SC16C852IBS,157 NXP Semiconductors, SC16C852IBS,157 Datasheet - Page 3

• Manufacturer Part Number: SC16C852IBS,157
• Description: IC UART DUAL W/FIFO 32HVQFN
• Manufacturer: NXP Semiconductors

Specifications of SC16C852IBS,157

• Features: Programmable
• Number Of Channels: 2, DUART
• Fifo's: 128 Byte
• Protocol: RS485
• Voltage - Supply: 2.5 V ~ 3.3 V
• With Auto Flow Control: Yes
• With Irda Encoder/decoder: Yes
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• With Cmos: Yes
• Mounting Type: Surface Mount
• Package / Case: 32-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NXP Semiconductors
4. Block diagram
SC16C852_1
Product data sheet
Fig 1.
RXRDYA, RXRDYB
TXRDYA, TXRDYB
INTA, INTB
LOWPWR
Block diagram of SC16C852 (16 mode)
D0 to D7
A0 to A2
RESET
CSA
CSB
IOW
IOR
SC16C852
INTERRUPT
REGISTER
CONTROL
CONTROL
CONTROL
DATA BUS
POWER-
SELECT
LOGIC
LOGIC
LOGIC
DOWN
AND
Rev. 01 — 31 August 2009
Dual UART with 128-byte FIFOs and IrDA encoder/decoder
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
IR
IR
002aad893
SC16C852
© NXP B.V. 2009. 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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