KR20030001247A - A/d 변환기가 부착된 원칩 마이크로컴퓨터 - Google Patents
A/d 변환기가 부착된 원칩 마이크로컴퓨터 Download PDFInfo
- Publication number
- KR20030001247A KR20030001247A KR1020020029072A KR20020029072A KR20030001247A KR 20030001247 A KR20030001247 A KR 20030001247A KR 1020020029072 A KR1020020029072 A KR 1020020029072A KR 20020029072 A KR20020029072 A KR 20020029072A KR 20030001247 A KR20030001247 A KR 20030001247A
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- KR
- South Korea
- Prior art keywords
- analog input
- start request
- conversion start
- signal
- conversion
- Prior art date
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-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/76—Architectures of general purpose stored program computers
- G06F15/78—Architectures of general purpose stored program computers comprising a single central processing unit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/002—Provisions or arrangements for saving power, e.g. by allowing a sleep mode, using lower supply voltage for downstream stages, using multiple clock domains or by selectively turning on stages when needed
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/1205—Multiplexed conversion systems
- H03M1/122—Shared using a single converter or a part thereof for multiple channels, e.g. a residue amplifier for multiple stages
- H03M1/1225—Shared using a single converter or a part thereof for multiple channels, e.g. a residue amplifier for multiple stages using time-division multiplexing
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Analogue/Digital Conversion (AREA)
- Microcomputers (AREA)
Abstract
Description
Claims (3)
- 아날로그 입력 신호를 수신하는 아날로그 입력 단자와,해당 아날로그 입력 단자에서 수신한 상기 아날로그 입력 신호에 따라 A/D 변환 개시 요구 신호를 발생시키는 A/D 변환 개시 요구 발생 회로와,해당 A/D 변환 개시 요구 발생 회로에서 발생한 상기 A/D 변환 개시 요구 신호에 따라 A/D 변환을 개시하고, 해당 A/D 변환에 의해 상기 아날로그 입력 단자에서 수신한 상기 아날로그 입력 신호로부터 디지털 데이터를 생성하는 A/D 변환기를 구비한 원칩 마이크로컴퓨터.
- 아날로그 입력 신호를 각각 수신하는 복수의 아날로그 입력 단자와,해당 복수의 아날로그 입력 단자에 각각 대응하고, 대응하는 아날로그 입력 단자에서 수신한 상기 아날로그 입력 신호에 따라 A/D 변환 개시 요구 신호를 각각 발생시키는 복수의 A/D 변환 개시 요구 발생 회로와,상기 복수의 A/D 변환 개시 요구 발생 회로 중의 주목받는 A/D 변환 개시 요구 발생 회로에서 발생한 A/D 변환 개시 요구 신호를 검출하고, 상기 주목받는 A/D 변환 개시 요구 발생 회로에 대응하는 아날로그 입력 단자를 특정하고, 해당 특정된 아날로그 입력 단자에서 수신된 아날로그 입력 신호를 출력하는 아날로그 입력 선택 회로와,상기 주목받는 A/D 변환 개시 요구 발생 회로에서 발생한 상기 A/D 변환 개시 요구 신호에 따라 A/D 변환을 개시하고, 해당 A/D 변환에 의해 상기 아날로그 입력 선택 회로로부터 출력된 상기 아날로그 입력 신호로부터 디지털 데이터를 생성하는 A/D 변환기를 구비한 원칩 마이크로컴퓨터.
- 제 2 항에 있어서,복수의 A/D 변환 개시 요구 발생 회로는, 각각 우선 순위가 설정되고, 두 개 이상의 아날로그 입력 신호를 두 개 이상의 아날로그 입력 단자에서 동시에 수신한 경우에, 그 두 개 이상의 아날로그 입력 단자에 관계된 두 개의 A/D 변환 개시 요구 발생 회로 중에서 가장 높은 우선 순위를 갖는 특정한 A/D 변환 개시 요구 발생 회로로부터만 A/D 변환 개시 요구 신호를 발생시키고, 이 A/D 변환 개시 요구 신호를 주목받는 A/D 변환 개시 요구 발생 회로에서 발생한 상기 A/D 변환 개시 요구 신호로서 A/D 변환기로 송신하는 것을 특징으로 하는원칩 마이크로컴퓨터.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001195008A JP4726337B2 (ja) | 2001-06-27 | 2001-06-27 | ワンチップマイクロコンピュータ |
JPJP-P-2001-00195008 | 2001-06-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030001247A true KR20030001247A (ko) | 2003-01-06 |
KR100445493B1 KR100445493B1 (ko) | 2004-08-21 |
Family
ID=19033052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0029072A KR100445493B1 (ko) | 2001-06-27 | 2002-05-25 | A/d 변환기가 부착된 원칩 마이크로컴퓨터 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6839014B2 (ko) |
JP (1) | JP4726337B2 (ko) |
KR (1) | KR100445493B1 (ko) |
CN (1) | CN1249603C (ko) |
DE (1) | DE10223527A1 (ko) |
TW (1) | TW591508B (ko) |
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2001
- 2001-06-27 JP JP2001195008A patent/JP4726337B2/ja not_active Expired - Fee Related
-
2002
- 2002-04-30 TW TW091109023A patent/TW591508B/zh not_active IP Right Cessation
- 2002-05-09 US US10/141,118 patent/US6839014B2/en not_active Expired - Lifetime
- 2002-05-25 KR KR10-2002-0029072A patent/KR100445493B1/ko not_active IP Right Cessation
- 2002-05-27 DE DE10223527A patent/DE10223527A1/de not_active Ceased
- 2002-05-27 CN CNB021206244A patent/CN1249603C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1249603C (zh) | 2006-04-05 |
US20030001763A1 (en) | 2003-01-02 |
KR100445493B1 (ko) | 2004-08-21 |
JP4726337B2 (ja) | 2011-07-20 |
US6839014B2 (en) | 2005-01-04 |
CN1393796A (zh) | 2003-01-29 |
JP2003008438A (ja) | 2003-01-10 |
TW591508B (en) | 2004-06-11 |
DE10223527A1 (de) | 2003-01-16 |
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