XR18W750IL48-F Exar Corporation, XR18W750IL48-F Datasheet - Page 18

IC WIRELESS UART CTRLR 48QFN

XR18W750IL48-F

Manufacturer Part Number
XR18W750IL48-F
Description
IC WIRELESS UART CTRLR 48QFN
Manufacturer
Exar Corporation
Datasheet

Specifications of XR18W750IL48-F

Package / Case
48-VFQFN Exposed Pad
Function
Controller
Rf Type
General Purpose
Secondary Attributes
I²C Interface
Processor Series
XR18W750
Core
8051
Data Bus Width
8 bit
Data Ram Size
32 KB
Interface Type
I2C, UART
Maximum Clock Frequency
400 KHz
Number Of Timers
1
Operating Supply Voltage
2.25 V to 3.63 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
XR18W750/753-0A-EB, XR18W750/753-0B-EB
Minimum Operating Temperature
- 40 C
Program Memory Type
EEPROM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
XR18W750IL48-F
Manufacturer:
EXAR
Quantity:
120
Part Number:
XR18W750IL48-F
Manufacturer:
EXAR/艾科嘉
Quantity:
20 000
XR18W750
WIRELESS UART CONTROLLER
The internal registers of the UART are selected by address lines A2-A0 in the parallel mode. In the serial
mode, the UART registers are not accessible via these address lines. The 8051 microprocessor does not
access the enhanced UART in the parallel mode. The complete register set is shown on
4.0 UART INTERNAL REGISTERS
A2 A1 A0
A
1 X X
0 0 0
0 0 0
0 0 1
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
1 1 1
1 1 1
0 0 0
0 0 1
0 0 1
0 1 0
DDRESS
RHR - Receive Holding Register
THR - Transmit Holding Register
DLL - Divisor LSB
DLM - Divisor MSB
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
MSR - Modem Status Register
SPR - Scratch Pad Register
FLVL - RX/TX FIFO Level Counter Register
EMSR - Enhanced Mode Select Register
TRG - RX/TX FIFO Trigger Level Register
FC - RX/TX FIFO Level Counter Register
FCTR - Feature Control Register
EFR - Enhanced Function Register
Rsrvd
T
ABLE
16C550 C
7: UART INTERNAL REGISTERS
R
EGISTER
E
NHANCED
OMPATIBLE
18
R
EGISTERS
R
EGISTERS
R
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
Read-only
Read-only
Write-only
Write-only
Write-only
Write-only
EAD
/W
RITE
LCR ≠ 0xBF, FCTR[6] = 0
LCR ≠ 0xBF, FCTR[6] = 1
LCR[7] = 1, LCR ≠ 0xBF
LCR[7] = 1, LCR ≠ 0xBF
Table 7
DLL, DLM = 0x00,
LCR = 0xBF
LCR ≠ 0xBF
LCR ≠ 0xBF
C
LCR[7] = 0
LCR[7] = 0
OMMENTS
and
REV. 1.0.0
Table
8.

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