S912XEG128J2VAL
Model | S912XEG128J2VAL |
Description | IC,MICROCONTROLLER,16-BIT,CPU12 CPU,CMOS,QFP,112PIN,PLASTIC |
PDF file | Total 1327 pages (File size: 7M) |
Chip Manufacturer | ROCHESTER |
Appendix A Electrical Characteristics
A.3.1.20
Maximum CCOB Latency
Because of an order from the United States International Trade Commission, BGA-packaged product lines and part numbers indicated here currently are not
available from Freescale for import or sale in the United States prior to September 2010: S12XE products in 208 MAPBGA packages
The maximum time a CCOB command has to wait to be actioned due to an EEE clean up is given where
BWN = 1 if a brownout has occured otherwise BWN = 0. BWN = 1 only for the first ENEEE after reset.
1
1
t
≈
⎛
32364
⋅
------------------------
+
292600
⋅
----------------------------
⎞ ⋅ (
1
+
BWN
)
-
-
⎝
f NVMBUS
⎠
f NVMOP
1100
1
+
BWN
⋅ ⎛
350
⋅
--------------------
+
------------------------
⎞
-
-
⎠
⎝
f
f
NVMOP
NVMBUS
A.3.1.21
Disable EEE (FCMD=0x14)
Maximum time to disable EPROM emulation is given by
1
t
=
300
⋅
----------------------------
-
f
NVMBUS
A.3.1.22
EEE Query (FCMD=0x15)
Maximum time for the EEE query command is given by
1
t
=
300
⋅
----------------------------
-
f NVMBUS
A.3.1.23
Partition D-Flash (FCMD=0x20)
The maximum time for partitioning the D-flash (ERPART=16, DFPART=0) is given by
1
1
t
≈
21800
⋅
------------------------
+
400000
⋅
----------------------------
-
-
f NVMBUS
f NVMOP
MC9S12XE-Family Reference Manual Rev. 1.19
Freescale Semiconductor
1229