TC1796
Peripheral Units (Vol. 2 of 2)
General Purpose Timer Array (GPTA)
User’s Manual 24-124 V2.0, 2007-07
GPTA, V2.0
Variables
Input, Local, Output variables of the cell (I, L, O)
Global variables
Name x = [0,1] for PDL
k = [0 to 5] for FPC
Short
Name
(*)PDL
Used
(ILO)
Comment
FPCk.Signal_Output.Transition
FPCk.Signal_Output.Level
SOTk
SOLk
I Transition/Level of signals
coming from FPC
S1.Transition, S1.Level
S2.Transition, S2.Level
S3.Transition, S3.Level
S1T, S1L
S2T, S2L
S3T, S3L
L Transition/Level of Local FPC
signals
PDLx.Signal_Output1.Transition
PDLx.Signal_Output1.Level
SIT0, SIL0
SIT2, SIL2
O Transition/Level of Output 1
signal going to DCM0/DCM2
PDLx.Signal_Output2.Transition
PDLx.Signal_Output2.Level
SIT1, SIL1
SIT3, SIL3
O Transition/Level of Output 2
signal going to DCM1/DCM3
PDLx.Signal_Forward *F0
*F1
O Forward signals to be counted
by LTC
PDLx.Signal_Backward *B0
*B1
O Backward signals to be
counted by LTC
Name x = [0,1] for PDL Short
Name
(*)PDL
Size
(bits)
Function
PDLx.Mux *MUXx 1 Selects PDL speed signal
(instead of FPC feed-through
signal) for output 1
PDLx.Three_Sensors_Enable *TSEx 1 Selects 3-sensor option and
PDL error signal (instead of
FPC feed-through signal) for
output 2
PDLx.Error *ERRx 1 Makes it possible for the
software to read PDL error
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