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參數(shù)資料
| 型號(hào)： | LTC1283AC |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 3V Single Chip 10-Bit Data Acquisition System |
| 中文描述： | 3V的單芯片10位數(shù)據(jù)采集系統(tǒng) |
| 文件頁(yè)數(shù)： | 23/24頁(yè) |
| 文件大?。?/td> | 452K |
| 代理商： | LTC1283AC |
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LTC1283
U
S
A
O
PPLICATI
TYPICAL
MNEMONIC
DESCRIPTION
#$50
CONFIGURATION DATA FOR SPCR
$0A
LOAD CONFIGURATION DATA INTO $0A
#$FF
CONFIGURATION DATA FOR PORT C DDR
$06
LOAD CONFIGURATION DATA INTO PORT
C DDR
BSET 0, $02
MAKE SURE CS IS HIGH
JSR
READ –/+
DUMMY READ CONFIGURES LTC1283 FOR
NEXT READ
JSR
READ +/–
READ CH6 WITH RESPECT TO CH7
JSR
READ –/+
READ CH7 WITH RESPECT TO CH6
JSR
CHK SIGN DETERMINES WHICH READING HAS VALID
DATA, CONVERTS TO 2’s COMPLEMENT
AND STORES IN RAM
READ –/+: LDA
#$3F
LOAD D
IN
WORD FOR LTC1283 INTO ACC
JSR
TRANSFER READ LTC1283 ROUTINE
LDA
$60
LOAD MSBs FROM LTC1283 INTO ACC
STA
$71
STORE MSBs IN $71
LDA
$61
LOAD LSBs FROM LTC1283 INTO ACC
STA
$72
STORE LSBs IN $72
RTS
RETURN
Read +/–: LDA
#$7F
LOAD D
IN
WORD FOR LTC1283 INTO ACC
JSR
TRANSFER READ LTC1283 ROUTINE
LDA
$60
LOAD MSBs FROM LTC1283 INTO ACC
STA
$73
STORE MSBs IN $73
LDA
$61
LOAD LSBs FROM LTC1283 INTO ACC
STA
$74
STORE LSBs IN $74
RTS
RETURN
TRANSFER: BCLR 0, $02
CS GOES LOW
STA
$0C
LOAD D
IN
INTO SPI. START TRANSFER
LOOP 1:
TST
$0B
TEST STATUS OF SPIF
BPL
LOOP 1
LOOP TO PREVIOUS INSTRUCTION IF NOT
DONE
LDA
$0C
LOAD CONTENTS OF SPI DATA REG. INTO
ACC
STA
$0C
START NEXT CYCLE
STA
$60
STORE MSBs IN $60
LDA
STA
LDA
STA
MNEMONIC
LOOP 2:
DESCRIPTION
TEST STATUS OF SPIF
LOOP 2
LOOP TO PREVIOUS INSTRUCTION IF NOT
DONE
BSET 0, $02
CS GOES HIGH
LDA
$0C
LOAD CONTENTS OF SPI DATA REG. INTO
ACC
STA
$61
STORE LSBs IN $61
RTS
RETURN
CHK SIGN: LDA
$73
LOAD MSBs OF +/– READ INTO ACC
ORA
$74
OR ACC (MSBs) WITH LSBs OF +/– read
BEQ
MINUS
IF RESULT IS 0 GOTO MINUS
CLC
CLEAR CARRY
ROR
$73
ROTATE RIGHT $73 THROUGH CARRY
ROR
$74
ROTATE RIGHT $74 THROUGH CARRY
LDA
$73
LOAD MSBs OF +/– READ INTO ACC
STA
$77
STORE MSBs IN RAM LOCATION $77
LDA
$74
LOAD LSBs OF +/– READ INTO ACC
STA
$87
STORE LSBs IN RAM LOCATION $87
BRA
END
GOTO END OF ROUTINE
MINUS:
CLC
CLEAR CARRY
ROR
$71
SHIFT MSBs OF –/+ READ RIGHT
ROR
$72
SHIFT LSBs –/+ READ RIGHT
COM $71
1’s COMPLEMENT OF MSBs
COM $72
1’s COMPLEMENT OF LSBs
LDA
$72
LOAD LSBs INTO ACC
ADD
#$01
ADD 1 TO LSBs
STA
$72
STORE ACC IN $72
CLRA
CLEAR ACC
ADC
$71
ADD WITH CARRY TO MSBs. RESULT IN
ACC
STA
$71
STORE ACC IN $71
STA
$77
STORE MSBs IN RAM LOCATION $77
LDA
$72
LOAD LSBs IN ACC
STA
$87
STORE LSBs IN RAM LOCATION $87
END:
RTS
RETURN
TST
BPL
$0B
Sneak-A-Bit Code for the LTC1283 Using the MC68HC05C4
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of circuits as described herein will not infringe on existing patent rights.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC1283ACN | 3V Single Chip 10-Bit Data Acquisition System |
| LTC1283ACS | 3V Single Chip 10-Bit Data Acquisition System |
| LTC1283C | 3V Single Chip 10-Bit Data Acquisition System |
| LTC1283CN | 3V Single Chip 10-Bit Data Acquisition System |
| LTC1283CS | 3V Single Chip 10-Bit Data Acquisition System |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1283ACN | 功能描述:IC DATA ACQ SYS 10BIT 3V 20-DIP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)（DAS） 分辨率（位）:16 b 采樣率（每秒）:21.94k 數(shù)據(jù)接口:MICROWIRE?，QSPI?，串行，SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤(pán) |
| LTC1283ACN#PBF | 功能描述:IC DATA ACQ SYS 10BIT 3V 20-DIP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)（DAS） 分辨率（位）:16 b 采樣率（每秒）:21.94k 數(shù)據(jù)接口:MICROWIRE?，QSPI?，串行，SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤(pán) |
| LTC1283CN | 功能描述:IC DATA ACQ SYS 10BIT 3V 20-DIP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)（DAS） 分辨率（位）:16 b 采樣率（每秒）:21.94k 數(shù)據(jù)接口:MICROWIRE?，QSPI?，串行，SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤(pán) |
| LTC1283CN#PBF | 功能描述:IC DATA ACQ SYS 10BIT 3V 20-DIP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)（DAS） 分辨率（位）:16 b 采樣率（每秒）:21.94k 數(shù)據(jù)接口:MICROWIRE?，QSPI?，串行，SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤(pán) |
| LTC1285CN8 | 功能描述:IC A/D CONV SAMPLING 12BIT 8-DIP RoHS:否 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:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個(gè)單端，單極 |
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