sc16c554dbib64 NXP Semiconductors, sc16c554dbib64 Datasheet - Page 26

• Manufacturer Part Number: sc16c554dbib64
• Description: 5 V, 3.3 V And 2.5 V Quad Uart, 5 Mbit/s Max. With 16-byte Fifos
• Manufacturer: NXP Semiconductors

Philips Semiconductors
SC16C554B_554DB_3
Product data sheet
Fig 17. Internal loop-back mode diagram (68 mode) for HVQFN48 package
D0 to D7
A0 to A4
RESET
16/68
R/W
IRQ
CS
SC16C554B/554DB (HVQFN48)
INTERRUPT
REGISTER
CONTROL
DATA BUS
CONTROL
SELECT
LOGIC
LOGIC
LOGIC
AND
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
Rev. 03 — 1 September 2005
XTAL1
REGISTERS
REGISTERS
GENERATOR
CLOCK AND
TRANSMIT
BAUD RATE
CONTROL
CONTROL
RECEIVE
LOGIC
LOGIC
FLOW
FLOW
FIFO
FIFO
XTAL2
TRANSMIT
REGISTER
REGISTER
SC16C554B/554DB
RECEIVE
CONTROL
SHIFT
SHIFT
MODEM
LOGIC
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
002aab555
RTSC
CTSC
DTRC
DSRC
OP1C
RIC
OP2C
CDC
TXA to TXD
RXA to RXD
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