2 hardware differences – Renesas FLASH Development Toolkit 3.07 User Manual

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13.2 Hardware

Differences

The FDM had no capability of supplying the target power whereas the E8Direct can supply 3.3V or 5V and
the FDM-E8Direct pin usage is different. This means that it is not possible to simply swap an FDM for an
E8. The general purpose I/O pins on the FDM were labelled as MD0 to MD4 and FWE, and they had a
direct mapping with the mode pins with matching names on the target devices. Because the number of
available general purpose I/O pins is reduced on the E8, and the locations on the 14-pin header are
different, we can no longer have a direct mapping between device mode pin names and E8 I/O pins, so we
have chosen to label them as ‘A’, ‘B’, ‘C’ and ‘D’. The pin settings required for E8Direct will have to be
board specific rather than device specific.

FDM Pin Name

Pin
No.

14-pin connector

20-pin connector (Japan
only)

E8 Direct Pin Name

1

SCK

/

RES

Output D

2

GND

GND

GND

3

FWx

FWx

Output C

4

MD0

GND

Output A

5

Txd (Input from Txd of

Target device to Rxd of

2148AF on FDM)

MD0

Target Txd (Input from Txd

of Target device to Rxd0 of

2215UF on E8)

6

MD1

GND

GND (Connected to GND on E8)

7

MD4

MD1

Output B

8

UVCC Input

GND

UVCC (can supply 3.3 or 5V

or detect if target is

powered)

9

PVCC Input

MD2

BUSY (Not used for E8Direct)

10

MD2

GND

GND (Connected to GND on E8)

11

Rxd (Output to Rxd of

Target device from Txd0

of 2148AF on FDM)

MD3

Target Rxd (Output to Rxd of

Target device from Txd0 of

2215UF on E8)

12

MD3

GND

GND (Connected to GND on E8)

13

RESET

MD4

RESET

14

UCONNECT

GND

UCONNECT (Connect to GND on

Target board)

15

-

RXD (TXD for the user

system)

-

16

-

GND

-

17

-

TXD (RXD for the user

system)

-

18

-

VIN (Vcc or PVcc)

-

19

-

NC

-

20

-

VIN (PVcc)

-

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