UPD784038YGC-XXX-8BT データシートの表示（PDF） - NEC => Renesas Technology

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UPD784038YGC-XXX-8BT

16-/8-BIT SINGLE-CHIP MICROCONTROLLERS

NEC => Renesas Technology 

µPD784035Y, 784036Y, 784037Y, 784038Y

CONTENTS

1. DIFFERENCES AMONG MODELS IN µPD784038Y SUBSERIES ............................................. 7

2. MAJOR DIFFERENCES FROM µPD784026 SUBSERIES AND µPD78234 SUBSERIES ........ 8

3. PIN CONFIGURATION (TOP VIEW) ............................................................................................. 9

4. BLOCK DIAGRAM ......................................................................................................................... 11

5. PIN FUNCTION ............................................................................................................................... 12

5.1 Port Pins ................................................................................................................................................ 12

5.2 Non-Port Pins ....................................................................................................................................... 14

5.3 Types of Pin I/O Circuits and Connections for Unused Pins ........................................................ 16

6. CPU ARCHITECTURE ................................................................................................................... 19

6.1 Memory Space ...................................................................................................................................... 19

6.2 CPU Registers ...................................................................................................................................... 24

6.2.1 General-purpose registers ........................................................................................................ 24

6.2.2 Control registers ........................................................................................................................ 25

6.2.3 Special function registers (SFRs) ............................................................................................. 26

7. PERIPHERAL HARDWARE FUNCTIONS ...................................................................................... 31

7.1 Ports ....................................................................................................................................................... 31

7.2 Clock Generation Circuit ..................................................................................................................... 32

7.3 Real-Time Output Port ......................................................................................................................... 34

7.4 Timer/Counter ....................................................................................................................................... 35

7.5 PWM Output (PWM0, PWM1) .............................................................................................................. 37

7.6 A/D Converter ....................................................................................................................................... 38

7.7 D/A Converter ....................................................................................................................................... 39

7.8 Serial Interface ..................................................................................................................................... 40

7.8.1 Asynchronous serial interface/3-wire serial I/O (UART/IOE) .................................................. 41

7.8.2 Clocked serial interface (CSI) .................................................................................................... 43

7.9 Clock Output Function ........................................................................................................................ 44

7.10 Edge Detection Function .................................................................................................................... 45

7.11 Watchdog Timer ................................................................................................................................... 45

8. INTERRUPT FUNCTION ................................................................................................................ 46

8.1 Interrupt Sources ................................................................................................................................. 46

8.2 Vectored Interrupt ................................................................................................................................ 48

8.3 Context Switching ................................................................................................................................ 49

8.4 Macro Service ....................................................................................................................................... 49

8.5 Application Example of Macro Service ............................................................................................. 50

5

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