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ML51/ML54/ML56
Sep. 01, 2020
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Tec
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Manual
6.1.3
96-Bit Unique Code (UID)
Before shipping out, each ML51/ML54/ML56 Series chip was factory pre-programmed with a 96-bit
width serial number, which is guaranteed to be unique for each piece of ML51/ML54/ML56 Series. The
serial number is called Unique Code or UID. The user can read the Unique Code only by IAP
command. More details please see Chapter 6.3.1 In-application-programming (IAP).
IAP Mode
IAPCN
IAPA[15:0]
{IAPAH, IAPAL}
IAPFD[7:0]
IAPB [1:0]
FOEN
FCEN
FCTRL [3:0]
96-bit Unique Code read
XX
0
0
0100
0000H to 000BH
Data out
6.1.4
Data Flash
ML51/ML54/ML56 Series Data Flash is shared with APROM or LDROM. Any page of APROM or
LDROM can be used as non-volatile data Flash storage and size no need special configuration. The
base address of Data Flash is determined by applying IAP, For IAP details, please see Chapter 6.3.1
In-application-programming (IAP). All of embedded Flash memory is 128 bytes per page erased.