- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄16433 > XR16M698IQ-0A-EVB (Exar Corporation)EVAL BOARD FOR M698-A 100QFP PDF資料下載
參數(shù)資料
| 型號： | XR16M698IQ-0A-EVB |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 21/58頁 |
| 文件大?。?/td> | 0K |
| 描述： | EVAL BOARD FOR M698-A 100QFP |
| 標準包裝： | 1 |
| 系列： | * |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁當前第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁
TABLE 11: TIMER CONTROL COMMANDS
TIMERCNTL [7:4] Reserved
TIMERCNTL [3:0] These bits are used to invoke a series of commands that control the function of the Timer/Counter.
The commands 1011 to 1111 are reserved.
0001: Enable Timer Interrupt
0010: Disable Timer Interrupt (default)
0011: Select One-shot mode
0100: Select Re-triggerable mode (default)
0101: Select Internal Crystal Oscillator output as clock source for the Timer (default)
0110: Select External Clock source (through TMRCK pin) for the Timer
0111: Reserved
1000: Reserved
1001: Start Timer
1010: Stop Timer (default)
1011: Reset Timer
Upon power-up or reset, the default states are Timer interrupt disabled, Re-triggerable mode, Crystal
Oscillator as Timer clock source, and Timer stopped.
XR16M698
28
1.62V TO 3.63V HIGH PERFORMANCE OCTAL UART WITH 32-BYTE FIFO
REV. 1.0.0
TIMER OPERATION
The following paragraphs describe the operation of the 16-bit Timer/Counter. The following conventions will be
used in this discussion:
■ ’N’ is the 16-bit value programmed in the TIMER MSB, LSB registers
■ ‘N’ can take any value from 0x0002 to 0xFFFF.
Timer Interrupt
In the one-shot mode, the Timer will issue an interrupt ’N’ clocks after the Timer is started. This is the time
when the Timer times-out in the one-shot mode. In the re-triggerable mode, the Timer will keep issuing an
interrupt every ’N’ clocks. This is shown in Figure 15, where the time between successive time-outs (in re-
triggereble mode) is ’N’ clocks. The Timer interrupt can be cleared by reading the TIMERCNTL register. The
TIMERCNTL will read a value of 0x01 when there is an interrupt and a 0x00 at all other times.
FIGURE 14. TIMER/COUNTER CIRCUIT
Timer Interrupt
TMRCK
OSC. CLOCK
TIMERCNTL
COMMANDS
16-Bit
Timer/Counter
Start/Stop
Timer Interrupt Enable/ Disable
Single shot/Re-triggerable
TIMERMSB and TIMERLSB
(16-bit Value)
0
1
Clock Select
0
1
Timer Interrupt
No Interrupt
相關PDF資料 |
PDF描述 |
|---|---|
| A3BBB-3018G | IDC CABLE- ASR30B/AE30G/ASR30B |
| VI-2V1-EX | CONVERTER MOD DC/DC 12V 75W |
| EBM18DCCT | CONN EDGECARD 36POS R/A .156 SLD |
| CM322522-680KL | INDUCTOR 68UH 65MA SMD |
| VI-27T-EX | CONVERTER MOD DC/DC 6.5V 75W |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| XR16M698IQ-0B-EVB | 功能描述:界面開發(fā)工具 Eval Board for XR16M698IQ-0B 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 |
| XR16M698IQ100 | 制造商:EXAR 制造商全稱:EXAR 功能描述:1.62V TO 3.63V HIGH PERFORMANCE OCTAL UART WITH 32-BYTE FIFO |
| XR16M698IQ100-F | 功能描述:UART 接口集成電路 8-ch 32-byte 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 |
| XR16M698IQ100TR-F | 制造商:Exar Corporation 功能描述:UART 8-CH 32Byte FIFO 1.8V/2.5V/3.3V 100-Pin PQFP T/R 制造商:Exar Corporation 功能描述:XR16M698IQ100TR-F |
| XR16M752 | 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE DUART WITH 64-BYTE FIFO |
發(fā)布緊急采購，3分鐘左右您將得到回復。