SC28L91A1B,551 NXP Semiconductors, SC28L91A1B,551 Datasheet - Page 7

• Manufacturer Part Number: SC28L91A1B,551
• Description: IC UART SINGLE W/FIFO 44-PQFP
• Manufacturer: NXP Semiconductors
• Series: IMPACTr
• Type: Single Channel UARTr

Specifications of SC28L91A1B,551

• Number Of Channels: 1, UART
• Package / Case: 44-MQFP, 44-PQFP
• Features: False-start Bit Detection
• 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
• Data Rate: 0.2304 MBd
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 3 V
• Supply Current: 25 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 3.3 V or 5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-1187; 935267419551; SC28L91A1B-S

Philips Semiconductors
2004 Oct 21
3.3 V or 5.0 V Universal Asynchronous
Receiver/Transmitter (UART)
RESETN
DACKN
X1/CLK
INTRN
D0–D7
IACKN
A0–A3
R/WN
CEN
X2
4
8
OPERATION CONTROL
INTERRUPT CONTROL
R/W CONTROL
BUS BUFFER
SELECTORS
GENERATOR
BAUD RATE
COUNTER/
ADDRESS
XTAL OSC
DECODE
CLOCK
TIMING
TIMER
IMR
CSR
ACR
CTU
ISR
IVR
CTL
Figure 2. Block Diagram (68XXX mode)
7
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
FUNCTION
TRANSMIT
REGISTER
MRA0, 1, 2
OPCR
STATE
FIFO
FIFO
OPR
CRA
SRA
IPCR
ACR
6
8
SC28L91
Product data sheet
SD00703
TxDA
RxDA
IP0-IP5
OP0-OP7
V
V
CC
SS