Fonas Baseball

Chip labeled 
TMS1000NLL
MP0154
MSL 7940
SINGAPORE

die labeled
MP0154

10 buttons
1 switch: 1/2 players, Practice
4 7-segment LEDs
37 LEDs
Piezo buzzer


TMS1000 pinout
1  R8   - digit 4 (left)
2  R9   - buttons and piezo
3  R10  - buttons and piezo
4  VDD  - batt -
5  K1   - buttons
6  K2   - buttons
7  K4   - buttons
8  K8   - buttons
9  INIT - reset button
10 O7   - G / LEDs
11 O6   - F / LEDs
12 O5   - E / LEDs
13 O4   - D / LEDs
14 O3   - C / LEDs
15 O2   - B / LEDs
16 O1   - A / LEDs
17 O0   - dot / LEDs
18 OSC1 - OSC2 and 39pF cap to VSS, 51K resistor to VDD
19 OSC2 - OSC1
20 VSS  - batt + via switch
21 R0   - LEDs
22 R1   - LEDs
23 R2   - LEDs
24 R3   - LEDs
25 R4   - LEDs
26 R5   - digit 1 (right)
27 R6   - digit 2
28 R7   - digit 3


button matrix

        K1          K2           K4         K8
R4   pick off       --           1P         2P
R9    score       steal        pitch      swing
R10  curve left    slow     curve right    fast


LEDs

   R0  R1  R2  R3  R4
O0 19  09  21  31  17
O1 22  14  18  28  20
O2 26  16  15  24  23
O3 25  12  10  03  27
O4 05  07  01  11  32
O5 04  29  --  34  35
O6 02  08  13  06  30
O7 --  --  --  --  33 


## dot    dot ##


     1   2
   3       4
 5           6
     7   8
       9
   10     11
 12         13
     14 15
   16 17 18
 19   20    21
  22  23  24
25 26 27 28 29
  30  31  32
  33  34  35