SC28L91A1A-S NXP Semiconductors, SC28L91A1A-S Datasheet - Page 6

• Manufacturer Part Number: SC28L91A1A-S
• Manufacturer: NXP Semiconductors

Specifications of SC28L91A1A-S

• Transmit Fifo: 16Byte
• Receive Fifo: 16Byte
• Transmitter And Receiver Fifo Counter: Yes
• Operating Supply Voltage (typ): 3.3/5V
• Package Type: PLCC
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 3V
• Mounting: Surface Mount
• Pin Count: 44
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Number Of Channels: 1
• Lead Free Status / RoHS Status: Compliant

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