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AS3665
Datasheet, Confidential - P r o g r a m m i n g S e q u e n c e r C o m m a n d s
With the Set PWM to variable command PWM(s) (PWM channels are connected to a sequencer as shown in section
MUX tables - assignments of sequencers to channels on page 49 ) can be immediately forced to a value of a variable:
Table 75. Set PWM to variable Command
Set PWM to variable Command
Force PWM
Name
Bits
Bitname
Parameter Description
Compiler syntax: SPV, variable;
D15:D2
10000100_
011000b
Set PWM to
variable
D1:D0
variable
0
1
The content of the variable is used to set the PWM value:
0...off
255...full scale
variable ra
variable rb
2
3
variable rc
variable rd
With the GoTo Start command the program counter of the sequencer is reset to its start value:
Table 76. GoTo Start Command
GoTo Start Command
Name
Bits
Bitname
Parameter Description
Compiler syntax: GTS;
GoTo Start
D15:D0
00000000_
00000000b
(0000h)
Set sequencer program counter to start address
if sequencer 1 then PC1 = start_addr1
if sequencer 2 then PC2 = start_addr2
if sequencer 3 then PC3 = start_addr3
With the Branch command loops can be implemented. Loops can be nested without limits:
Table 77. Branch Command
Branch Command
Name
Bits
Bitname
Parameter Description
Compiler syntax: BRN, loop count, step number;
D15:D13
010b
Branch
D12:D7
D6:D0
loop count
step number
0
1-63
0-127
infinite loops
1 to 63 loops
jump to ‘step number ’ for ‘loop count’ times;
sets the PC of this sequencer = ‘step number ’; in the compiler
‘step number ’ can be defined by a label
With the Branch with variable command loops can be implemented. The number of loops are defined by a variable.
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