SC26C92 Datasheet, PDF (26/31 Pages) NXP Semiconductors – Dual universal asynchronous receiver/transmitter DUART

Philips Semiconductors
Dual universal asynchronous receiver/transmitter (DUART)
Product specification
SC26C92
RxD
D1
D2
RECEIVER
ENABLED
RxRDY
(SR0)
FFULL
(SR1)
RxRDY/
FFULL
(OP5)²
RDN
OVERRUN
(SR4)
STATUS DATA
D1
RTS¹
(OP0)
NOTES:
OPR(0) = 1
1. Timing shown for MR1(7) = 1.
2. Shown for OPCR(4) = 1 and MR(6) = 0.
D8
D9
D10
D11
D12
D13
D12, D13 WILL BE LOST
DUE TO RECEIVER DISABLE.
STATUS DATA STATUS DATA STATUS DATA
D11 WILL BE LOST
D2
DUE TO OVERRUN
D3
D10
RESET BY COMMAND
Figure 11. Receiver Timing
SD00156
MASTER STATION
TxD
BIT 9
ADD#1 1
TRANSMITTER
ENABLED
TxRDY
(SR2)
WRN
MR1(4–3) = 11
MR1(2) = 1
ADD#1 MR1(2) = 0 D0
BIT 9
D0 0
MR1(2) = 1 ADD#2
PERIPHERAL STATION
BIT 9
RxD
0
RECEIVER
ENABLED
RxRDY
(SR0)
RDN/WRN
MR1(4–3) = 11
BIT 9
ADD#1 1
BIT 9
D0 0
ADD#1
STATUS DATA
D0
Figure 12. Wake-Up Mode
BIT 9
ADD#2 1
BIT 9
ADD#2 1
BIT 9
0
STATUS DATA
ADD#2
SD00096
2000 Jan 31
26