NEC 78014Y Series, User Manual

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APPENDIX E REVISION HISTORY
543
APPENDIX E REVISION HISTORY
Major revisions by edition and revised chapters are shown below.
(1/4)
Edition Major revisions from previous edition Revised Chapters
4th
µ
PD78014Y subseries were added as applied devices. General
Frequency of main system clock oscillator is changed from 8.38 MHz to 10.0 MHz.
Item “After Reset” was added in section 2.1.1 “Normal operating mode pins”. CHAPTER 2 PIN FUNCTION
Cautions on pull-up resistors disconnection for P60 to P63 pins by mask option
was added.
Pin input/output circuit types were changed as follows.
Change: Type 5-B to Type 5-E, Type 9-B to Type 11
Addition: Type 16
Memory size switching register is incorporated in all applied devices, not only in CHAPTER 3
the
µ
PD78P014. CPU ARCHITECTURE
Cautions on using port 1 as A/D converter input was added. CHAPTER 4
Cautions on port mode register setting when port 2 is used in the SBI mode was PORT FUNCTIONS
added.
Cautions on port mode register setting was added.
Cautions on pull-up resistor option register when port is used as dual-function pin
was added.
Cautions on CR00 setting was added. CHAPTER 6 16-BIT
Timing chart for square-wave output operation was added. TIMER/EVENT COUNTER
Cautions on using 8-bit timer registers 1 and 2 as a 16-bit timer register was added. CHAPTER 7 8-BIT
TIMER/EVENT COUNTER
Interval times of interval timer were changed. CHAPTER 8 WATCH TIMER
Block diagram for watchdog timer was corrected. CHAPTER 9 WATCHDOG
Cautions on overflow time when the watchdog timer is cleared by setting bit 7 TIMER
(RUN) of WDTM to 1 was added.
Condition under which clock output cannot be used was added. CHAPTER 10 CLOCK
OUTPUT CONTROL CIRCUIT
Condition under which buzzer output cannot be used was added. CHAPTER 11 BUZZER
OUTPUT CONTROL CIRCUIT