beautypg.com

2 fp select circuit – Renesas 32176 User Manual

Page 55

background image

32176 Group

Starter Kit User’s Manual M3A-2152

REJ10B0224-0310/Rev.3.10

Mar. 2008

Page 47 of 83

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.

This manual is related to the following products: