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NXP Semiconductors
UM191812
PN544 C2 User Manual
191812
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© NXP B.V. 2010. All rights reserved.
User Manual
Rev. 1.2 — 2010-06-16
48 of 172
The response to the
NXP_SELF_TEST_SWP
command is as follows:
Table 31.
SWP Self test Command Response
Description
Length
ErrorCode 1
PmuVccStatus 1
ErrorCode field indicates which condition has made the test failing:
0x00: No failure
0x01: SWP self test failed
PmuVccStatus field indicates if the PmuVcc is present or not:
0x00: PmuVcc not present
0x01: PmuVcc present
Note: Pay attention that to make the detection working, PmuVcc must be present when
PN544 is booting.
Table 32.
Type Approval Test commands
Value Command
Description
‘25’
NXP_PRBS_TEST
Perform PRBS test sequence. As soon as the test is started,
PN544 generates PRBS9 [511 bits] data stream over the
contactless interface. PRBS test is ended via PN544 external
reset (when the test is started no response to this command
is sent by PN544 to the host).
The
NXP_PRBS_TEST
command has the following parameters:
Table 33.
PRBS test Command
Description Length
Technology 1
Bitrate 1
Technology indicates the RF modulation type to be used for the test
Table 34.
PRBS test Command Technology Parameter
Value Description
0x00 Type
A
0x01 Type
B