SC28L91 Philips Semiconductors, SC28L91 Datasheet - Page 37

• Manufacturer Part Number: SC28L91
• Description: 3.3V-5.0V Universal Asynchronous Receiver/Transmitter (UART)
• Manufacturer: Philips Semiconductors

Philips Semiconductors
2000 Sep 22
3.3V–5.0V Universal Asynchronous
Receiver/Transmitter (UART)
NOTES:
1. Timing shown for MR2(4) = 1.
2. Timing shown for MR2(5) = 1.
TRANSMITTER
ENABLED
TxRDY
CTSN
RTSN
(SR2)
(OP0)
WRN
(IP0)
TxD
1
2
OPR(0) = 1
D1
(1X OUTPUT)
(1X INPUT)
(INPUT)
RxC
RxD
D8
D1
TxC
TxC
TxD
Figure 12. Transmitter External Clocks
Figure 13. Receiver External Clock
Figure 14. Transmitter Timing
t
TXD
D2
(1 OR 16 CLOCKS)
D9
t
RXS
1 BIT TIME
BREAK
t
START
TCS
37
D3
t
RXH
D10
BREAK
BREAK
STOP
WRITTEN TO
SD00139
THE TxFIFO
D11 WILL
D4
SD00138
NOT BE
OPR(0) = 1
D12
Product specification
SC28L91
D6
SD00155