Motorola 6820: Difference between revisions
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|Part_nos=156-0427-00 | |Part_nos=156-0427-00 | ||
|Description="Peripheral Interface Adapter (PIA)" | |Description="Peripheral Interface Adapter (PIA)" | ||
|Used_in=021-0206-00;7A16P;7B81P;7B90P;Keithley 175A;Keithley 197;Keithley 485; | |Used_in=021-0206-00;7A16P;7B81P;7B90P;Keithley 175A;Keithley 197;Keithley 485;Keithley 580; | ||
}} is an I/O port controller for the [[Motorola 6800]] family of microprocessors. | }} is an I/O port controller for the [[Motorola 6800]] family of microprocessors. | ||
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{{MissingPics}} | {{MissingPics}} | ||
[[Category: | [[Category:Microprocessor peripherals]] | ||
[[Category:Introduced in 1974]] | [[Category:Introduced in 1974]] | ||
Latest revision as of 04:22, 5 June 2024
The Motorola 6820 (P/N 156-0427-00) is a "Peripheral Interface Adapter (PIA)" monolithic integrated circuit is an I/O port controller for the Motorola 6800 family of microprocessors.
The Motorola 6821 is an updated version with slightly different electrical specs.
Other manufacturer's versions with various electrical differences are
- WDC – W65C21S
- CMD/GTE – G65SC21
- Hitachi – HD6821, HD6321 (CMOS)
- MOS Technology – 6521
- Rockwell – R6520, R6521, R65C21
- ST Micro – EF6821
Used in
Some instruments using part Motorola 6820
| Instrument | Manufacturer | Class | Model | Description | Introduced |
|---|---|---|---|---|---|
| 021-0206-00 | Tektronix | Interface | 021-0206-00 | GPIB Interface for P7001 | (?) |
| 7A16P | Tektronix | Plug-in | 7A16P | 150/200 MHz vertical amplifier | 1978 |
| 7B81P | Tektronix | Plug-in | 7B81P | programmable timebase | (?) |
| 7B90P | Tektronix | Plug-in | 7B90P | 400 MHz programmable timebase | 1978 |
| Keithley 175A | Keithley | Multimeter | 175A | 4½-digit TRMS digital multimeter | (?) |
| Keithley 197 | Keithley | Multimeter | 197 | 5½-digit digital multimeter | (?) |
| Keithley 485 | Keithley | Multimeter | 485 | Digital picoamperemeter | (?) |
| Keithley 580 | Keithley | Multimeter | 580 | 5½-digit microohmmeter | 1985 |
Links
- Peripheral Interface Adapter @ Wikipedia
- Tek Component News No.259 May 1978 – Page 13 - 6820 replaced with 6821
Pictures
- please add