HD6433644R datasheet(14/549 Pages) RENESAS

14 / 549 page

Rev. 6.00 Sep 12, 2006 page xiv of xx

6.6

On-Board Programming Modes ........................................................................................ 120

6.6.1

Boot Mode ........................................................................................................... 120

6.6.2

User Program Mode............................................................................................. 125

6.7

Programming and Erasing Flash Memory......................................................................... 127

6.7.1

Program Mode ..................................................................................................... 127

6.7.2

Program-Verify Mode.......................................................................................... 128

6.7.3

Programming Flowchart and Sample Program..................................................... 129

6.7.4

Erase Mode .......................................................................................................... 132

6.7.5

Erase-Verify Mode............................................................................................... 132

6.7.6

Erase Flowcharts and Sample Programs .............................................................. 133

6.7.7

Prewrite-Verify Mode .......................................................................................... 147

6.7.8

Protect Modes ...................................................................................................... 148

6.7.9

Interrupt Handling during Flash Memory Programming/Erasing......................... 149

6.8

Flash Memory PROM Mode (H8/3644F, H8/3643F, and H8/3642AF) ........................... 150

6.8.1

PROM Mode Setting............................................................................................ 150

6.8.2

Memory Map ....................................................................................................... 150

6.8.3

Operation in PROM Mode................................................................................... 151

6.9

Flash Memory Programming and Erasing Precautions ..................................................... 160

Section 7 RAM..................................................................................................................... 167

7.1

Overview........................................................................................................................... 167

7.1.1

Block Diagram ..................................................................................................... 167

Section 8 I/O Ports .............................................................................................................. 169

8.1

Overview........................................................................................................................... 169

8.2

Port 1................................................................................................................................. 171

8.2.1

Overview.............................................................................................................. 171

8.2.2

8.2.3

Pin Functions ....................................................................................................... 175

8.2.4

Pin States.............................................................................................................. 176

8.2.5

MOS Input Pull-Up.............................................................................................. 176

8.3

Port 2................................................................................................................................. 177

8.3.1

Overview.............................................................................................................. 177

8.3.2

8.3.3

Pin Functions ....................................................................................................... 179

8.3.4

Pin States.............................................................................................................. 179

8.4

Port 3................................................................................................................................. 180

8.4.1

Overview.............................................................................................................. 180

8.4.2

8.4.3

Pin Functions ....................................................................................................... 184

8.4.4

Pin States.............................................................................................................. 185

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