SC16C852L NXP Semiconductors, SC16C852L Datasheet - Page 3

• Manufacturer Part Number: SC16C852L
• Description: 16 mode or 68 mode bus interface
• Manufacturer: NXP Semiconductors

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4. Block diagram
SC16C852L_3
Product data sheet
Fig 1. Block diagram of SC16C852L (16 mode)
RXRDYA, RXRDYB
TXRDYA, TXRDYB
INTA, INTB
LOWPWR
D0 to D7
A0 to A2
RESET
CSA
CSB
IOW
IOR
SC16C852L
INTERRUPT
REGISTER
CONTROL
CONTROL
CONTROL
DATA BUS
POWER-
SELECT
LOGIC
LOGIC
LOGIC
DOWN
AND
1.8 V dual UART with 128-byte FIFOs and IrDA encoder/decoder
Rev. 03 — 18 January 2008
XTAL1
GENERATOR
CLOCK AND
BAUD RATE
TRANSMIT
REGISTER
REGISTER
CONTROL
CONTROL
RECEIVE
LOGIC
LOGIC
FLOW
FLOW
FIFO
FIFO
XTAL2
TRANSMIT
REGISTER
REGISTER
RECEIVE
SHIFT
SHIFT
CONTROL
MODEM
LOGIC
ENCODER
DECODER
SC16C852L
IR
IR
002aac403
© NXP B.V. 2008. All rights reserved.
TXA, TXB
RXA, RXB
DTRA, DTRB
RTSA, RTSB
OP2A, OP2B
CTSA, CTSB
RIA, RIB
CDA, CDB
DSRA, DSRB
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