# Define the clock frequency
@freq 1000
# Define the clock type and the active edge
@clock source internal
@clock pll enable
@clock output disable
@clock outputratio 1
@clock type continuous
@clock polarity positive
@clock sample rising
# Define the trigger type and pattern
@trigger type internal
@trigger ctrl 0x00 0x00
# ----------------
#  Begin of control section
# 
@ctrl_begin
#  pin      543210
   @header  ——-O
   @default 000000
@ctrl_end
# 
#  End of control section
# ----------------
# ----------------
#  Begin of data section
# 
@data_begin
#  pin         FEDCBA9876543210
   @header     ------OOOOOO
@data_end
# 
#  End of data section
# ----------------
Listing 1—There isn’t much here, but it’s a good start. The @header command uses the letter O to assign pins as output. GP-22050 I/O and control pins that are identified with – signs are placed in a high-impedance state and aren’t configured as outputs.