AM-100 bus

From HwB

Alpha Micro made a version of S-100 bus for 16-bit processor.

Contents

Pinout

1     (Component side)      50
==============================
100     (Solder side)       51
Pin Name Type Dir Description
1 +8 V Power Arrowr.png +8 Volts
2 +18 V Power Arrowr.png +18 Volts
3 ---- Fr panel Arrowr.png External Ready To Processor
4 /VI0 Control Arrowl.png Vector Interrupt Line 0
5 /VI1 Control Arrowl.png Vector Interrupt Line 1
6 /VI2 Control Arrowl.png Vector Interrupt Line 2
7 /VI3 Control Arrowl.png Vector Interrupt Line 3
8 /VI4 Control Arrowl.png Vector Interrupt Line 4
9 /VI5 Control Arrowl.png Vector Interrupt Line 5
10 /VI6 Control Arrowl.png Vector Interrupt Line 6
11 /VI7 Control Arrowl.png Vector Interrupt Line 7
12
13
14
15
16
17
18 ----
19 ----
20  ???
21 ---
22 ---
23 ---
24 phi2 Clock Arrowr.png Primary Processor Clock Line
25 /PSTVAL  ?  ?
26 PHLDA Control Arrowr.png Processor In Hold Condition
27 PWAIT Control Arrowr.png Processor In Wait Condition
28 PINTE Control Arrowr.png Processor Permits Interrupts When Active
29 A5 Address Arrowr.png Address Line 5
30 A4 Address Arrowr.png Address Line 4
31 A3 Address Arrowr.png Address Line 3
32 A15 Address Arrowr.png Address Line 15
33 A12 Address Arrowr.png Address Line 12
34 A9 Address Arrowr.png Address Line 9
35 DO1 Data Arrowr.png Data Output Line 1
36 DO0 Data Arrowr.png Data Output Line 0
37 A10 Address Arrowr.png Address Line 10
38 DO4 Data Arrowr.png Data Output Line 4
39 DO5 Data Arrowr.png Data Output Line 5
40 DO6 Data Arrowr.png Data Output Line 6
41 DI2 Data Arrowl.png Data Input Line 2
42 DI3 Data Arrowl.png Data Input Line 3
43 DI7 Data Arrowl.png Data Input Line 7
44 SM1 State Arrowr.png Processor Instruction Fetch Signal
45 SOUT State Arrowr.png Processor I/O Write Signal
46 SINP State Arrowr.png Processor I/O Read Signal
47 SMEMR State Arrowr.png Processor Memory Read Signal
48
49 CLOC Clock Arrowr.png 2Mhz Clock Signal
50 GND Power Arrow.png Logical And Power Ground
51 +8V Power Arrowr.png +8 Volts
52 -16V Power Arrowr.png -18 Volts
53  ???
54  ???
55  ???
56 /DMAGR7
57 /DMAGR6
58 /DMAGR5
59 /DMAGR4
60 /DMAGR3
61 /DMAGR2
62 /DMAGR1
63 /DMAGR0
64 /DMARCVD
65 ---
66 ---
67  ???
68 MWRT Ctrl/frp Arrowr.png Memory Write From Processor Or Front Panel
69  ???
70  ???
71  ???
72  ???
73  ???
74 /DMAREQ  ? DMA Request
75 /PRESET Control Arrowl.png Forces Processor To Reset State
76  ???
77 /PWR Control Arrowr.png Active When Processor Writes (I/O Or Memory)
78 PDBIN Control Arrowr.png Active When Processor Reads (I/O Or Memory)
79 A0 Address Arrowr.png Address Line 0
80 A1 Address Arrowr.png Address Line 1
81 A2 Address Arrowr.png Address Line 2
82 A6 Address Arrowr.png Address Line 6
83 A7 Address Arrowr.png Address Line 7
84 A8 Address Arrowr.png Address Line 8
85 A13 Address Arrowr.png Address Line 13
86 A14 Address Arrowr.png Address Line 14
87 A11 Address Arrowr.png Address Line 11
88 DO2 Data Arrowr.png Data Output Line 2
89 DO3 Data Arrowr.png Data Output Line 3
90 DO7 Data Arrowr.png Data Output Line 7
91 DI4 Data Arrowl.png Data Input Line 4
92 DI5 Data Arrowl.png Data Input Line 5
93 DI6 Data Arrowl.png Data Input Line 6
94 DI1 Data Arrowl.png Data Input Line 1
95 DI0 Data Arrowl.png Data Input Line 0
96 SINTA Control Arrowr.png Acknowledge Signal For Pint Request
97 /SWO Control Arrowr.png Processor In Write Status
98  ???
99 /POC Ft panel Arrowr.png Power-On Clear Signal
100 GND Arrow.png Power And Signal Ground

Note: Direction is CPU/Frontpanel relative cards.

See also

Contributors

Sources