SC16C850 Datasheet, PDF (17/53 Pages) NXP Semiconductors – 2.5 V to 3.3 V UART, 5 Mbit/s (max.) with 128-byte FIFOs, infrared (IrDA), and 16 mode or 68 mode parallel bus interface

NXP Semiconductors
SC16C850
2.5 V to 3.3 V UART with 128-byte FIFOs and IrDA encoder/decoder
SC16C850
D0 to D7
IOR
IOW
RESET
DATA BUS
AND
CONTROL
LOGIC
A0 to A2
CS
REGISTER
SELECT
LOGIC
LOWPWR
POWER-
DOWN
CONTROL
INT
(IRQ)
INTERRUPT
CONTROL
LOGIC
Fig 9. Internal Loopback mode diagram
TRANSMIT
TRANSMIT
FIFO
SHIFT
TX
REGISTERS
REGISTER
FLOW
CONTROL
LOGIC
IR
ENCODER
RECEIVE
RECEIVE
FIFO
REGISTERS
SHIFT
REGISTER
RX
FLOW
CONTROL
LOGIC
CLOCK AND
BAUD RATE
GENERATOR
XTAL1 XTAL2
IR
DECODER
MODEM
CONTROL
LOGIC
OP1
OP2
RTS
CTS
DTR
DSR
RI
CD
002aad026
SC16C850_1
Product data sheet
Rev. 01 — 10 January 2008
© NXP B.V. 2008. All rights reserved.
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