OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

SC68C652BIB48,128

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P43
SC68C652B_2 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 02 — 2 November 2009 34 of 43
NXP Semiconductors
SC68C652B
Dual UART with 32-byte FIFOs and IrDA encoder/decoder
Fig 11. Receive ready timing in FIFO mode
D0 D1 D2 D3 D4 D5 D6 D7
002aab092
first byte that
reaches the
trigger level
Stop
bit
parity
bit
t
d15
RXA, RXB
RXRDYA,
RXRDYB
CS (read)
active data
ready
Start
bit
data bits (0 to 7)
active
t
d16
Fig 12. Transmit timing
D0 D1 D2 D3 D4 D5 D6 D7
active
transmitter ready
active
16 baud rate clock
002aab093
t
d14
Start
bit
t
d12
TXA, TXB
IRQ
CS (write)
data bits (0 to 7)
active
t
d13
5 data bits
6 data bits
7 data bits
parity
bit
Stop
bit
next
data
Start
bit
SC68C652B_2 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 02 — 2 November 2009 35 of 43
NXP Semiconductors
SC68C652B
Dual UART with 32-byte FIFOs and IrDA encoder/decoder
Fig 13. Transmit ready timing in non-FIFO mode
D0 D1 D2 D3 D4 D5 D6 D7
002aab094
Start
bit
t
d17
TXA,
TXB
TXRDYA,
TXRDYB
CS (write)
data bits (0 to 7)
active
D0 to D7 byte #1
t
d18
transmitter
not ready
active
transmitter ready
parity
bit
Stop
bit
next
data
Start
bit
Fig 14. Transmit ready timing in FIFO mode
D0 D1 D2 D3 D4 D5 D6 D7
002aab095
Stop
bit
parity
bit
t
d17
TXA,
TXB
CS (write)
D0 to D7
Start
bit
data bits (0 to 7)
byte #32
TXRDYA,
TXRDYB
t
d18
trigger
lead
active
5 data bits
6 data bits
7 data bits
SC68C652B_2 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 02 — 2 November 2009 36 of 43
NXP Semiconductors
SC68C652B
Dual UART with 32-byte FIFOs and IrDA encoder/decoder
Fig 15. Infrared transmit timing
01010011 10
UART frame
TX data
1
/
2
bit time
002aaa212
data bitsstart stop
bit
time
IrDA TX data
3
/
16
bit time
Fig 16. Infrared receive timing
01010011 10
UART frame
RX data
IrDA RX data
bit
time
002aaa213
start data bits stop
0 to 1 16× clock delay
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P43

SC68C652BIB48,128

Mfr. #:
Buy SC68C652BIB48,128
Manufacturer:
NXP Semiconductors
Description:
IC UART DUAL 48LQFP
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet