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參數(shù)資料
| 型號： | XR17D158IV |
| 廠商： | EXAR CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | UNIVERSAL (3.3V AND 5V) PCI BUS OCTAL UART |
| 中文描述： | 8 CHANNEL(S), 6.25M bps, SERIAL COMM CONTROLLER, PQFP144 |
| 封裝： | 20 X 20 MM, 1.40 MM HEIGHT, TQFP-144 |
| 文件頁數(shù)： | 18/72頁 |
| 文件大小： | 1520K |
| 代理商： | XR17D158IV |
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XR17D158
UNIVERSAL (3.3V AND 5V) PCI BUS OCTAL UART
xr
REV. 1.2.1
18
.
F
IGURE
6. T
HE
G
LOBAL
I
NTERRUPT
R
EGISTER
, INT0, INT1, INT2
AND
INT3
T
ABLE
6: UART C
HANNEL
[7:0] I
NTERRUPT
S
OURCE
E
NCODING
P
RIORITY
B
IT
[
N
+2]
B
IT
[
N
+1]
B
IT
[
N
]
I
NTERRUPT
S
OURCE
(
S
)
x
0
0
0
None
1
0
0
1
RXRDY and RX Line Status (logic OR of LSR[4:1])
2
0
1
0
RXRDY Time-out
3
0
1
1
TXRDY, THR or TSR (auto RS485 mode) empty
4
1
0
0
MSR, RTS/CTS or DTR/DSR delta or Xoff/Xon det. or special char. detected
5
1
0
1
Reserved.
6
1
1
0
MPIO pin(s). Available only within channel 0, reserved in other channels.
7
1
1
1
TIMER Time-out. Available only within channel 0, reserved in other chan-
nels.
T
ABLE
7: UART C
HANNEL
[7:0] I
NTERRUPT
C
LEARING
:
RXRDY is cleared by reading data in the RX FIFO until it falls below the trigger level.
RXRDY Time-out is cleared by reading data until the RX FIFO is empty.
RX Line Status interrupt clears after reading the LSR register.
TXRDY interrupt clears after reading ISR register that is in the UART channel register set.
Modem Status Register interrupt clears after reading MSR register that is in the UART channel register set.
RTS/CTS or DTR/DSR delta interrupt clears after reading MSR register that is in the UART channel register set.
Xoff/Xon interrupt clears after reading the ISR register that is in the UART channel register set.
Special character detect interrupt is cleared by a read to ISR or after the next character is received.
TIMER Time-out interrupt clears after reading the TIMERCNTL register that is in the Device Configuration register set.
MPIO interrupt clears after reading the MPIOLVL register that is in the Device Configuration register set.
Channel-3
Channel-2
Channel-1
Channel-0
INT2 Register
INT1 Register
INT3 Register
INT0 Register
Interrupt Registers,
INT0, INT1, INT2 and INT3
Bit-0
Bit-1
Bit-2
Bit-3
Bit-7
Bit-4
Bit-5
Bit-6
Ch-3 Ch-2 Ch-1 Ch-0
Bit
N+1
Bit
N+2
Bit
N
Bit
N+1
Bit
N+2
Bit
N
Bit
N+1
Bit
N+2
Bit
N
Bit
N+1
Bit
N+2
Bit
N
Bit
N+1
Bit
N+2
Bit
N
Bit
N+1
Bit
N+2
Bit
N
Bit
N+1
Bit
N+2
Bit
N
Bit
N+1
Bit
N+2
Bit
N
Ch-7 Ch-6 Ch-5 Ch-4
Channel-7
Channel-6
Channel-5
Channel-4
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相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XR17D158IV-F | 功能描述:UART 接口集成電路 3.3V-5V 64B FIFO temp -45 to 85C;UART 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 |
| XR17D158IVTR-F | 制造商:Exar Corporation 功能描述:UART 8-CH 64Byte FIFO 5V 144-Pin LQFP T/R 制造商:Exar Corporation 功能描述:XR17D158IVTR-F |
| XR17L152 | 制造商:EXAR 制造商全稱:EXAR 功能描述:3.3V PCI BUS DUAL UART |
| XR17L152CM | 制造商:EXAR 制造商全稱:EXAR 功能描述:3.3V PCI BUS DUAL UART |
| XR17L152IM | 制造商:EXAR 制造商全稱:EXAR 功能描述:3.3V PCI BUS DUAL UART |
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