Document Version 1.0
Last revised on
2018-‐10-‐22
Page 67 of 79
Reference Manual for uTrust 5501 F Reader/Writer Module
Output:
For retrieving all settings (0xFE), the output will be:
Byte0
Value
Description
Byte 1
Byte2
0x00
Starts with Class C voltage.
(1.8V – 3V – 5V order)
Time delay between
resets in milliseconds
Bit Map of all Voltage
Classes
[Bit0 – Class A; Bit1 –
Class B; Bit2 – Class C]
0x01
Starts with Class A voltage.
(5V – 3V – 1.8V order)
For retrieving current power-‐up sequence (0xFF), the output will be:
Byte0 Value
Description
0x00
Starts with Class C voltage. (1.8V – 3V – 5V order)
0x01
Starts with Class A voltage. (5V – 3V – 1.8V order)
Example:
Retrieve all current settings:
DataIn =
04 FE
DataOut:
01 0A 07
(3 bytes)
00:
Starting with Class A
0A:
10ms delay between resets
07:
Class A, B, and C enabled
6.3.5.2.
CONTACT_EMV_LOOPBACK
This escape command lets the host force the firmware to perform an EMV loop-‐back application.
Input:
The input buffer contains the escape code value.
Byte0
Escape code(0x05)
Output
:
Output buffer
NULL
