ST16C450CQ48-F Exar Corporation, ST16C450CQ48-F Datasheet - Page 17

• Manufacturer Part Number: ST16C450CQ48-F
• Description: IC UART SINGLE 48TQFP
• Manufacturer: Exar Corporation
• Type: UARTsr

Specifications of ST16C450CQ48-F

• Package / Case: 48-TQFP
• Features: *
• Number Of Channels: 1, UART
• Fifo's: 1 Byte
• Voltage - Supply: 2.97 V ~ 5.5 V
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• With Cmos: Yes
• Mounting Type: Surface Mount
• Data Rate: 1.5 Mbps
• Supply Current: 3 mA
• Maximum Operating Temperature: 0 C
• Minimum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 7 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Scratchpad Register (SPR)
The ST16C450 provides a temporary data register to
store 8 bits of user information.
ST16C450 EXTERNAL RESET CONDITIONS
REGISTERS
IER
ISR
LCR, MCR
LSR
MSR
SIGNALS
T X
-OP1
-OP2
-RTS
-DTR
CSOUT
INT
Rev. 4.20
MSR BITS 0-3 = logic 0,
RESET STATE
RESET STATE
IER BITS 0-7 = logic 0
ISR BIT-0=1, ISR BITS 1-7 = logic
0
BITS 0-7 = logic 0
LSR BITS 0-4 = logic 0,
LSR BITS 5-6 = logic 1 LSR, BIT
7 = logic 0
MSR BITS 4-7 = logic levels of the
input signals
Logic 1
Logic 1
Logic 1
Logic 1
Logic 1
Logic 0
Logic 0
17
ST16C450