mc9s12xf512 Freescale Semiconductor, Inc, mc9s12xf512 Datasheet - Page 1204

• Manufacturer Part Number: mc9s12xf512
• Description: S12x Microcontrollers 16-bit Automotive Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Appendix A Electrical Characteristics
A.3.1.19
Maximum time to enable EPROM emulation is given by
where N
contain the latest active data and would need to be copied. The maximum possible is 33 (2048 EEE RAM
words /63 =32.5) although this is a highly unlikely scenario. The impact of a worst case brownout recovery
scenario is denoted by BWN = 2 for non brownout situations BWN =0.
1204
SEC
t
⎛
⎝
(
=
3050
is the number of sectors of constant data. A constant sector is one in which all 63 records
Enable EEE (FCMD=0x13)
⎛
⎝
⎛
⎝
(
(
⋅
1100 BWN
(
1
+
BWN
⋅
)
+
+
(
(
MC9S12XF - Family Reference Manual, Rev.1.19
N
176
SEC
⋅
+
(
1
BWN
+
BWN
) 290500
⋅
)
+
(
BWN
)
⋅
-------------------- -
f
+
NVMBUS
N
1
SEC
) 32364
⎞
⎠
⋅
⎞
⎠
)
)
)
⋅
----------------- -
f
NVMOP
1
⎞
⎠
+
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