIFO, 8, 24
Tx, Status Bits, 7
TxCSR, 20
TxEMT, 7
TxFIFO, 24
TxRDY, 7
1998 Sep 21
48