CV-M9 GE
- 9 -
6.2.4. Equivalent circuit for TTL OUT 1 and 2 outputs
This circuit is for TTL OUT 1 and 2 through pins 8 and 9 at
the Hirose 12-pin connector.
+5V
Q1A
2
1
6
Q1B
5
4
3
R1
10
R2
10
R3
120
R4
150
TTL_OUT1
The output is sent from a 75 ohm source which is a
complementary Emitter-follower circuit.
The supply voltage for this circuit is 5V.
Fig.7 Hirose TTL OUT equivalent circuit
6.3. Configuring the GPIO module (register settings)
6.3.1. Signal Selector
Address Internal Name
Access
Size Value (Range)
0xB058 CAMERA TRIG Selector
R/W
4
0xB05C CAMERA Ex. VD Selector
R/W
4
0xB060 CAMERA Ex. HD Selector
R/W
4
0xB064 HIROSE
TTL OUT 1 Selector
R/W
4
0xB068 HIROSE
TTL OUT 2 Selector
R/W
4
0xB06C Pulse Generator 0 Selector
R/W
4
0xB070 Pulse Generator 1 Selector
R/W
4
0xB074 Pulse Generator 2 Selector
R/W
4
0xB078 Pulse Generator 3 Selector
R/W
4
GPIO Selector:
0x00:CAMERA LVAL IN
0x01:CAMERA DVAL IN
0x02:CAMERA FVAL IN
0x03:CAMERA EEN IN
0x04:HIROSE TTL IN 1
0x05:HIROSE TTL IN 2
0x06:HIROSE TTL IN 3
0x07:HIROSE LVDS IN
0x09:SOFT TRIG 0
0x0D:Pulse Generator 0
0x0E:Pulse Generator 1
0x0F:Pulse Generator 2
0x10:Pulse Generator 3
0x7F:No Connect
Add 0x80 will result in low
active output.
6.3.2. xTTL_LVDS Selector
Address
Internal Name
Access
Size
Setting Value (and range)
0xA8B0 xTTL_LVDS
Select
R/W
4 0x00 : TTL In 1, TTL In 2 Active
0x01 : LVDS In Active