PC912XDP512F0MPVR datasheet(1110/1348 Pages) FREESCALE

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Chapter 27 512 Kbyte Flash Module (S12XFTX512K4V2)

MC9S12XDP512 Data Sheet, Rev. 2.21

1112

Freescale Semiconductor

The Flash module also contains a set of 16 control and status registers located between module base +

0x0000 and 0x000F. A summary of the Flash module registers is given in Table 27-2 while their

accessibility is detailed in Section 27.3.2, “Register Descriptions”.

Table 27-2. Flash Register Map

Module

Base +

Normal Mode

Access

0x0000

Flash Clock Divider Register (FCLKDIV)

R/W

0x0001

Flash Security Register (FSEC)

0x0002

Flash Test Mode Register (FTSTMOD)

R/W

0x0003

Flash Conﬁguration Register (FCNFG)

R/W

0x0004

Flash Protection Register (FPROT)

R/W

0x0005

Flash Status Register (FSTAT)

R/W

0x0006

Flash Command Register (FCMD)

R/W

0x0007

Flash Control Register (FCTL)

0x0008

Flash High Address Register (FADDRHI)1

0x0009

Flash Low Address Register (FADDRLO)1

0x000A

Flash High Data Register (FDATAHI)

0x000B

Flash Low Data Register (FDATALO)

0x000C

RESERVED11

0x000D

RESERVED21

0x000E

RESERVED31

0x000F

RESERVED41

1 Intended for factory test purposes only.

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