Freescale Semiconductor Demonstration Board for Freescale MC9S12XHY256 Microcontroller DEMO9S12XHY256 DEMO9S12XHY256 用户手册
产品代码
DEMO9S12XHY256
Electrical Characteristics
MC9S12XHY-Family Reference Manual, Rev. 1.04
738
Freescale Semiconductor
The typical phrase programming time can be calculated using the following equation
The maximum phrase programming time can be calculated using the following equation
A.3.1.6
P-Flash Program Once (FCMD=0x07)
The maximum P-Flash Program Once time is given by
A.3.1.7
Erase All Blocks (FCMD=0x08)
Erasing all blocks takes:
t
bwpgm
128
1
f
NVMOP
-------------------------
1725
1
f
NVMBUS
-----------------------------
⋅
+
⋅
=
t
bwpgm
130
1
f
NVMOP
-------------------------
2125
1
f
NVMBUS
-----------------------------
⋅
+
⋅
=
t
bwpgm
162
1
f
NVMOP
-------------------------
2400
1
f
NVMBUS
----------------------------
⋅
+
⋅
≈
t
mass
100100
1
f
NVMOP
-------------------------
35000
1
f
NVMBUS
----------------------------
⋅
+
⋅
≈