XR16L570IL24-F Exar Corporation, XR16L570IL24-F Datasheet - Page 47

• Manufacturer Part Number: XR16L570IL24-F
• Description: 2.25 To 5.5V W/ 5V TOLERANT INPUT UART W/16 BYTE FIFO W/ POWER SAVE
• Manufacturer: Exar Corporation

Specifications of XR16L570IL24-F

• Features: *
• Number Of Channels: 1, UART
• Fifo's: 16 Byte
• Protocol: RS232, RS422
• Voltage - Supply: 1.62 V ~ 5.5 V
• With Auto Flow Control: Yes
• With Irda Encoder/decoder: Yes
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• With Cmos: Yes
• Mounting Type: Surface Mount
• Package / Case: 24-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

xr
REV. 1.0.1
ABSOLUTE MAXIMUM RATINGS .................................................................................. 34
TYPICAL PACKAGE THERMAL RESISTANCE DATA (MARGIN OF ERROR: ± 15%) 34
PACKAGE DIMENSIONS (32 PIN QFN - 5 X 5 X 0.9 MM) ............................................. 43
PACKAGE DIMENSIONS (24 PIN QFN - 4 X 4 X 0.9 MM) ............................................. 44
T
ABLE OF
DC E
DC E
AC E
AC E
D
D
D
D
R
4.5 INTERRUPT STATUS REGISTER (ISR) - READ-ONLY ............................................................................... 24
4.6 FIFO CONTROL REGISTER (FCR) - WRITE-ONLY ..................................................................................... 25
4.7 LINE CONTROL REGISTER (LCR) - READ/WRITE ..................................................................................... 26
4.8 MODEM CONTROL REGISTER (MCR) OR GENERAL PURPOSE OUTPUTS CONTROL - READ/WRITE 28
4.9 LINE STATUS REGISTER (LSR) - READ ONLY ........................................................................................... 29
4.10 MODEM STATUS REGISTER (MSR) - READ ONLY .................................................................................. 30
4.11 SCRATCHPAD REGISTER (SPR) - READ/WRITE ..................................................................................... 31
4.12 BAUD RATE GENERATOR REGISTERS (DLL AND DLM) - READ/WRITE .............................................. 31
4.13 DEVICE IDENTIFICATION REGISTER (DVID) - READ ONLY .................................................................... 31
4.14 DEVICE REVISION REGISTER (DREV) - READ ONLY .............................................................................. 31
4.15
4.16 SOFTWARE FLOW CONTROL REGISTERS (XOFF1, XOFF2, XON1, XON2) - WRITE ONLY ................ 33
Unless otherwise noted: TA= -40o to +85oC, Vcc=2.97 - 5.5V, 70 pF load where applicable.................................. 36
Unless otherwise noted: TA= -40o to +85oC, Vcc=1.62 - 2.75V, 70 pF load where applicable................................ 37
ATA RATE CHARACTERIZATION AT
Operating Temperature Range = -40o to +85oC....................................................................................................... 38
ATA RATE CHARACTERIZATION AT
Operating Temperature Range = -40o to +85oC....................................................................................................... 38
ATA RATE CHARACTERIZATION AT
Operating Temperature Range = -40o to +85oC....................................................................................................... 38
ATA RATE CHARACTERIZATION AT
Operating Temperature Range = -40o to +85oC....................................................................................................... 38
EVISION
T
T
T
T
T
F
F
F
F
F
F
F
F
ABLE
ABLE
ABLE
ABLE
ABLE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
LECTRICAL
LECTRICAL
LECTRICAL
LECTRICAL
4.5.1 INTERRUPT GENERATION: ...................................................................................................................................... 24
4.5.2 INTERRUPT CLEARING: ........................................................................................................................................... 24
ENHANCED FEATURE REGISTER (EFR) ................................................................................................. 32
7: I
8: T
9: P
10: S
11: UART RESET CONDITIONS FOR CHANNEL A AND B............................................................................................ 34
14. C
15. M
16. D
17. D
18. R
19. T
20. R
21. T
H
C
ISTORY
NTERRUPT
ONTENTS
RANSMIT AND
ARITY SELECTION
OFTWARE
RANSMIT
RANSMIT
LOCK
ATA
ATA
ECEIVE
ECEIVE
ODEM
C
C
C
C
HARACTERISTICS
HARACTERISTICS
HARACTERISTICS
HARACTERISTICS
B
B
...................................................................................................................................... 45
T
US
US
I
IMING
NPUT
S
R
R
F
R
R
OURCE AND
R
W
EADY
EADY
LOW
EADY
EADY
EAD
R
............................................................................................................
RITE
/O
ECEIVE
............................................................................................................................................................. 39
.......................................................................................................................................................... 27
UTPUT
I
I
C
T
NTERRUPT
NTERRUPT
T
I
I
ONTROL
IMING
NTERRUPT
NTERRUPT
IMING
SMALLEST 1.62V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE
FIFO T
P
T
RIORITY
.............................................................................................................................................. 40
IMING
............................................................................................................................................ 40
5V ......................................................................................................... 38
3.3V ...................................................................................................... 38
2.5V ...................................................................................................... 38
1.8V ...................................................................................................... 38
.............................................................................................................. 35
.............................................................................................................. 35
.............................................................................................................. 36
.............................................................................................................. 37
F
T
T
UNCTIONS
RIGGER
T
T
IMING
IMING
.................................................................................................................................... 39
IMING
IMING
L
EVEL
[N
[FIFO M
[N
[FIFO M
L
ON
........................................................................................................................ 32
EVEL
....................................................................................................................... 25
ON
-FIFO M
-FIFO M
S
ODE
ELECTION
ODE
] ....................................................................................................... 42
ODE
] ..................................................................................................... 42
II
ODE
] ............................................................................................... 41
] ............................................................................................. 41
.............................................................................................. 26
XR16L570
I