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參數(shù)資料
| 型號： | E0C88F360F |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 8.2 MHz, MICROCONTROLLER, PQFP176 |
| 封裝： | PLASTIC, QFP18-176 |
| 文件頁數(shù)： | 16/16頁 |
| 文件大?。?/td> | 120K |
| 代理商： | E0C88F360F |
9
E0C88F360
s SUMMARY OF NOTES
q Notes Related to the PROM
(1) The PROM data bit is set to "1" at shipment. Therefore, It must be programmed before operating the IC in the
normal operation mode.
(2) The PROM data can be rewritten up to 1,000 times. (Decrement the count every time the PROM is erased
and written.)
(3) The circuit board should be designed so that the terminals can switch the input signals that differ between the
PROM serial programming mode and the normal operation mode.
(4) The terminals for the PROM programmer should be set correctly according to the operating mode and fixed
so that they cannot be changed during operation. Especially the XSPRG terminal must be fixed at a Low level
in the programming mode, while they must be fixed at a High level in the normal operation mode. Changing
the voltage level may damage the IC.
(5) If the operation of the E0C88F360 is unstable even though the writing and verification of the PROM data was
completed normally, write and verify the PROM data without erasing the PROM.
(6) Rewriting the PROM is done at on the user's own risk.
q Notes on Differences form the E0C883xx and E0C888xx
Be aware of the following notes when using the E0C88F360 as a development tool for the E0C883xx or
E0C888xx.
Memory
The E0C88F360 contains a ROM and RAM lager than most of all E0C883xx/E0C888xx models. When develop-
ing an application, pay attention to the memory size.
Power supply
The E0C88F360 is operable with a supply voltage within the range of 1.8 V to 5.5 V. Be aware that as the supply
voltage is different from the E0C883xx/E0C888xx the electrical characteristics differ. Refer to Electrical Charac-
teristics.
Initial reset
Note that the power-on reset time differs from the E0C883xx/E0C888xx because the supply voltage is different.
Oscillation circuit
In the E0C88F360, a crystal oscillator can only be used for the OSC1 oscillation circuit and a CR or crystal/
ceramic oscillator for the OSC3 oscillation circuit. Furthermore, pay attention to the difference on the oscillation
start time according to the supply voltage. Be sure there is enough margin especially for stabilizing the OSC3
oscillation when controlling the peripheral circuit that uses the OSC3 clock.
LCD controller
The LCD drive voltage range of the E0C88F360 is different from that of the E0C883xx/E0C888xx. Check the
electrical characteristic differences by referring to the E0C88F360 and E0C883xx/E0C888xx Technical Manuals
before designing the LCD unit. Moreover, note that because mask options are fixed, the LCD drive duty of the
E0C88F360 is fixed at 1/32 or 1/16 duty. The internal LCD power supply can be selected either 4.5 V or 5.5 V.
Mask option
In the E0C88F360, some mask options for the E0C883xx/E0C888xx are fixed. Therefore, some optional func-
tions cannot be used in the E0C88F360. Check whether the functions are enabled or not in the E0C88F360 and
E0C883xx/E0C888xx Technical Manuals.
A/D converter and analog comparator
Note that the A/D converter and the analog comparator cannot be used at the same time.
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