参数资料
| 型号： | LTC1283ACN |
| 厂商： | Linear Technology |
| 文件页数： | 16/24页 |
| 文件大小： | 0K |
| 描述： | IC DATA ACQ SYS 10BIT 3V 20-DIP |
| 标准包装： | 18 |
| 类型： | 数据采集系统（DAS） |
| 分辨率（位）： | 10 b |
| 采样率（每秒）： | 15k |
| 数据接口： | 串行，并联 |
| 电压电源： | 双 ± |
| 电源电压： | ±3.3V，3 V ~ 3.6 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 20-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 20-PDIP |
| 包装： | 管件 |
23
LTC1283
1283fb
U
S
A
O
PPLICATI
TYPICAL
MNEMONIC
DESCRIPTION
LDA
#$50
CONFIGURATION DATA FOR SPCR
STA
$0A
LOAD CONFIGURATION DATA INTO $0A
LDA
#$FF
CONFIGURATION DATA FOR PORT C DDR
STA
$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 DIN 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 DIN 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 DIN 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
MNEMONIC
DESCRIPTION
LOOP 2:
TST
$0B
TEST STATUS OF SPIF
BPL
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
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 its circuits as described herein will not infringe on existing patent rights.
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| LTC1283ACN#PBF | 功能描述:IC DATA ACQ SYS 10BIT 3V 20-DIP RoHS:是 类别:集成电路 (IC) >> 数据采集 - ADCs/DAC - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:数据采集系统（DAS） 分辨率（位）:16 b 采样率（每秒）:21.94k 数据接口:MICROWIRE?，QSPI?，串行，SPI? 电压电源:模拟和数字 电源电压:1.8 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（6x6） 包装:托盘 |
| LTC1283CN | 功能描述:IC DATA ACQ SYS 10BIT 3V 20-DIP RoHS:否 类别:集成电路 (IC) >> 数据采集 - ADCs/DAC - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:数据采集系统（DAS） 分辨率（位）:16 b 采样率（每秒）:21.94k 数据接口:MICROWIRE?，QSPI?，串行，SPI? 电压电源:模拟和数字 电源电压:1.8 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（6x6） 包装:托盘 |
| LTC1283CN#PBF | 功能描述:IC DATA ACQ SYS 10BIT 3V 20-DIP RoHS:是 类别:集成电路 (IC) >> 数据采集 - ADCs/DAC - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:数据采集系统（DAS） 分辨率（位）:16 b 采样率（每秒）:21.94k 数据接口:MICROWIRE?，QSPI?，串行，SPI? 电压电源:模拟和数字 电源电压:1.8 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（6x6） 包装:托盘 |
| LTC1285CN8 | 功能描述:IC A/D CONV SAMPLING 12BIT 8-DIP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:16 采样率（每秒）:45k 数据接口:串行 转换器数目:2 功率耗散（最大）:315mW 电压电源:模拟和数字 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC W 包装:带卷 (TR) 输入数目和类型:2 个单端，单极 |
| LTC1285CN8#PBF | 功能描述:IC A/D CONV SAMPLING 12BIT 8-DIP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:16 采样率（每秒）:45k 数据接口:串行 转换器数目:2 功率耗散（最大）:315mW 电压电源:模拟和数字 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC W 包装:带卷 (TR) 输入数目和类型:2 个单端，单极 |
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