sc16c852 NXP Semiconductors, sc16c852 Datasheet - Page 19

• Manufacturer Part Number: sc16c852
• Description: 2.5 V To 3.3 V Dual Uart, 5 Mbit/s Max. With 128-byte Fifos, Infrared Irda And 16 Mode Or 68 Mode Bus Interface
• Manufacturer: NXP Semiconductors

NXP Semiconductors
SC16C852_1
Product data sheet
Fig 8.
RXRDYA, RXRDYB
TXRDYA, TXRDYB
LOWPWR
INTA, INTB
D0 to D7
Internal Loopback mode diagram
A0 to A2
RESET
CSA
CSB
IOW
IOR
SC16C852
INTERRUPT
REGISTER
CONTROL
CONTROL
CONTROL
DATA BUS
POWER-
SELECT
LOGIC
LOGIC
DOWN
LOGIC
AND
Rev. 01 — 31 August 2009
Dual UART with 128-byte FIFOs and IrDA encoder/decoder
XTAL1
GENERATOR
REGISTERS
REGISTERS
CLOCK AND
BAUD RATE
TRANSMIT
CONTROL
CONTROL
RECEIVE
LOGIC
LOGIC
FLOW
FLOW
FIFO
FIFO
XTAL2
TRANSMIT
REGISTER
REGISTER
RECEIVE
CONTROL
SHIFT
SHIFT
MODEM
LOGIC
ENCODER
DECODER
IR
IR
002aad899
SC16C852
© NXP B.V. 2009. All rights reserved.
TXA, TXB
RXA, RXB
RTSA, RTSB
CTSA, CTSB
DTRA, DTRB
DSRA, DSRB
(OP1A, OP1B)
RIA, RIB
(OP2A, OP2B)
CDA, CDB
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