1802.yaml

---
description: "CDP1802 CMOS 8-bit microprocessor"
aliases:     [ "CDP1802A", "CDP1802AC", "CDP1802BC" ]
package:     DIP
pincount:    40
family:      "RCA"
datasheet:   "http://www.cosmacelf.com/publications/data-sheets/cdp1802.pdf"
pins:
  - num:  1
    sym:  CLOCK
    desc: input for externally generated single-phase clock
  - num:  2
    sym:  ~WAIT~
    desc: control line
  - num:  3
    sym:  ~CLEAR~
    desc: control line
  - num:  4
    sym:  Q
    desc: general output
  - num:  5
    sym:  SC1
    desc: state code
  - num:  6
    sym:  SC0
    desc: state code
  - num:  7
    sym:  ~MRD~
    desc: read pulse
  - num:  8
    sym:  BUS 7
    desc: data bus
  - num:  9
    sym:  BUS 6
    desc: data bus
  - num:  10
    sym:  BUS 5
    desc: data bus
  - num:  11
    sym:  BUS 4
    desc: data bus
  - num:  12
    sym:  BUS 3
    desc: data bus
  - num:  13
    sym:  BUS 2
    desc: data bus
  - num:  14
    sym:  BUS 1
    desc: data bus
  - num:  15
    sym:  BUS 0
    desc: data bus
  - num:  16
    sym:  V__CC
    desc: I/O voltage supply
  - num:  17
    sym:  N2
    desc: I/O control line
  - num:  18
    sym:  N1
    desc: I/O control line
  - num:  19
    sym:  N0
    desc: I/O control line
  - num:  20
    sym:  V__SS
    desc: ground
  - num:  21
    sym:  ~EF4~
    desc: I/O flag
  - num:  22
    sym:  ~EF3~
    desc: I/O flag
  - num:  23
    sym:  ~EF2~
    desc: I/O flag
  - num:  24
    sym:  ~EF1~
    desc: I/O flag
  - num:  25
    sym:  MA0
    desc: memory address
  - num:  26
    sym:  MA1
    desc: memory address
  - num:  27
    sym:  MA2
    desc: memory address
  - num:  28
    sym:  MA3
    desc: memory address
  - num:  29
    sym:  MA4
    desc: memory address
  - num:  30
    sym:  MA5
    desc: memory address
  - num:  31
    sym:  MA6
    desc: memory address
  - num:  32
    sym:  MA7
    desc: memory address
  - num:  33
    sym:  TPB
    desc: timing pulse
  - num:  34
    sym:  TPA
    desc: timing pulse
  - num:  35
    sym:  ~MWR~
    desc: write pulse
  - num:  36
    sym:  ~INTERRUPT~
    desc: interrupt
  - num:  37
    sym:  ~DMA_OUT~
    desc: DMA out
  - num:  38
    sym:  ~DMA_IN~
    desc: DMA in
  - num:  39
    sym:  ~XTAL~
    desc: crystal input, for on-chip oscillator
  - num:  40
    sym:  V__DD
    desc: internal voltage supply
specs:
  - param: "Maximum input clock maximum frequency at 5V"
    val:   3.2
    unit:  MHz
  - param: "Maximum input clock maximum frequency at 10V"
    val:   6.4
    unit:  MHz
  - param: "Minimum instruction fetch-execute time at 5V"
    val:   5.0
    unit:  "µs"
notes:
...