Renesas H8S/2378F Información técnica descargar pdf (Pagina 22)

An example of connecting the H8S/2378F and Renesas adapter board (HS0008EAUF1H) is shown in

Figure 4-2. The

pull-up and pull-down resistor values shown are only examples. Evaluate the microcomputer to determine the actual

values on the user system.

H8S/2378

TxD1

RxD1

MD0

MD1

RES

Vcc

VIN

(Vcc)

RXD

TXD

RES

GND

2,4,6,8,10,

12,14,16

dapter board

(HS0008EAUF1H)

Pulled up 47 k

Ω or more.

Pulled up at

about 1 kΩ.

Note: 1. Manufacturer: 3M Corporat

18,20

MD2

Vcc

Connector*1

3428-6002LCSC

9MD2

(IO0)

SW6-1(MD0)

SW6-2(MD1)

SW6-3(MD2)

Pulled down

at about 1 k

Figure 4-3 Example of Connecting the H8S/2378F and Adapter Board

An example of setting pins for the boot mode when the H8S/2378F user system and Renesas adapter board

(HS0008EAUF1H) are connected is shown in

Table 4-4. Use the mode switches to set the operating mode.

Table 4-4 Example of Setting Pins on the H8S/2378F and Adapter Board (for the Boot Mode)

Pin No. Pin on the

Adapter

Board

Pin on the Device Input/Output Output Level

1 RES RES Output (default) Adapter board

3 FWx Mode switch Output High (1)

5 MD0 NC NC -

7 MD1 NC NC -

9 MD2 (IO0) Serial I/O switch Output Low (0)

11 MD3 (IO1) NC NC -

13 MD4 (IO2) NC NC -

15 RXD TXD Input (default) Adapter board

17 TXD RXD Output (default) Adapter board

19 SCK (NC) NC NC (default) -

Note: NC: Means no connection.

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 108 109

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