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M16C/62P Group (M16C/62P, M16C/62PT)
Flash Identification Register
b7 b6 b5 b4 b3 b2 b1 b0
NOTES:
1. This register identifies on-chip flash module type of M16C/62 Group. Note, however, no chip version is known by
this register. Follow the procedure described below for the identification.
(a) Write "FFh" to FIDR register,
(b) Read FIDR register, and
(c) Check two low-order bits of read value.
Make sure no access to external memories or other SFRs or no interrupts or DMA transfers will occur between the
above two instructions (a) and (b).
Flash Memory Control Register 1
R
e
. v
2
3 .
0
S
e
p
0
, 1
2
0
0
4
R
E
J
0
9
B
0
1
8
5
0 -
2
3
0
Z
(1)
Symbol
Address
FIDR
01B4h
Bit Symbol
Bit Name
Flash Module Type
FIDR0
Identification Value
FIDR1
Nothing is assigned.
(b7-b2)
When write, set to "0". When read, their contents are indeterminate.
Symbol
Address
page 249
f o
3
6
4
After Reset
XXXXXX00b
Function
b1 b0
0 0: M16C/62N, M3062GF8N type flash module
1 0: M16C/62P type flash module
1 1: M16C/62M, M16C/62A type flash module
After Reset
22. Flash Memory Version
RW
RO
RO
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