Renesas 32186 User Manual

Page of 89
32185/32186/32192/32195/32196 Group 
Starter Kit User’s Manual M3A-2154G52B 
REJ10B0223-0140/Rev.1.40 
Jan. 2007 
Page 40 of 79 
 
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