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參數(shù)資料
| 型號(hào)： | XR17L152IM |
| 廠商： | EXAR CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | CAP .068UF 400V PEN FILM 2825 5% |
| 中文描述： | 2 CHANNEL(S), 3.125M bps, SERIAL COMM CONTROLLER, PQFP100 |
| 封裝： | 14 X 14 MM, 1 MM HEIGHT, TQFP-100 |
| 文件頁數(shù)： | 14/55頁 |
| 文件大?。?/td> | 318K |
| 代理商： | XR17L152IM |
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DISCONTINUED
XR17L152
3.3V PCI BUS DUAL UART
REV. 1.1.0
14
TIMER [15:8] (default 0x00)
Reserved.
TIMERMSB [31:24] and TIMERLSB [23:16]
TIMERMSB and TIMERLSB form a 16-bit value. The least-significant bit of the timer is being bit [0] of the
TIMERLSB with most-significant-bit being bit-7 in TIMERMSB. Notice that these registers do not hold the
current counter value when read. Reading the TIMERCNTL register will clear its interrupt. Default value is zero
(timer disabled) upon powerup and reset.
1.2.3
Each bit selects 8X or 16X sampling rate for that UART channel, bit-0 is channel 0. Logic 0 (default) selects
normal 16X sampling with logic one selects 8X sampling rate. Transmit and receive data rates will double by
selecting 8X.
8XMODE [7:0] (default 0x00)
1.2.4
Reserved.
1.2.5
The 8-bit Reset register [RESET] provides the software with the ability to reset the UART(s) when there is a
need. Each bit is self-resetting after it is written a logic 1 to perform a reset to that channel. All registers in that
channel will be reset to the default condition, see
Table 18
for details. Bit-0 =1 resets UART channel 0 while bit-
1=1 resets channel 1.
REGA [15:8]
(default 0x00)
RESET [23:16] - (default 0x00)
TIMERCNTL Register
Rsvd
Rsvd
Rsvd
MPIO[0]
Control
Clock
Select
Single/
Re-trigger
Start/
Stop
INT
Enable
Bit-7 Bit-6 Bit-5 Bit-4 Bit-3 Bit-2 Bit-1 Bit-0
TIMERMSB Register
Bit-15 Bit-14 Bit-13 Bit-12 Bit-11 Bit-10 Bit-9 Bit-8
TIMERLSB Register
Bit-7 Bit-6 Bit-5 Bit-4 Bit-3 Bit-2 Bit-1 Bit-0
16-Bit Timer/Counter Programmable Registers
Rsvd
Rsvd
Rsvd Rsvd Rsvd Rsvd Ch-1 Ch-0
8XMODE Register
Individual UART Channel 8X Clock Mode Enable
Bit-7 Bit-6 Bit-5 Bit-4 Bit-3 Bit-2 Bit-1 Bit-0
Rsvd
Rsvd
Rsvd Rsvd Rsvd Rsvd
Ch-1
Ch-0
RESET Register
Individual UART Channel Reset Enable
Bit-7 Bit-6 Bit-5 Bit-4 Bit-3 Bit-2 Bit-1 Bit-0
相關(guān)PDF資料 |
PDF描述 |
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| XR17L152 | 3.3V PCI BUS DUAL UART |
| XR17L152CM | 3.3V PCI BUS DUAL UART |
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| XR2002CN | High-Voltage, High-Current Darlington Transistor Arrays |
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