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PDF SH69P24_EVB Data sheet ( Hoja de datos )
| Número de pieza | SH69P24_EVB | |
| Descripción | Application Note | |
| Fabricantes | Sino Wealth | |
| Logotipo |  |
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SH69P24 EVB
Application Note for SH69P24 EVB
SH69P24 EVB
The SH69P24 EVB is used to evaluate the SH69P24 chip's function for the development of application program. It contains of
a SH69V24 chip to evaluate the functions of SH69P24 including LCD, LED, Keyscan and Alarm.The following figure shows
the placement diagram of SH69P24 EVB.
J1
VCC
J2
GND
J3
POWER HALT STOP LVR
U2
74HC273
U3
1
74HC273
ON
1234
S1
SH69V24
U1http://www.DataSheet4U.net/
JP4
Stand Alone
With ICE
JP3
STKOVF
J4
Ver1.0
1/8
datasheet pdf - http://www.DataSheet4U.net/
1 page  
S1
Bit 4 Bit 3 Bit 2 Bit 1
Remarks
X LVR0 LVR WDT
X X X Off Disable WDT
X X X On Enable WDT
X X Off X Disable LVR
X X On X Enable LVR
X Off X
X LVR high level:4V
X On X
X LVR low level:2.5V
Diagnostic LED:
Power LED:
STOP LED:
HALT LED:
LVR LED:
Notes:
The LED will be turned on when the EVB is powered.
The LED will be turned on when the system is in STOP mode.
The LED will be turned on when the system is in HALT mode.
The LED will be turned on when the VDD is lower than LVR voltage
SH69P24 EVB
Application notes:
http://www.DataSheet4U.net/
1.1 After entering into the IDE66 and successfully downloaded the user program, use the F5 key on the PC keyboard
to reset the EVB before running the program. If abnormal response occurs, the user must switch off the ICE
power and quit IDE66, then wait for a few seconds before restarting.
1.2 When running the IDE66 for the first time, the user needs to select the correct MCU type, clock frequency ... then
save the settings and restart IDE66 again.
1.3 Can’t Step (F8) or Over (F9) a HALT and STOP instruction.
1.4 Can’t emulate the interrupt function in Step (F8) operating mode.
1.5 When you want to escape from HALT or STOP (in ICE mode), please press F5 key on the PC keyboard twice.
1.6 The maximum current limit supplied from EVB to the target is 100mA. When the current in the target is over
100mA, please use external power supply.
1.7 Can’t emulate the timer function in Step (F8) operating mode.
Programming notes:
2.1 Clear the data RAM and initialize all system registers during the initial programming.
2.2 The “NOP” instruction should be added at the beginning of the program to ensure the IC is stable.
2.3 Never use the reserved registers.
2.4 Do not execute arithmetic operation with those registers that only have 1, 2 or 3 bits. This kind of operation may
not produce the result you expected.
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datasheet pdf - http://www.DataSheet4U.net/
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet SH69P24_EVB.PDF ] | |
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