TP |
Purpose |
Expectations |
TP1 |
14.31818MHz clock to TVP5150 OSC |
14.31818MHz waveform |
TP2 |
1.8V to TVP5150 |
+1.8V |
TP3 |
3.3V |
+3.3V |
TP4 |
+5V before YPS VREG |
+5V |
TP5 |
+3.3V after TPS VREG |
+3.3V |
TP6 |
Connected to GPIO1 |
? |
TP7 |
SDRAM clock |
SDRAM can clock up to 125MHz... |
TP8 |
SD card DAT2 |
? |
TP9 |
DM320 48MHz clock |
48MHz waveform |
TP10 |
PLL1705 27MHz clock |
27MHz waveform |
TP11 |
Audio clock |
? |
TP12 |
27MHz from PLL |
27MHz waveform (for video encoder) |
TP13 |
!RESET |
High (+3.3V) unless reset |
TP14 |
+3.3V to CF card |
+3.3V |
TP15 |
+3.3V pullup for CF control signals |
+3.3V? |
TP16 |
CF PWR ON signal |
High (+3.3V) if CF powered |
TP17 |
CF ENABLE |
High (+3.3V) if CF enabled |
TP18 |
DM9000 TXVDD |
+3.3V? |
TP19 |
DM9000 25MHz OSC |
25MHz waveform |
TP20 |
+3,3V for network interface |
+3.3V |
TP21 |
Right audio output |
Line level audio |
TP22 |
CVBS video output |
PAL or NTSC composite video signal |
TP23 |
Left audio output |
Line level audio |
TP24 |
Audio clock (at entry to CODEC) |
? 27MHz? |
TP25 |
+3.3V at OPA360 video filter |
|
TP26 |
Raw CV OUT (video prior to filter) |
Akin to a composite video signal? |
TP27 |
Filtered and shaped video signal |
Composite video signal |
TP28 |
Raw composite video input (or S-video luminance) |
Composite video signal |
TP29 |
Video enable, for switching composite video pass-through when powered down |
+3.3V? to control relay |
TP30 |
Power, +3.3V or from CR2032 cell, to MSP430 MCU |
~3.3V |
TP31 |
32.768kHz clock for RTC |
32.768kHz waveform |
TP32 |
MSPRST |
Pulled low to reset MCU |
TP33 |
IR IN |
Raw signal from IR detector |
TP34 |
IRQ from MCU |
High if MSP430 wants to interrupt DM320 |
TP35 |
IR Blaster |
Signal from DM320 |
TP36 |
IR IRQ |
High if MSP430 wants to signal IR to DM320 |
TP37 |
80kHz signal (from DM320) |
80kHz waveform |
TP38 |
Modulated IR waveform for blaster |
Expect PCM at around 38kHz |
TP39 |
USB PWR |
High if USB port is powered |
TP40 |
USB VBUS |
+5V |
TP41 |
+5V raw power input |
+5V |
TP42 |
+5V raw power input, after fuse |
+5V |
TP43 |
Master +3.3V after VREG |
+3.3V |
TP44 |
CVDD after VREG |
? +3.3V? |