SC28L194A1BE,551 NXP Semiconductors, SC28L194A1BE,551 Datasheet - Page 46

• Manufacturer Part Number: SC28L194A1BE,551
• Description: IC UART QUAD W/FIFO 80-LQFP
• Manufacturer: NXP Semiconductors

Specifications of SC28L194A1BE,551

• Features: False-start Bit Detection
• Number Of Channels: 4, QUART
• Fifo's: 16 Byte
• Voltage - Supply: 3.3V, 5V
• With Auto Flow Control: Yes
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• With Cmos: Yes
• Mounting Type: Surface Mount
• Package / Case: 80-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935262730551; SC28L194A1BE-S; SC28L194A1BE-S

Philips Semiconductors
Note: CEN must not be active during an IACKN cycle. If CEN is
active IACKN will be ignored and a normal read or write will be
executed according to W_RN.
In the synchronous mode extended IACKN signal cycle will start
another IACKN. (This may not be desired, but is allowed.)
2006 Aug 15
Quad UART for 3.3 V and 5 V supply voltage
1X DATA CLOCK
Figure 11. Counter/Timer Baud Rate Clock, External
T/RF
T/RF
SCLK
SCLK
T/RF
Figure 13. Transmitter and Receiver Timing
Figure 12. Tx/Rx Clock Timing, External
RxD
TxD
Figure 10. SCLK Timing
t
SCLKH
TC/TH
TC/TH
t
TXD
46
f
FC/T
Frx
Ftx
SCLK
t
RXS
t
SCLKL
TC/TL
Trx
Ttx
t
RXH
SD00199
TC/TO
TC/TO
SD00201
SD00200
SD00202
SC28L194
Product data sheet