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M16C/62P View Datasheet(PDF) - Mitsumi

Part NameDescriptionManufacturer
M16C/62P SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Mitsumi
Mitsumi Mitsumi
M16C/62P Datasheet PDF : 349 Pages
First Prev 341 342 343 344 345 346 347 348 349
Udenvdeelropment
Preliminary Specifications Rev.1.0
Specifications in this manual are tentative and subject to change.
2.1 Vdet2 Detection
Mitsubishi microcomputers
M16C / 62P Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
2. Differences Made Depending on Manufactured Time
2.1 Vdet2 Detection
The present version of the products may not detect the Vdet2 voltage in the voltage detection circuit prop-
erly. Therefore, the followings should be noted.
(1) When the VC25 bit in the VCR2 register is set to 1(enabling the RAM retention limit detection
circuit), the present version may not be reset even if the voltage at the Vcc1 input pin drops below
Vdet2.
(2) The WD5 bit in the WDC register may not change properly.
Supplementary Explanation
Normally, during the stop mode, the Vdet3 voltage is not detected, and thus no reset is generated even
when the input voltage at the VCC1 pin drops to Vdet3 or less. Therefore, if the microcomputer is not reset
when the VCC1 voltage drops below Vdet2 due to the reason described in the above No.1, the microcom-
puter cannot get out of the stop mode with Hardware Reset 2.
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