UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 755

• Manufacturer Part Number: UPD784026
• Description: 16/8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

2nd edition
The following lists the revision history. The “Applied to” column shows the chapters in each edition.
Edition
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Introduction of PD784038, 784038Y, 784046, 784208, and 784208Y subseries in
78K/IV Series Product Development Diagram
Change of W (write only) of following addresses to R/W (read/write) in Table 3-5 List of
Special Function Registers (SFRs) in CHAPTER 3 CPU ARCHITECTURE
0FF30H, 0FF32H, 0FF33H, 0FF5CH, 0FF5EH, 0FF90H, 0FF91H, 0FFCEH, 0FFFCH
CHAPTER 4 CLOCK GENERATOR
Dividing CHAPTER 7 TIMER/COUNTER UNIT into following five chapters for more
detailed explanation and clear operation
CHAPTER 12 WATCHDOG TIMER FUNCTION
Addition of 14.4 EXTERNAL CIRCUIT OF A/D CONVERTER to CHAPTER 14 A/D
CONVERTER
Addition of Figure 15-3 Example of Connecting Capacitors to Reference Voltage
Input Pins of D/A Converter in 15.3.1 Basic Operation of CHAPTER 15 D/A CON-
VERTER
Addition of description on PD784020
Addition of PD784021GK-BE9 package
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Dividing 4.3.1 Clock Oscillator into (1) When using crystal/ceramic oscillation
and (2) When using external clock
Addition of Table 4-1 Time Required to Change Division Ratio in 4.3.2 Divider
CHAPTER 7 OUTLINE OF TIMER/COUNTER
CHAPTER 8 TIMER/COUNTER 0
* Addition of description on selector
CHAPTER 9 TIMER/COUNTER 1
* Change of description in note (*) of Table 9-2 Timer/Counter 1 Pulse Measure-
* Addition of description on selector
* Addition of Table 9-4 Maximum Input Frequency and Minimum Input Pulse
CHAPTER 10 TIMER/COUNTER 2
* Addition of description on selector
* Change of Figure 10-18 Capture Operation in 8-Bit Operating Mode
* Change of Figure 10-19 Capture Operation in 16-Bit Operating Mode
CHAPTER 11 TIMER 3
* Change of Figure 11-1 Timer 3 Block Diagram
* Addition of description on selector
Change of Figure 12-1 Watchdog Timer Block Diagram
Change of contents of WD12 and WD11 in Figure 12-2 Watchdog Timer Mode
Register (WDM) Format
Change of 12.3.1 Count Operation
ment Range
Width That Can be Counted as Events
Contents Revised from the Previous Edition
APPENDIX E RIVISION HISTORY
Throughout
78K/IV Series
Product Develop-
ment Diagram
CHAPTER 3 CPU
ARCHITECTURE
CHAPTER 4
CLOCK GENERA-
TOR
CHAPTERS 7, 8,
9, 10, 11
CHAPTER 12
WATCHDOG
TIMER FUNCTION
CHAPTER 14 A/D
CONVERTER
CHAPTER 15 D/A
CONVERTER
Applied to
(1/4)
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