SC28L91A1B,528 NXP Semiconductors, SC28L91A1B,528 Datasheet - Page 6

• Manufacturer Part Number: SC28L91A1B,528
• Description: IC UART SINGLE W/FIFO 44PQFP
• Manufacturer: NXP Semiconductors
• Series: IMPACTr

Specifications of SC28L91A1B,528

• Features: False-start Bit Detection
• Number Of Channels: 1, UART
• Fifo's: 16 Byte
• Voltage - Supply: 3.3V, 5V
• With Auto Flow Control: Yes
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• With Cmos: Yes
• Mounting Type: Surface Mount
• Package / Case: 44-MQFP, 44-PQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935267419528; SC28L91A1B-T; SC28L91A1B-T

Philips Semiconductors
2004 Oct 21
3.3 V or 5.0 V Universal Asynchronous
Receiver/Transmitter (UART)
RESET
X1/CLK
INTRN
D0–D7
A0–A3
WRN
CEN
RDN
X2
4
8
OPERATION CONTROL
INTERRUPT CONTROL
R/W CONTROL
GENERATOR
SELECTORS
BUS BUFFER
BAUD RATE
COUNTER/
XTAL OSC
ADDRESS
DECODE
TIMING
CLOCK
TIMER
CSR
ACR
CTU
CTL
IMR
ISR
GP
Figure 1. Block Diagram (80XXX mode)
6
16 BYTE TRANSMIT
WATCH DOG TIMER
16 BYTE RECEIVE
SHIFT REGISTER
DATA CHANNEL
SELECT LOGIC
DETECTORS (4)
RECEIVE SHIFT
OUTPUT PORT
INPUT PORT
CHANGE OF
TRANSMIT
FUNCTION
REGISTER
MRA0, 1, 2
STATE
OPCR
FIFO
FIFO
IPCR
ACR
OPR
CRA
SRA
7
8
SC28L91
Product data sheet
SD00702
TxDA
RxDA
IP0-IP6
OP0-OP7
V
V
CC
SS