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Diffstat (limited to 'flashrom.8.tmpl')
| -rw-r--r-- | flashrom.8.tmpl | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/flashrom.8.tmpl b/flashrom.8.tmpl index 4ae7e71bf..228e17bb5 100644 --- a/flashrom.8.tmpl +++ b/flashrom.8.tmpl @@ -952,7 +952,21 @@ can be More information about the Bus Pirate pull-up resistors and their purpose is available .URLB "http://dangerousprototypes.com/docs/Practical_guide_to_Bus_Pirate_pull-up_resistors" \ "in a guide by dangerousprototypes" . -Only the external supply voltage (Vpu) is supported as of this writing. +.sp +The state of the Bus Pirate power supply pins is controllable through an optional +.B psus +parameter. Syntax is +.sp +.B " flashrom -p buspirate_spi:psus=state" +.sp +where +.B state +can be +.BR on " or " off . +This allows the bus pirate to power the ROM chip directly. This may also be used to provide the +required pullup voltage (when using the +.B pullups +option), by connecting the Bus Pirate's Vpu input to the appropriate Vcc pin. .SS .BR "pickit2_spi " programmer .IP |