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Instruction Set www.ti.com
23.5.3.23 WCAP (Software Capture Word)
Syntax WCAP {
[brk={OFF | ON}]
[next={label | 9-bit unsigned integer}]
[reqnum={3-bit unsigned integer}
[request={NOREQ | GENREQ | QUIET}]
[hr_lr={HIGH | LOW}]
[control={OFF | ON}]
[prv={OFF | ON}]
[cond_addr={label | 9-bit unsigned integer}]
pin ={pin number}
event={NOCOND | FALL | RISE | BOTH}
reg={A | B | R | S | T | NONE}
[irq={OFF | ON}]
[data={25-bit unsigned integer]
[hr_data={7-bit unsigned integer}]
}
Figure 23-145. WCAP Program Field (P31:P0)
31 26 25 23 22 21 13 12 9 8 7 0
0 Request BRK Next program address 1011 hr_lr Reserved
Number
6 3 1 9 4 1 8
Figure 23-146. WCAP Control Field (C31:C0)
31 29 28 27 26 25 24 22 21 16
Reserved Request type Control Prv. Reserved Conditional address
3 2 1 1 3 9
15 13 12 8 7 6 5 4 3 2 1 0
Conditional address Pin select Ext Capture Reserved Register select Int.
Reg condition ena
9 5 1 2 2 2 1
Figure 23-147. WCAP Data Field (D31:D0)
31 7 6 0
Data HR Data
25 7
Cycles One
Register modified None
Description This instruction captures the selected register into the data field if the specified
capture condition is true on the selected pin. This instruction can be used with
all pins.
If the hr_lr bit is reset, the WCAP instruction will capture an HR time stamp
into the data field on the selected edge condition. If the hr_lr bit is set, the HR
capture is ignored.
1060
High-End Timer (N2HET) Module SPNU562–May 2014
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