Renesas 32185 - Manual (Page 48)

32185/32186/32192/32195/32196 Group
Starter Kit User’s Manual M3A-2154G52B
REJ10B0223-0150/Rev.1.50 Mar 2008 Page 40 of 80
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 of extension
connector (CON2) by using a jumper (J10).
J10
U1
M32R/ECU
TX14
FP
1
3
2
VCCE
EXTFP
CON2
FX1-144S-1.27DS
* CONx : Connector
* Jx : Jumper
* TXx : Test pin
* Ux : IC
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 Condition Description
Shorted
between 1–2
Default Enables reprogramming the mounted M32R/ECU’s internal flash
Shorted
between 2–3
Disables reprogramming the mounted M32R/ECU’s internal flash
J10
Open Unusable
Note: The J10 jumper is shorted by pattern wiring on the reverse side of printed circuit board.
Case of setting the condition except for default, setting the jumper is required after cutting the pattern
for default condition by referring to the chapter 3.8 Setting jumper by cutting pattern.