mc9s12vr48 Freescale Semiconductor, Inc, mc9s12vr48 Datasheet - Page 558

• Manufacturer Part Number: mc9s12vr48
• Description: S12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

FTMRG Electrical Specifications
M.1.3
The maximum time to erase verify a section of P-Flash depends on the number of phrases being verified
(N
M.1.4
The maximum read once time is given by:
M.1.5
The programming time for a single phrase of four P-Flash words and the two seven-bit ECC fields is
dependent on the bus frequency, f
The typical phrase programming time is given by:
The maximum phrase programming time is given by:
M.1.6
The maximum time required to program a P-Flash Program Once field is given by:
M.1.7
The time required to erase all blocks is given by:
for 64 Kbyte P-Flash and 512byte D-Flash (FTMRG64K512)
558
VP
t
t
t 62
t
) and is given by:
t
t
=
≈
mass
ppgm
ppgm
≈
(
550
550
≈
≈
≈
⋅
⋅
----------------- -
f
68
Erase Verify P-Flash Section (FCMD=0x03)
+
Read Once (FCMD=0x04)
Program P-Flash (FCMD=0x06)
Program Once (FCMD=0x07)
Erase All Blocks (FCMD=0x08)
62
62
NVMOP
-------------------- -
f
NVMBUS
N
----------------- -
f
1
NVMOP
⋅
⋅
VP
1
----------------- -
f
----------------- -
f
NVMOP
NVMOP
1
)
+
⋅
1
1
-------------------- -
f
2900
NVMBUS
+
17500
1
+
+
2900
3100
⋅
-------------------- -
f
NVMBUS
⋅
1
⋅
⋅
-------------------- -
f
NVMBUS
-------------------- -
f
-------------------- -
f
NVMBUS
NVMBUS
MC9S12VR Family Reference Manual,
Preliminary - Subject to Change Without Notice
1
NVMBUS
1
1
, as well as on the NVM operating frequency, f
Rev. 2.2
Freescale Semiconductor
NVMOP
.