SC16C754B NXP Semiconductors, SC16C754B Datasheet - Page 3

• Manufacturer Part Number: SC16C754B
• Description: 5 V - 3.3 V and 2.5 V quad UART - 5 Mbit/s (max.)
• Manufacturer: NXP Semiconductors

NXP Semiconductors
4. Block diagram
SC16C754B_4
Product data sheet
Fig 1.
INTA to INTD
CSA to CSD
D0 to D7
A0 to A2
INTSEL
RXRDY
RESET
TXRDY
Block diagram of SC16C754B
IOW
IOR
SC16C754B
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 64-byte FIFOs
Rev. 04 — 6 October 2008
XTAL1
REGISTERS
REGISTERS
TRANSMIT
CONTROL
CONTROL
RECEIVE
GENERATOR
CLOCK AND
BAUD RATE
LOGIC
LOGIC
FLOW
FLOW
FIFO
FIFO
XTAL2
CLKSEL
TRANSMIT
REGISTER
REGISTER
RECEIVE
CONTROL
SHIFT
SHIFT
MODEM
LOGIC
002aaa866
SC16C754B
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© NXP B.V. 2008. All rights reserved.
TXA to TXD
RXA to RXD
DTRA to DTRD
RTSA to RTSD
CTSA to CTSD
RIA to RID
CDA to CDD
DSRA to DSRD
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