PNX1302EH/G,557 Trident Microsystems, Inc., PNX1302EH/G,557 Datasheet - Page 317
PNX1302EH/G,557
Manufacturer Part Number
PNX1302EH/G,557
Description
Manufacturer
Trident Microsystems, Inc.
Datasheet
1.PNX1302EHG557.pdf
(548 pages)
Specifications of PNX1302EH/G,557
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PNX1300/01/02/11 Data Book
curcycles
SYNTAX
FUNCTION
DESCRIPTION
curcycles
destination register, rdest.. The master CCCOUNT increments on all cycles (processor-stall and non-stall) if
PCSW.CS = 1; otherwise, the counter increments only on non-stall cycles.
modification of the destination register. If the LSB of rguard is 1, rdest is written; otherwise, rdest is not changed.
EXAMPLES
A-19
CCCOUNT_HR = 0xabcdefff12345678
r10 = 0, CCCOUNT_HR = 0xabcdefff12345678
r20 = 1, CCCOUNT_HR = 0xabcdefff12345678
Refer to
The
[ IF rguard ] curcycles → rdest
if rguard then
rdest ← CCCOUNT<31:0>
curcycles
Section 3.1.5, “CCCOUNT—Clock Cycle Counter”
operation copies the current low 32 bits of the master Clock Cycle Counter (CCCOUNT) to the
Initial Values
operation optionally takes a guard, specified in rguard. If a guard is present, its LSB controls the
PRELIMINARY SPECIFICATION
curcycles → r60
IF r10 curcycles → r70
IF r20 curcycles → r100
Read current clock cycle counter, least-
Operation
for a description of the CCCOUNT operation. The
Function unit
Operation code
Number of operands
Modifier
Modifier range
Latency
Issue slots
cycles hicycles writepcsw
r30 ← 0x12345678
no change, since guard is false
r100 ← 0x12345678
Philips Semiconductors
significant word
ATTRIBUTES
SEE ALSO
Result
fcomp
162
No
—
0
1
3
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