HD64F3694FXV Datasheet, PDF (18/452 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

16.5 A/D Conversion Accuracy Definitions .............................................................................. 274
16.6 Usage Notes ....................................................................................................................... 276
16.6.1 Permissible Signal Source Impedance .................................................................. 276
16.6.2 Influences on Absolute Accuracy ......................................................................... 276
Section 17 EEPROM......................................................................................... 277
17.1 Features.............................................................................................................................. 277
17.2 Input/Output Pins............................................................................................................... 279
17.3 Register Description .......................................................................................................... 279
17.3.1 EEPROM Key Register (EKR)............................................................................. 279
17.4 Operation ........................................................................................................................... 280
17.4.1 EEPROM Interface............................................................................................... 280
17.4.2 Bus Format and Timing ........................................................................................ 280
17.4.3 Start Condition...................................................................................................... 280
17.4.4 Stop Condition ...................................................................................................... 281
17.4.5 Acknowledge ........................................................................................................ 281
17.4.6 Slave Addressing .................................................................................................. 281
17.4.7 Write Operations................................................................................................... 283
17.4.8 Acknowledge Polling............................................................................................ 284
17.4.9 Read Operation ..................................................................................................... 285
17.5 Usage Notes ....................................................................................................................... 288
17.5.1 Data Protection at V_CC On/Off............................................................................... 288
17.5.2 Write/Erase Endurance ......................................................................................... 288
17.5.3 Noise Suppression Time ....................................................................................... 288
Section 18 Power-On Reset and Low-Voltage Detection Circuits (Optional).. 289
18.1 Features.............................................................................................................................. 289
18.2 Register Descriptions......................................................................................................... 290
18.2.1 Low-Voltage-Detection Control Register (LVDCR)............................................ 290
18.2.2 Low-Voltage-Detection Status Register (LVDSR)............................................... 292
18.3 Operation ........................................................................................................................... 293
18.3.1 Power-On Reset Circuit ........................................................................................ 293
18.3.2 Low-Voltage Detection Circuit............................................................................. 294
Section 19 Power Supply Circuit ...................................................................... 299
19.1 When Using Internal Power Supply Step-Down Circuit ................................................... 299
19.2 When Not Using Internal Power Supply Step-Down Circuit............................................. 300
Section 20 List of Registers............................................................................... 301
20.1 Register Addresses (Address Order).................................................................................. 302
Rev.5.00 Nov. 02, 2005 Page xvi of xxviii