Equinox Systems GEMINI Guide de l'utilisateur télécharger pdf (Page 36)

User Guide V1.10

Parameter Description Default (ms) Min (ms) Max (ms)

Target Settings continued

Timing Parameters

The Gemini software allows you to set up all of the relevant timings for entering and exiting

‘Serial Programming Mode’. The default timings for T1...T6 have been chosen to suit a C/R

network.

T1 Safe Shutdown Delay 200 1 4,000

Time between the PROG_ACTIVE line

being asserted to the PROG_RESET being

asserted

T2 RESET Hold Time 200 1 4,000

Time from RESET being asserted to the

Vpp generator being switched on or off

(if Vpp is required)

T3 RESET Release Time 500 1 4,000

Time allowed for the target RESET circuit

to decay from Vcc to 0V once the

PROG_RESET line is released (i.e. tri-stated).

T4 Vpp Ramp Up Time 500 1 4,000

Time allowed for the Vpp generator

voltage to ramp up and settle at the final

specified Vpp value.

T5 Vpp Ramp Down Time 1,000 1 4,000

This is the time allowed for the Vpp

generator voltage to ramp down from the

specified Vpp value to Vcc.

T6 Reserved for future use - - -

Figure 23

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Equinox Systems GEMINI Guide de l'utilisateur Page 36