HD64F36024FX Datasheet, PDF (17/386 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 15 Power-On Reset and Low-Voltage Detection Circuits
(Optional).........................................................................................229
15.1 Features.............................................................................................................................. 229
15.2 Register Descriptions ......................................................................................................... 230
15.2.1 Low-Voltage-Detection Control Register (LVDCR)............................................ 231
15.2.2 Low-Voltage-Detection Status Register (LVDSR)............................................... 232
15.3 Operation ........................................................................................................................... 233
15.3.1 Power-On Reset Circuit ........................................................................................ 233
15.3.2 Low-Voltage Detection Circuit............................................................................. 234
Section 16 Power Supply Circuit.......................................................................237
16.1 When Using Internal Power Supply Step-Down Circuit.................................................... 237
16.2 When Not Using Internal Power Supply Step-Down Circuit............................................. 238
Section 17 List of Registers ...............................................................................225
17.1 Register Addresses (Address Order).................................................................................. 226
17.2 Register Bits....................................................................................................................... 230
17.3 Register States in Each Operating Mode ........................................................................... 233
Section 18 Electrical Characteristics .................................................................251
18.1 Absolute Maximum Ratings .............................................................................................. 251
18.2 Electrical Characteristics (F-ZTAT^TM Version).................................................................. 251
18.2.1 Power Supply Voltage and Operating Ranges ...................................................... 251
18.2.2 DC Characteristics ................................................................................................ 254
18.2.3 AC Characteristics ................................................................................................ 259
18.2.4 A/D Converter Characteristics .............................................................................. 262
18.2.5 Watchdog Timer Characteristics........................................................................... 263
18.2.6 Flash Memory Characteristics .............................................................................. 264
18.2.7 Power-Supply-Voltage Detection Circuit Characteristics (Optional) ................... 266
18.2.8 Power-On Reset Circuit Characteristics (Optional) .............................................. 267
18.3 Electrical Characteristics (Masked ROM Version)............................................................ 267
18.3.1 Power Supply Voltage and Operating Ranges ...................................................... 267
18.3.2 DC Characteristics ................................................................................................ 270
18.3.3 AC Characteristics ................................................................................................ 275
18.3.4 A/D Converter Characteristics .............................................................................. 278
18.3.5 Watchdog Timer Characteristics........................................................................... 279
18.3.6 Power-Supply-Voltage Detection Circuit Characteristics (Optional) ................... 280
18.3.7 Power-On Reset Circuit Characteristics (Optional) .............................................. 281
18.4 Operation Timing............................................................................................................... 281
Rev. 4.00 Sep. 23, 2005 Page xv of xxvi