xr16l2552im Exar Corporation, xr16l2552im Datasheet - Page 35

• Manufacturer Part Number: xr16l2552im
• Description: Industry Smallest Package Uart With 2.25v To 5.5v Operation
• Manufacturer: Exar Corporation

xr
REV. 1.1.1
TYPICAL PACKAGE THERMAL RESISTANCE DATA (MARGIN OF ERROR: ± 15%)
Thermal Resistance (48-TQFP)
Thermal Resistance (44-PLCC)
T
ABLE
I/O SIGNALS
REGISTERS
TXRDY#
XOFF1
XOFF2
XON1
XON2
DTR#
RTS#
RHR
MCR
MSR
DLM
THR
FCR
SPR
AFR
LCR
LSR
EFR
MF#
DLL
IER
ISR
INT
TX
13: UART RESET CONDITIONS FOR CHANNELS A AND B
Bits 7-0 = 0xXX
Bits 7-0 = 0xXX
Bits 7-0 = 0x00
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
Logic 1
Logic 0
Logic 0
35
RESET STATE
RESET STATE
2.25V TO 5.5V DUART WITH 16-BYTE FIFO
theta-ja = 50
theta-ja =59
o
o
C/W, theta-jc = 16
C/W, theta-jc = 21
o
o
C/W
C/W
XR16L2552