sc68c652b NXP Semiconductors, sc68c652b Datasheet - Page 34

• Manufacturer Part Number: sc68c652b
• Description: Sc68c652b 5 V, 3.3 V And 2.5 V Dual Uart, 5 Mbit/s Max. With 32-byte Fifos, Irda Encoder/decoder, And Motorola Up Interface
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9397 750 14657
Product data sheet
Fig 13. Transmit ready timing in non-FIFO mode
Fig 14. Transmit ready timing in FIFO mode
CS (write)
TXRDYA,
CS (write)
D0 to D7
TXRDYB
TXRDYA,
TXRDYB
D0 to D7
TXA,
TXB
TXA,
TXB
active
byte #32
byte #1
active
t
d17
Start
Start
bit
bit
D0
D0
trigger
lead
t
d18
D1
D1
Rev. 01 — 25 April 2005
5 data bits
6 data bits
7 data bits
D2
D2
Dual UART with 32-byte FIFOs and IrDA encoder/decoder
data bits (0 to 7)
data bits (0 to 7)
D3
D3
transmitter ready
t
d17
active
D4
D4
D5
D5
D6
D6
D7
D7
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
parity
parity
bit
bit
SC68C652B
Stop
Stop
bit
bit
transmitter
not ready
Start
data
next
bit
002aab095
t
d18
002aab094
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