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32176 Group
Starter Kit User’s Manual M3A-2152
REJ10B0224-0300/Rev.3.00 Jan. 2007 Page 47 of 82
2.2 FP Select Circuit
The FP select circuit is used for reprogramming the internal flash memory of the M32R/ECU.
This circuit is configured in such a way that FP is switched from the EXTFP signal by using a
jumper (J6).
J6
U1
M32R/ECU
TX14
FP
1
3
2
VCC
EXTFP
Note: TX14 is not mounted but it only has one pattern available.
Figure 2.2 FP Select Circuit
Table 2.2 FP Select Circuit (Jumper)
Name Default Condition Description
{
Shorted
between 1–2
Enables reprogramming the M32R/ECU’s internal flash
Shorted
between 2–3
Disables reprogramming the M32R/ECU’s internal flash
J6
Open Unusable
Note: The J6 jumper is shorted by soldering.