
Contents-16
19.5 Serial Mode .................................................................................................... 19-5
19.5.1 Overview of the Serial Mode ..................................................................... 19-5
19.5.2 Serial Mode Settings ................................................................................. 19-5
(1) Pins used in serial mode ........................................................................... 19-5
(2) Serial mode connection circuit .................................................................. 19-6
(3) Serial mode programming method ........................................................... 19-8
(4) Setting of security function ........................................................................ 19-8
(5) Notes on use of serial mode ..................................................................... 19-8
19.6 User Mode ..................................................................................................... 19-9
19.6.1 Overview of the User Mode ...................................................................... 19-9
19.6.2 User Mode Programming Registers ....................................................... 19-10
19.6.3 Description of User Mode Registers ....................................................... 19-11
(1) Flash memory address register (FLAADRS) .......................................... 19-11
(2) Flash memory acceptor (FLAACP) ......................................................... 19-11
(3) Flash memory control register (FLACON) .............................................. 19-12
19.6.4 User Mode Programming Example ......................................................... 19-15
(1) User mode programming flowchart example .......................................... 19-15
(2) User mode programming program example ........................................... 19-16
19.6.5 Notes on Use of User Mode ................................................................... 19-16
19.7 Notes on Program ........................................................................................ 19-17
(1) Programming of flash memory immediately after power-on ................... 19-17
(2) Note on STOP mode release .................................................................. 19-17
(3) Supply voltage sense reset function ....................................................... 19-17
Chapter 20
Electrical Characteristics
20.1 Absolute Maximum Ratings ........................................................................... 20-1
20.2 Recommended Operating Conditions ............................................................ 20-1
20.3 Allowable Output Current Values ................................................................... 20-2
20.4 Internal Flash ROM Programming Conditions ............................................... 20-2
20.5 DC Characteristics ......................................................................................... 20-3
20.5.1 DC Characteristics (VDD = 4.5 to 5.5 V) ................................................... 20-3
20.5.2 DC Characteristics (VDD = 2.4 to 3.6 V) ................................................... 20-5
20.6 AC Characteristics ......................................................................................... 20-7
20.6.1 AC Characteristics (VDD = 4.5 to 5.5 V) ................................................... 20-7
20.6.2 AC Characteristics (VDD = 2.4 to 3.6 V) ................................................. 20-15
20.7 A/D Converter Characteristics ..................................................................... 20-23
20.7.1 A/D Converter Characteristics (VDD = 4.5 to 5.5 V) ................................ 20-23
20.7.2 A/D Converter Characteristics (VDD = 2.4 to 3.6 V) ................................ 20-23
20.8 D/A Converter Characteristics ..................................................................... 20-25