sc68c652b NXP Semiconductors, sc68c652b Datasheet - Page 33

• 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 11. Receive ready timing in FIFO mode
Fig 12. Transmit timing
RXA, RXB
TXA, TXB
CS (write)
RXRDYA,
CS (read)
RXRDYB
IRQ
active
Start
Start
bit
bit
t
t
d12
d13
D0
D0
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
16 baud rate clock
data bits (0 to 7)
data bits (0 to 7)
D3
D3
D4
D4
D5
D5
TX ready
active
D6
D6
D7
D7
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
parity
parity
bit
bit
SC68C652B
Stop
Stop
bit
bit
first byte that
reaches the
trigger level
active data
Start
next
data
t
t
t
ready
d16
bit
d14
active
active
d15
002aab092
002aab093
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