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SH67P54/K54/P53/K53 Evaluation board (EVB)
The SH67P54/K54/P53/K53 EVB is used to evaluate the SH67P54/K54/P53/K53 chip's function for the development of
application program. It contains of a SH67V54 chip to evaluate the functions of SH67P54/K54/P53/K53. The following figure
shows the placement diagram of SH67P54/K54/P53/K53 EVB.
J1
VCC
J8
1
V2.1
Application Note for SH67P54/K54/P53/K53 EVB
JP1
JP2
J2
GND
5V 3V EXT
POWER
STOP HALT
U5
74HC273
U4
74HC273
SH67P54/K54/P53/K53 EVB
J4
1
SH67V54
U1
C4 C5
JP3
Y2
ST
ICE
ROSCX
JP5
J5
1
1/11
J6
1
J7
RLCD1
RLCD2
RLCD3
RLCD4
JP7
Y
C3
C2
1
ROSC
S1
ON
RESET
1
2 3 4 5 6 7 8
SW1

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Summary of Contents for Sino Wealth SH67P54 EVB

  • Page 1 SH67P54/K54/P53/K53 EVB Application Note for SH67P54/K54/P53/K53 EVB SH67P54/K54/P53/K53 Evaluation board (EVB) The SH67P54/K54/P53/K53 EVB is used to evaluate the SH67P54/K54/P53/K53 chip's function for the development of application program. It contains of a SH67V54 chip to evaluate the functions of SH67P54/K54/P53/K53. The following figure shows the placement diagram of SH67P54/K54/P53/K53 EVB.
  • Page 2 The process of program evaluation on SH67P54/K54/P53/K53 EVB User can use Sino Wealth Rice66 Integrated Development Environment (IDE) to emulate the program and produce the obj file. Rice66 IDE is a real-time in-circuit emulator program. It provides real-time and transparent emulation support for the SH6X series 4-bit micro-controller.
  • Page 3: Lcd Interface

    SH67P54/K54/P53/K53 EVB SH67P54/K54/P53/K53 interface connector: IO port interface: J3 (TOP View from EVB) PORTA0 PORTA1 PORTA2 PORTA3 SH67P53/K53 PORTB0 PORTB1 interface PORTB2 PORTB3 PORTA-C PC0/S1 PC1/S2 SH67P54/K54 PC3/S4 PC2/S3 SH67P53/K53 interface PD1/S6 PD0/S5 interface PD2/S7 PD3/S8 SEG5-8 LCD interface :J6 (TOP View from EVB) SEG9 SEG10 SEG11...
  • Page 4 SH67P54/K54/P53/K53 EVB Switch setting: Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Remarks LPD1 LPD0 LCD/LED OSC1 OSC0 262K RC oscillator 32768Hz Crystal oscillator 4MHz - 8MHz 400KHz – 4MHz LED Matrix LCD Driving WDT Enable WDT Disable...
  • Page 5 SH67P54/K54/P53/K53 EVB Diagnostic LED: Power LED: The LED will be turned on when the EVB is powered. HALT LED: The LED will be turned on when the system is in HALT mode. STOP LED: The LED will be turned on when the system is in STOP mode. Oscillator setting: The SH67P54/K54/P53/K53 EVB supports 2 on board oscillators, one is low frequency oscillator (OSC: 32KHz Crystal or 262KHz RC) and the other is high frequency oscillator (OSCX: 400K –4MHz Ceramic or Internal 4MHz ).
  • Page 6 SH67P54/K54/P53/K53 EVB RC oscillator Characteristics Graphs (for reference only) Typical RC Oscillator Resistor vs. Frequency: (1) f vs. Rosc = 5.0V 1000 2000 3000 4000 5000 6000 7000 8000 (kΩ) Resistor vs. f = 5.0V = 3.0V 2000 4000 6000 8000 (kΩ) Resistor vs.
  • Page 7 SH67P54/K54/P53/K53 EVB (2) f vs. Roscx OSCX = 5V 8000 6000 4000 2000 (kΩ) oscx Resistor vs. f = 5.0V OSCX = 3.0V 8000 6000 4000 2000 (kΩ) oscx Resistor vs. f = 3.0V OSCX V2.1 7/11...
  • Page 8 SH67P54/K54/P53/K53 EVB Notes: Application notes: After entering into the RICE66 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 RICE66, then wait for a few seconds before restarting.
  • Page 9 SH67P54/K54/P53/K53 EVB Examples: 1> Description: CPU can not wakeup after executing the “HALT” or “STOP” instruction. Program: Interrupt Enable instruction is set outside the interrupt subroutine <Wrong example> <Correct example > …… …… IE, 0FH ; enable interrupt IE, 0FH ; enable interrupt HALT HALT Analysis: After two “NOP”...
  • Page 10 SH67P54/K54/P53/K53 EVB Notes for TIMER 2.9.1 When setting the Timer Counter, write first T0L, then T0H. 2.9.2 After setting TM0, T0L, T0H, there is no need to rewrite after the Timer counts overflow, otherwise it will cause a time error every time. The timer is interrupted by that the reload registrar that was set in different time.
  • Page 11 SH67P54/K54/P53/K53 EVB 2.13 Notes for key scan 2.13.1 If there is no surplus of SEGMENT, it is necessary to use audion to separate the LCD displaying and key scan. If there are more SEGMENTs, which can be directly used as scanning output line, then each SEGMENT must have pull-up resistors.

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