參數(shù)資料
型號(hào): XR16C850CM
廠商: EXAR CORP
元件分類: 微控制器/微處理器
英文描述: UART with 128-byte FIFO’s FIFO Counters and Half-duplex Control
中文描述: 1 CHANNEL(S), 2.25M bps, SERIAL COMM CONTROLLER, PQFP48
封裝: 7 X 7 MM, 1 MM HEIGHT, TQFP-48
文件頁(yè)數(shù): 24/55頁(yè)
文件大?。?/td> 331K
代理商: XR16C850CM
XR16C850
24
Rev. 1.20
REGISTER FUNCTIONAL DESCRIPTIONS
The following table delineates the assigned bit functions for the fifteen 850 internal registers. The assigned bit
functions are more fully defined in the following paragraphs.
XR16C850 ACCESSIBLE REGISTERS
A2 A1 A0
Register
[Default]
Note *3
BIT-7
BIT-6
BIT-5
BIT-4
BIT-3
BIT-2
BIT-1
BIT-0
General Registers are accessible when LCR bit-7 is not a Logic 1 or "BF" Hex
0
0
0
RHR [XX]
bit-7
bit-6
bit-5
bit-4
bit-3
bit-2
bit-1
bit-0
0
0
0
THR [XX]
bit-7
bit-6
bit-5
bit-4
bit-3
bit-2
bit-1
bit-0
0
0
1
IER [00]
0/
0/
0/
0/
modem
status
interrupt
receive
line
status
interrupt
transmit
holding
register
receive
holding
register
-CTS
interrupt
-RTS
interrupt
Xoff
interrupt
Sleep
mode
0
1
0
FCR [00]
RCVR
trigger
(MSB)
RCVR
trigger
(LSB)
0/TX
trigger
(MSB)
0/TX
trigger
(LSB)
DMA
mode
select
XMIT
FIFO
reset
RCVR
FIFO
reset
FIFO
enable
0
1
0
ISR [01]
0/
0/
0/
0/
int
int
int
int
FIFO’s
enabled
FIFO’s
enabled
-RTS,
-CTS
Xoff
priority
bit-2
priority
bit-1
priority
bit-0
status
0
1
1
LCR [00]
divisor
latch
enable
set
break
set
parity
even
parity
parity
enable
stop
bits
word
length
bit-1
word
length
bit-0
1
0
0
MCR [00]
Clock
select
0/
0/
loop
back
-OP2
-OP1
-RTS
-DTR
IRRT
enable
Xon
Any
1
0
1
LSR [60]
0/
trans.
empty
trans.
holding
empty
break
interrupt
framing
error
parity
error
overrun
error
receive
data
ready
FIFO
error
1
1
0
MSR [00]
-CD
-RI
-DSR
-CTS
delta
-CD
delta
-RI
delta
-DSR
delta
-CTS
1
1
1
SCPAD [FF]
bit-7
bit-6
bit-5
bit-4
bit-3
bit-2
bit-1
bit-0
Baud rate generator registers are accessible only when LCR bit-7 is set to Logic 1.
0
0
0
DLL [00]
bit-7
bit-6
bit-5
bit-4
bit-3
bit-2
bit-1
bit-0
0
0
1
DLM [00]
bit-15
bit-14
bit-13
bit-12
bit-11
bit-10
bit-9
bit-8
相關(guān)PDF資料
PDF描述
XR16C850CP UART with 128-byte FIFO’s FIFO Counters and Half-duplex Control
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XR16C850CM-0A-EVB 功能描述:UART 接口集成電路 Supports C850 48 ld TQFP, ISA Interface RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
XR16C850CM-F 功能描述:UART 接口集成電路 UARTW/128BYTE FIFO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
XR16C850CMTR-F 功能描述:UART 接口集成電路 UART w/128 Bytes FIFO & IrDA RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
XR16C850CP 制造商:EXAR 制造商全稱:EXAR 功能描述:UART with 128-byte FIFO’s FIFO Counters and Half-duplex Control
XR16C850CQ 制造商:EXAR 制造商全稱:EXAR 功能描述:UART with 128-byte FIFO’s FIFO Counters and Half-duplex Control