Renesas HS0008EASF5HE, Руководство пользователя

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Section 4 Notes on Use
Rev. 1.00 Oct. 02, 2009 Page 17 of 22
REJ10J2064-0100
Section 4 Notes on Use
1. The
RES
pin of the adapter board is an open-collector output. Use a resistor that suits the user
system to pull up the
RES
pin (around 1-k
Ω
is recommended).
2. Do not directly connect control signals FWP/FWE, MD0, MD1, IO0, IO1, or IO2 to Vcc or
GND. The user interface of the adapter board is shown figure 4.1.
The resistance value is 20
Ω
when analog switch HC4066 is on. It is recommended to pull up
or pull down the resistance with 4.7-k
Ω
or more. (For revision A, 47 k
Ω
or more is
recommended.)
3. After program transfer, press the transfer switch (START/STOP) and confirm that the START
LED (red) is turned off. If the user system power supply VIN (Vcc: 2.7 V to 5.25 V, PVcc:
2.7 V to 5.25 V) is turned off while the START LED is on, the user system will be damaged.
4. The host computer (DOS/V compatible machines) with built-in Pentium
®
can be connected to
the adapter board.
5. If the device has Vcc and PVcc, provide Vcc (pin 18) and PVcc (pin 20) to the VIN pin of the
P1 connector. If the condition is Vcc = PVcc and the device that does not have both Vcc and
PVcc is used, provide Vcc (pin 18) or PVcc (pin 20) to the two VIN pins of the P1 connector.
User system
interface connector
Control signals
for controller
Analog
switch
HC4066
Vcc/PVcc
22
1k
S5
S6
S3
Figure 4.1 Control-Signal Circuit Example