參數(shù)資料
型號： XR68C92CJ
廠商： EXAR CORP
元件分類： 微控制器/微處理器
英文描述： DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER
中文描述： 2 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PQCC44
封裝： PLASTIC, LCC-44
文件頁數(shù)： 23/32頁
文件大小： 282K
代理商： XR68C92CJ
XR68C92/192
23
Rev. P1.10
IPR Bit-7.
Not used and set to “0”.
COUNTER REGISTER (CUR and CLR)
The count upper register (CUR) and count lower
register (CLR) hold the most-significant byte and the
least-significant byte, respectively, of the current
counter value. These registers should only be read
when the C/T is in counter mode and the counter is
stopped.
START COUNTER / TIMER REGISTER
Reading from this register will start Timer counter
function. Returned data values should be ignored.
STOP COUNTER TIMER REGISTER
Reading from this register will issue a stop command to
Timer counter function. Returned data values should be
ignored.
SET OUTPUT PORT REGISTER
Output ports (OP0-OP7) can be set to low by writing a
“1” to each individual bits. Outputs will change state only
when OPCR register bits are assigned to general
purpose output pins. When output is set to low, it can
not change state to high unless reset output port
command is issued.
SOPR Bit 0-7.
0 = No change.
1 = Set output port to low.
RESET OUTPUT PORT BITS REGISTER
Each output port bit can be changed to high state by
writing a “1” to each individual bit.
SOPR Bit 0-7.
0 = No change.
1 = Reset output port to high.
4
INTERRUPT VECTOR REGISTER (IVR)
This register contains the interrupt vector. When the
XR68C92 responds to a valid interrupt acknowledge (-
IACK) cycle, the contents of this register are placed on
the data bus. At reset, this register will contain “0F” hex,
which is the M68000 exception vector assignment for
un-initialized interrupt vectors.
相關(guān)PDF資料
PDF描述
XR68C92CP DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER
XR68C92CV DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER
XR68C92IJ DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER
XR68C92IP DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER
XR68C92IV DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR68C92CJ-0A-EVB 功能描述:界面開發(fā)工具 Supports 68C92 44 ld PLCC, ISA Interface RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V
XR68C92CJ-F 功能描述:UART 接口集成電路 Dual Channel 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
XR68C92CP 制造商:EXAR 制造商全稱:EXAR 功能描述:DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER
XR68C92CP-F 功能描述:UART 接口集成電路 Dual Channel 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
XR68C92CV 制造商:EXAR 制造商全稱:EXAR 功能描述:DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER
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