Changes
/* ECB Bus Hardware for CPC */
* [[Schneiderware]] DIY series ([[CPC Schneider International]] magazine)
* '''Sikos ECB Bus''' (reviewed in [[CPC Schneider International]] 8-1986, page 67)
== ECB Bus Pin-Outs ==
The ECB Bus uses 3x32 pin connectors (96 pins), of which, the middle row is used only for newer "16bit" cards. On normal cards usually 2x32 (64 pins) are connected.
{|{{Prettytable|width: 700px; font-size: 2em;}}
|Pin || A || B || C
|-
|1 || +5V || (+5V) || +5V
|-
|2 || D5 || (A20) || D0
|-
|3 || D6 || (A21) || D7
|-
|4 || D3 || (A22) || D2
|-
|5 || D4 || (A23) || A0
|-
|6 || A2 || (D8) || A3
|-
|7 || A4 || (D9) || A1
|-
|8 || A5 || (D10) || A8
|-
|9 || A6 || (D11) || A7
|-
|10 || /WAIT || (D12) || (xxx)
|-
|11 || /BUSRQ || (D13) || IEI
|-
|12 || (A18) || (D14) || (A19)
|-
|13 || +12V || (D15) || (xxx)
|-
|14 || -12V || (IRQ7) || D1
|-
|15 || (-5V) || (IRQ6) || (--)
|-
|16 || (2PHI) || (IRQ5) || IEO
|-
|17 || (A17) || (IRQ4) || A11
|-
|18 || A14 || (IRQ3) || A10
|-
|19 || (--) || (IRQ2) || (A16)
|-
|20 || /M1 || (IRQ1) || /NMI
|-
|21 || (xxx) || (IRQ0) || /INT
|-
|22 || (--) || (IOWR) || /WR
|-
|23 || (/BAI) || (xxx) || (--)
|-
|24 || (UBAT) || (IORD) || /RD
|-
|25 || (/BAO) || (MEMRD) || /HALT
|-
|26 || (xxx) || (xxx) || (/PCL)
|-
|27 || /IORQ || (MEMWR) || A12
|-
|28 || /RFSH || (DS0) || A15
|-
|29 || A13 || (DS1) || PHI
|-
|30 || A9 || (OFF) || /MREQ
|-
|31 || /BUSAK || (LOCK) || /RESET
|-
|32 || GND || (GND) || GND
|-
|}
Signals in brackets "(...)" aren't available on all ECB variants.
== Weblinks ==
