XR16L570IL24-F Exar Corporation, XR16L570IL24-F Datasheet - Page 19

• 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

REV. 1.0.1
The L570 has a set of configuration registers selected by address lines A0, A1 and A2 with CS# asserted. The
complete register set is shown on
3.0 UART INTERNAL REGISTERS
A2,A1,A0 A
0
0
0
0
0
0
0
1
1
1
1
0
1
1
1
1
0
0 0
0 1
0 0
0 1
0 1
1 0
1 1
0 0
0 1
1 0
1 1
1 0
0 0
0 1
1 0
1 1
0 0
DDRESSES
RHR - Receive Holding Register
THR - Transmit Holding Register
DLL - Div Latch Low Byte
DLM - Div Latch High Byte
DREV - Device Revision Code
DVID - Device Identification Code
IER - Interrupt Enable Register
ISR - Interrupt Status Register
FCR - FIFO Control Register
LCR - Line Control Register
MCR - Modem Control Register
LSR - Line Status Register
Reserved
MSR - Modem Status Register
Reserved
SPR - Scratchpad Register
EFR - Enhanced Function Register
Xon-1 - Xon Character 1
Xon-2 - Xon Character 2
Xoff-1 - Xoff Character 1
Xoff-2 - Xoff Character 2
Table 5
T
ABLE
SMALLEST 1.62V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE
16C550 C
5: UART INTERNAL REGISTERS
R
and
EGISTER
E
NHANCED
Table
OMPATIBLE
6.
19
R
EGISTERS
R
EGISTERS
R
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read-only
Read-only
Read-only
Read-only
Read-only
Read-only
Write-only
Write-only
Write-only
Write-only
EAD
/W
RITE
DLL, DLM = 0x00,
LCR ≠ 0xBF
LCR ≠ 0xBF
LCR ≠ 0xBF
LCR = 0xBF
C
LCR[7] = 0
LCR[7] = 1
LCR[7] = 1
LCR[7] = 0
OMMENTS
XR16L570