Specification Of The Control Sequence 2 - Renesas HS0008EASF5HE User Manual

Flash microcomputer on-board programming adapter board
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5.2.2

Specification of the Control Sequence 2

1.
When the user system power supply is turned on or the power switch is on, the low level is
output by the RES pin.
2.
After power has been turned on, pressing the transfer switch for the first time places the RES
pin at the high level, and the user system makes the transition to programming processing etc.
3.
After that, every time the transfer switch is pressed, the level of RES signal is inverted.
4.
The control sequence 2 has the two following states: execution of programming etc. is in
progress (the START LED is on) and the reset state (the START LED is off).
5.
When the transition to programming processing etc. is made, the application of 2.7 to 5.25 V
to the FWE/FWP pin starts or stops (figure 5.2) 10 ms after the transfer switch is pressed.
The user-system power supply or
POWER switch is turned on.
POWER LED is turned on.
The START LED is on.
2.7 to 5.25 V
VIN(VCC)
0V to Vcc(2.7 to 5.25 V)
FWE etc.
0V to Vcc(2.7 to 5.25 V)
/RES
: Pin settings on the user
system board, such as
for FWE are valid.
Figure 5.2 Reset Signal, 2.7- to 5.25-V Application, and Stop Timing (Control sequence 2)
The START/STOP
switch is pressed.
The START LED is on.
Write processing
10 ms
540 ms
550 ms
The START/STOP
The START/STOP
switch is pressed.
switch is pressed.
The START
LED is on.
The user system
is reset state.
10 ms
10ms
550 ms
Rev. 1.00 Oct. 02, 2009 Page 21 of 22
Section 5 Specification
The START/STOP
switch is pressed.
The START
LED is on.
Write processing
10 ms
540 ms
REJ10J2064-0100

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