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參數(shù)資料
| 型號(hào)： | LTC1403CMSE |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | ADC |
| 英文描述： | Serial 12-Bit/14-Bit, 2.8Msps Sampling ADCs with Shutdown |
| 中文描述： | 1-CH 12-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, PDSO10 |
| 封裝： | PLASTIC, MSOP-10 |
| 文件頁數(shù)： | 15/20頁 |
| 文件大?。?/td> | 323K |
| 代理商： | LTC1403CMSE |
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; 01-08-01 ******************************************************************
; Files: 014SI.ASM -> 1403A Sine wave collection with Serial Port interface
; bvectors.asm buffered mode to avoid standard mode bug.
; s2k14ini.asm 2k buffer size.
; first element at 1024, last element at 1023, two middles at 2047 and 0000
; unipolar mode
; Works 16 or 64 clock frames.
; negative edge BCLKR
; negative BFSR pulse
; -0 data shifted
; 1' cable from counter to CONV at DUT
; 2' cable from counter to CLK at DUT
; ***************************************************************************
.width 160
.length 110
.title "sineb0 BSP in auto buffer mode"
.mmregs
.setsect ".text", 0x500,0 ;Set address of executable
.setsect "vectors", 0x180,0 ;Set address of incoming 1403 data
.setsect "buffer", 0x800,0 ;Set address of BSP buffer for clearing
.setsect "result", 0x1800,0 ;Set address of result for clearing
.text ;.text marks start of code
start:
;this label seems necessary
;Make sure /PWRDWN is low at J1-9
;to turn off AC01 adc
tim=#0fh
prd=#0fh
tcr = #10h ; stop timer
tspc = #0h ; stop TDM serial port to AC01
pmst = #01a0h ; set up iptr. Processor Mode STatus register
sp = #0700h ; init stack pointer.
dp = #0 ; data page
ar2 = #1800h ; pointer to computed receive buffer.
ar3 = #0800h ; pointer to Buffered Serial Port receive buffer
ar4 = #0h ; reset record counter
call sineinit ; Double clutch the initialization to insure a proper
sinepeek:
call sineinit ; reset. The external frame sync must occur 2.5 clocks
; or more after the port comes out of reset.
wait goto wait
; ----------------Buffered Receive Interrupt Routine ------------------
breceive:
ifr = #10h ; clear interrupt flags
TC = bitf(@BSPCE,#4000h) ; check which half (bspce(bit14)) of buffer
if (NTC) goto bufull ; if this still the first half get next half
bspce = #(2023h + 08000h); turn on halt for second half (bspce(bit15))
return_enable
; --------------mask and shift input data ----------------------------
bufull:
b = *ar3+ << -0 ; load acc b with BSP buffer and shift right -0
b = #03FFFh & b ; mask out the TRISTATE bits with #03FFFh
;
*ar2+ = data(#0bh) ; store B to out buffer and advance AR2 pointer
TC = (@ar2 == #02000h) ; output buffer is 2k starting at 1800h
if (TC) goto start ; restart if out buffer is at 1fffh
goto bufull
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| LTC1403CMSE#PBF | 功能描述:IC ADC 12BIT 2.8MSPS 10-MSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個(gè)單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
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