22. Development tools
A96G150 User's manual
326
Figure 154 shows an example circuit where the OCD pins (DSCL and DSDA) are shared with other
functions. They are required to be connected when debugging or ISP (In System Program) is executed.
Normally, the OCD pins are connected to outside to execute the predefined functions. Even when they
are connected for debugging or ISP directly, the OCD pins are shared with other functions by using
resistors as shown in Figure 154. By doing this, the OCD pins process the normal external signals and
execute the OCD functions first when they are shared.
To application circuit
P01/DSCL(I)
P00/DSDA(I/O)
R1 (2k
~ 5k
)
To application circuit
R2 (2k
~ 5k
)
VDD
VSS
E-PGM+ , E-GANG4 , E-GANG6
VDD VSS DSCL DSDA
MCU
Four-wire Interface
NOTES
:
1.
In on-board programming mode, very high-speed signal will be provided to pin DSCL and DSDA.
And it will cause some damages to the application circuits connected to DSCL or DSDA port if the
application circuit is designed as high-speed response such as relay control circuit. If possible, the
I/O configuration of DSDA, DSCL pins had better be set to input mode.
2.
The value of R1 and R2 is recommended value. It varies with circuit of system.
Figure 154. PCB Design Guide for On-board Programming
2
V
DD
1
3
4
5
6
7
8 10
9
VSS
DS
CL
DS
DA
Содержание A96G150
Страница 126: ...12 Timer 0 1 2 3 4 5 A96G150 User s manual 126 Figure 43 16 bit Timer Counter Mode Operation Example...
Страница 136: ...12 Timer 0 1 2 3 4 5 A96G150 User s manual 136 Figure 51 16 bit Timer Counter Mode Operation Example...
Страница 147: ...A96G150 User s manual 12 Timer 0 1 2 3 4 5 147 Figure 59 16 bit Timer Counter Mode Operation Example...
Страница 157: ...A96G150 User s manual 12 Timer 0 1 2 3 4 5 157 Figure 67 16 bit Timer Counter Mode Operation Example...
Страница 171: ...A96G150 User s manual 14 12 bit ADC 171 Figure 79 ADC Operation Flow Sequence...
Страница 333: ...A96G150 User s manual Revision history 333 Revision history Revision Date Notes 1 00 2022 06 22 First creation...