Pinouts - 1802 family

1802 microprocessor - DIP 40 package

Manufacturers: Hughes, RCA

Clock 1 40 VDD
Wait 2 39 XTAL
Clear 3 38 DMA IN
Q 4 37 DMA OUT
SC1 5 36 Interrupt
SC0 6 35 MWR
MRD 7 34 TPA
Bus 7 8 33 TPB
Bus 6 9 32 MA7
Bus 5 10 31 MA6
Bus 4 11 30 MA5
Bus 3 12 29 MA4
Bus 2 13 28 MA3
Bus 1 14 27 MA2
Bus 0 15 26 MA1
VCC 16 25 MA0
N2 17 24 EF1
N1 18 23 EF2
N0 19 22 EF3
VSS 20 21 EF4

1804 microcontroller - DIP 40 package

Manufacturers: RCA

Clock 1 40 VDD
Wait 2 39 XTAL
Clear 3 38 DMA IN
Q 4 37 DMA OUT
SC1 5 36 Interrupt
SC0 6 35 MWR
MRD 7 34 TPA
Bus 7 8 33 TPB
Bus 6 9 32 MA7
Bus 5 10 31 MA6
Bus 4 11 30 MA5
Bus 3 12 29 MA4
Bus 2 13 28 MA3
Bus 1 14 27 MA2
Bus 0 15 26 MA1
EMS 16 25 MA0
N2 17 24 EF1
N1 18 23 EF2
N0 19 22 EF3
VSS 20 21 EF4

1804A microcontroller - DIP 40 package

Manufacturers: RCA

Clock 1 40 VDD
Wait 2 39 XTAL
Clear 3 38 DMA IN
Q 4 37 DMA OUT
SC1 5 36 Interrupt
SC0 6 35 MWR
MRD 7 34 TPA
Bus 7 8 33 TPB
Bus 6 9 32 MA7
Bus 5 10 31 MA6
Bus 4 11 30 MA5
Bus 3 12 29 MA4
Bus 2 13 28 MA3
Bus 1 14 27 MA2
Bus 0 15 26 MA1
EMS/ME 16 25 MA0
N2 17 24 EF1
N1 18 23 EF2
N0 19 22 EF3
VSS 20 21 EF4

1805A microcontroller - DIP 40 package

Manufacturers: RCA

Clock 1 40 VDD
Wait 2 39 XTAL
Clear 3 38 DMA IN
Q 4 37 DMA OUT
SC1 5 36 Interrupt
SC0 6 35 MWR
MRD 7 34 TPA
Bus 7 8 33 TPB
Bus 6 9 32 MA7
Bus 5 10 31 MA6
Bus 4 11 30 MA5
Bus 3 12 29 MA4
Bus 2 13 28 MA3
Bus 1 14 27 MA2
Bus 0 15 26 MA1
ME 16 25 MA0
N2 17 24 EF1
N1 18 23 EF2
N0 19 22 EF3
VSS 20 21 EF4

1806A microcontroller - DIP 40 package

Manufacturers: RCA

Clock 1 40 VDD
Wait 2 39 XTAL
Clear 3 38 DMA IN
Q 4 37 DMA OUT
SC1 5 36 Interrupt
SC0 6 35 MWR
MRD 7 34 TPA
Bus 7 8 33 TPB
Bus 6 9 32 MA7
Bus 5 10 31 MA6
Bus 4 11 30 MA5
Bus 3 12 29 MA4
Bus 2 13 28 MA3
Bus 1 14 27 MA2
Bus 0 15 26 MA1
VDD 16 25 MA0
N2 17 24 EF1
N1 18 23 EF2
N0 19 22 EF3
VSS 20 21 EF4
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