XR16L580 Exar Corporation, XR16L580 Datasheet - Page 34

• Manufacturer Part Number: XR16L580
• Description: Smallest 2.25 to 5.5V Uart With 16-Byte Fifo And Power-save
• Manufacturer: Exar Corporation

XR16L580
SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE
ABSOLUTE MAXIMUM RATINGS
TYPICAL PACKAGE THERMAL RESISTANCE DATA
Power Supply Range
Voltage at Any Pin
Operating Temperature
Storage Temperature
Package Dissipation
Thermal Resistance (48-TQFP)
Thermal Resistance (32-QFN)
DLM and DLL
I/O SIGNALS
REGISTERS
XOFF1
XOFF2
XON1
XON2
DTR#
RTS#
RHR
MCR
MSR
THR
FCR
SPR
LCR
LSR
EFR
T
IER
ISR
INT
TX
ABLE
11: UART RESET CONDITIONS FOR CHANNEL A AND B
Bits 15-0 = 0x0001. Resets upon power up only and not when only
the Reset Pin is asserted.
Bits 7-0 = 0xXX
Bits 7-0 = 0xXX
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x01
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x60
Bits 3-0 = Logic 0
Bits 7-4 = Logic levels of the inputs inverted
Bits 7-0 = 0xFF
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Logic 1
Logic 1
Logic 1
Three-State Condition
34
RESET STATE
RESET STATE
theta-ja =59
theta-ja = 40
(
MARGIN OF ERROR: ± 15%
GND-0.3 V to 7 V
-65
-40
o
o
C/W, theta-jc = 16
C/W, theta-jc = 13
o
500 mW
o
7 Volts
to +150
to +85
o
o
C
C
áç
áç
áç
áç
)
o
o
C/W
C/W
REV. 1.2.0