The factory default is none of these jumpers applied, which allows for software control of the clock multiplier via the Options Register. The Options Register powerup default is for a standard
Figure 5 --- Clock multiplier jumper options
SPAD | J2 J3 |
J4
J5
X8
X4
X2
Factory defaults
SPAD | J2 J3 |
J4
J5
X8
X4
X2
X8 mode
SPAD | J2 J3 |
J4
J5
X8
X4
X2
X4 mode
SPAD | J2 J3 |
J4
J5
X8
X4
X2
X2 mode
Quatech | 11 |
