ST16C2550CQ48-F Exar Corporation, ST16C2550CQ48-F Datasheet - Page 33

• Manufacturer Part Number: ST16C2550CQ48-F
• Description: IC DUART FIFO 16B 48TQFP
• Manufacturer: Exar Corporation
• Type: RS- 232 or RS- 485r

Specifications of ST16C2550CQ48-F

• Number Of Channels: 2, DUART
• Package / Case: 48-TQFP
• Features: *
• Fifo's: 16 Byte
• Protocol: RS232, RS485
• 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: 4 Mbps
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.97 V
• Supply Current: 3 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 3.3 V or 5 V
• No. Of Channels: 2
• Supply Voltage Range: 2.97V To 5.5V
• Operating Temperature Range: 0°C To +70°C
• Digital Ic Case Style: TQFP
• No. Of Pins: 48
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 1016-1255

REV. 4.4.1
F
IGURE
(Unloading)
(Loading data
*INT is cleared when the ISR is read or when there is at least one character in the FIFO.
22. T
into FIFO)
TX
INT*
TXRDY#
IOW#
RANSMIT
TX FIFO
Empty
enabled
IER[1]
R
EADY
Start
& I
Bit
ISR is read
S
D0:D7
NTERRUPT
T
WRI
Stop
Bit
T
longer empty
TX FIFO no
T
S
IMING
D0:D7
[FIFO M
T
S
TX FIFO
33
Full
D0:D7
ODE
T
, DMA M
T
2.97V TO 5.5V DUART WITH 16-BYTE FIFO
SRT
T
S
D0:D7
ODE
T
WT
T
E
S
NABLED
D0:D7
T
]
empty location
FOR
At least 1
in FIFO
T
SI
C
S
HANNELS
Last Data Byte
ST16C2550
Transmitted
D0:D7
TXDMA
TX FIFO
Empty
T
A & B