signal | Frequency (approximate) | Chip and pin |
6Mhz | 6 Mhz | 6D pin #14 |
1H | 3 Mhz | 6D pin #13 |
2H | 1.5 Mhz | 6D pin #12 |
4H | 775 Khz | 6D pin #11 |
8H | 380 Khz | 6E pin #14 |
16H | 195 Khz | 6E pin #13 |
32H | 90 Khz Khz | 6E pin #12 |
64H | 47 Khz Khz | 6E pin #11 |
128H | 15.7 Khz | 6F pin #14 |
256H | 15.7 Khz | 6F pin #13 |
!1H | 3Mhz | 6C pin #2 |
!4H | 775 Khz | 6C pin #8 |
HSYNC | 15.7 Khz | 9H pin #5 |
!HSYNC | 15.7 Khz (inverted in respect to previous | 9H pin #6 |
256HD | 15.7 Khz | 10D pin #5 |
!256HD | 15.7 Khz (inverted in respect to previous | 10D pin #6 |
256H2D | 15.7 Khz | 10D pin #9 |
signal | Frequency | Chip and Pin |
Clock to chip 7C | 15.7 Khz | 7C pin #2 |
1V | 7.8 Khz | 7C pin #14 |
2V | 4 Khz | 7C pin #13 |
4V | 2 Khz | 7C pin #12 |
8V | 1 Khz | 7C pin #11 |
16V | 480 Hz | 7D pin #14 |
32V | 240 Hz | 7D pin #13 |
64V | 120 Hhz | 7D pin #12 |
128V | 60 Hhz | 7D pin #11 |