
MOTOROLA
MC68HC916X1
124
MC68HC916X1TS/D
9.3 Flash EEPROM Control Block
Each flash EEPROM module has a 32 byte control block with five registers to control flash EE-
PROM operation: the flash EEPROM module configuration register (FEE1MCR, FEE2MCR), the
flash EEPROM test register (FEE1TST, FEE2TST), the flash EEPROM array base address regis-
ters (FEE1BAH, FEE2BAH, and FEE1BAL, FEE2BAL), and the flash EEPROM control register
(FEE1CTL, FEE2CTL). Four additional flash EEPROM words in the control block can contain boot-
strap information for use during reset. Control registers are located in supervisor data space.
1. Y = M111, where M is the logic state of the module mapping (MM) bit in the SCIMCR.
Table 65 Flash EEPROM Address Map
Address
Register
Module
$YFF8001
FLASH EEPROM MODULE CONFIGURATION
(FEE1MCR)
16 KBYTE FLASH EEPROM
$YFF802
FLASH EEPROM TEST REGISTER (FEE1TST)
$YFF804
FLASH EEPROM BASE ADDRESS HIGH (FEE1BAH)
$YFF806
FLASH EEPROM BASE ADDRESS LOW (FEE1BAL)
$YFF808
FLASH EEPROM CONTROL REGISTER (FEE1CTL)
$YFF80A
RESERVED
$YFF80C
RESERVED
$YFF80E
RESERVED
$YFF810
FLASH EEPROM BOOTSTRAP WORD 0 (FEE1BS0)
$YFF812
FLASH EEPROM BOOTSTRAP WORD 1 (FEE1BS1)
$YFF814
FLASH EEPROM BOOTSTRAP WORD 2 (FEE1BS2)
$YFF816
FLASH EEPROM BOOTSTRAP WORD 3 (FEE1BS3)
$YFF818
RESERVED
$YFF81A
RESERVED
$YFF81C
RESERVED
$YFF81E
RESERVED
$YFF820
FLASH EEPROM MODULE CONFIGURATION
(FEE2MCR)
32 KBYTE FLASH EEPROM
$YFF822
FLASH EEPROM TEST REGISTER (FEE2TST)
$YFF824
FLASH EEPROM BASE ADDRESS HIGH (FEE2BAH)
$YFF826
FLASH EEPROM BASE ADDRESS LOW (FEE2BAL)
$YFF828
FLASH EEPROM CONTROL REGISTER (FEE2CTL)
$YFF82A
RESERVED
$YFF82C
RESERVED
$YFF82E
RESERVED
$YFF830
FLASH EEPROM BOOTSTRAP WORD 0 (FEE2BS0)
$YFF832
FLASH EEPROM BOOTSTRAP WORD 1 (FEE2BS1)
$YFF834
FLASH EEPROM BOOTSTRAP WORD 2 (FEE2BS2)
$YFF836
FLASH EEPROM BOOTSTRAP WORD 3 (FEE2BS3)
$YFF838
RESERVED
$YFF83A
RESERVED
$YFF83C
RESERVED
$YFF83E
RESERVED
F
re
e
sc
a
le
S
e
m
ic
o
n
d
u
c
to
r,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
c
..
.