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DTL H2000 hardware reverse engineering debug headers
Nicolas Noble edited this page Mar 5, 2020
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7 revisions
- CL801 - SBUS - Address 0 to 13 (SPU related?) + !WRs
ODD | EVEN |
---|---|
GND | SA0 |
SA1 | SA2 |
SA3 | SA4 |
SA5 | SA6 |
SA7 | SA8 |
SA9 | SA10 |
SA11 | SA12 |
SA13 | !SWR0 |
!SWR1 | ?? |
?? | ?? |
- CL802 - SBUS - SBUS Data + !RD
ODD | EVEN |
---|---|
GND | SD0 |
SD1 | SD2 |
SD3 | SD4 |
SD5 | SD6 |
SD7 | SD8 |
SD9 | SD10 |
SD11 | SD12 |
SD13 | SD14 |
SD15 | !SRD |
?? | ?? |
- CL807 - DBUS Low 16-bits data + RAS0
ODD | EVEN |
---|---|
GND | DD0 |
DD1 | DD2 |
DD3 | DD4 |
DD5 | DD6 |
DD7 | DD8 |
DD9 | DD10 |
DD11 | DD12 |
DD13 | DD14 |
DD15 | !DRAS0 |
?? | ?? |
- CL809 - DBUS High 16-bits data + RAS1
ODD | EVEN |
---|---|
GND | DD16 |
DD17 | DD18 |
DD19 | DD20 |
DD21 | DD22 |
DD23 | DD24 |
DD25 | DD26 |
DD27 | DD28 |
DD29 | DD30 |
DD31 | !DRAS1 |
?? | ?? |
- CL811 - DBUS Addresses + CAS + !WR
ODD | EVEN |
---|---|
GND | DA0 |
DA1 | DA2 |
DA3 | DA4 |
DA5 | DA6 |
DA7 | DA8 |
DA9 | DA10 |
DA11 | !DCAS0 |
!DCAS1 | !DCAS2 |
!DCAS3 | !DWE |
?? | ?? |
- CL813 - VBUS Low 16 bits DATA + ??
ODD | EVEN |
---|---|
GND | VD0 |
VD1 | VD2 |
VD3 | VD4 |
VD5 | VD6 |
VD7 | VD8 |
VD9 | VD10 |
VD11 | VD12 |
VD13 | VD14 |
VD15 | GPU-155 (clock?) |
?? | ?? |
- CL814 - VBUS High 16 bits DATA + ??
ODD | EVEN |
---|---|
GND | VD16 |
VD17 | VD18 |
VD19 | VD20 |
VD21 | VD22 |
VD23 | VD24 |
VD25 | VD26 |
VD27 | VD28 |
VD29 | VD30 |
VD31 | !CS7? |
GPU-145 (clock?) | ?? |
- CL825 - VRAM1 Address + misc shared signals in bold
ODD | EVEN |
---|---|
GND | A0 |
A1 | A2 |
A3 | A4 |
A5 | A6 |
A7 | A8 |
GND | !CAS |
GND | !RAS |
!DT/!OE | !WBL |
!WBU | ?? |
?? | ?? |
- CL826 - VRAM2 Address + misc shared signals in bold
ODD | EVEN |
---|---|
GND | A0 |
A1 | A2 |
A3 | A4 |
A5 | A6 |
A7 | A8 |
GND | !CAS |
GND | !DT/!OE |
OSF | !SE |
SC | ?? |
?? | ?? |
- CL827 - VRAM1 Data
ODD | EVEN |
---|---|
GND | DQ0 |
DQ1 | DQ2 |
DQ3 | DQ4 |
DQ5 | DQ6 |
DQ7 | DQ8 |
DQ9 | DQ10 |
DQ11 | DQ12 |
DQ13 | DQ14 |
DQ15 | ?? |
?? | ?? |
- CL828 - VRAM2 Data
ODD | EVEN |
---|---|
GND | DQ0 |
DQ1 | DQ2 |
DQ3 | DQ4 |
DQ5 | DQ6 |
DQ7 | DQ8 |
DQ9 | DQ10 |
DQ11 | DQ12 |
DQ13 | DQ14 |
DQ15 | ?? |
?? | ?? |