Panasonic MN101L Series

To Next Page

To Previous Page

Chapter 12

Real Time Clock (RTC)

XII - 14 Control Registers

12.2.6 RTC Status Register

 RTC Status Register (RTCSTR: 0x03ED1)

bp 76543210

Bit name-------LEAPFL

At reset00000001

AccessRRRRRRRR

bp Bit name Description

7 to 1 - Always read as 0.

0 LEAPFL

Leap year flag

0: The RTCYD does not show a leap year.

1: The RTCYD shows a leap year.

Main Page

Default Chapter12
- Table of Contents12
Chapter 1 Overview23
- Hardware Features24
- Comparison of Product Specification29
- Pin Description33
  - Pin Configuration33
  - Pin Description37
- Electrical Characteristics42
- Package Dimension53
- Cautions for Circuit Setup57
Chapter 2 CPU63
- Overview64
- Bus Interface76
- Extended Calculation Function79
  - Overview79
  - Extended Calculation Control Register80
- Extended Calculation Instruction82
- Reset90
Chapter 3 Interrupts95
- Overview96
- Control Registers114
- External Interrupts126
Chapter 4 Clock/ Mode/ Voltage Control143
- Clock Control144
  - Control Registers145
  - Change of the External Low-Speed Oscillation Capability154
- Mode Control Function155
- Voltage Control168
- Mode/Voltage/Clock Transition173
Chapter 5 Watchdog Timer (WDT175
- Overview176
- WDT Control Register177
- Operation178
  - WDT Operation178
  - Setup Example179
Chapter 6 Power Supply Voltage Detection181
- Overview182
  - Power Supply Voltage Detection Overview182
- Control Register183
  - Registers183
  - Power Supply Voltage Detection Control Registers184
- Setting Example187
  - PSVD Setting Example187
Chapter 7 I/O Port189
- Overview190
  - I/O Port Overview190
- Control Registers191
- I/O Port Functions221
- Port 0222
  - Setup of Port 0222
- Port 1222
Chapter 8 8-Bit Timer249
- Overview250
  - Functions250
  - 8-Bit Timer Block Diagram251
- 8-Bit Timer Control Registers252
- 8-Bit Timer263
  - Operation263
  - Setup Example267
- 8-Bit Event Count268
  - Operation268
  - 8-Bit Event Count Setup Example270
- 8-Bit Timer Pulse Output271
  - Operation271
  - Setup Example272
- 8-Bit PWM Output273
- Simple Pulse Width Measurement277
Chapter 9 16-Bit Timer283
- Overview284
- 16-Bit Timer Control Registers286
  - Programmable Timer Registers288
  - Timer Mode Registers292
- 16-Bit Timer303
  - Operation303
  - Setup Example306
- 16-Bit Event Count307
  - Operation307
  - Setup Example310
- 16-Bit Timer Pulse Output311
  - Operation311
  - Setup Example312
- 16-Bit Standard PWM Output (with Continuously Variable Duty313
  - Operation313
  - Setup Example316
- 16-Bit High-Precision PWM Output (with Continuously Variable Period/Duty317
  - Operation317
  - Setup Example320
- 16-Bit Timer Capture Function321
  - Operation321
  - Setup Example328
- 16-Bit Standard IGBT Output (with Variable Duty329
  - Operation329
  - Setup Example332
- 16-Bit High-Precision IGBT Output (with Variable Period/Duty333
  - Operation333
  - Setup Example339
- IGBT Output with Dead Time340
  - Operation340
  - Setup Example344
Chapter 10 General-Purpose Time Base/Free-Running Timer347
- Overview348
  - Functions348
  - Block Diagram349
- Control Registers350
- 8-Bit Free-Running Timer354
  - Operation354
  - Setup Example357
- Time Base Timer358
  - Operation358
  - Setup Example360
Chapter 11 RTC Time Base Timer (RTC-TBT361
- Overview362
  - Functions362
- Control Register363
- RTC-TBT Operation369
  - Operation Setting Example370
Chapter 12 Real Time Clock (RTC)371
- Overview372
- Control Registers373
- RTC Operation385
  - Clock Data Reading Procedure386
  - Setup Example387
Chapter 13 Serial Interface389
- Overview390
  - Functions391
  - Block Diagram393
- Control Registers395
- Clock-Synchronous Communication416
- Full-Duplex UART Communication434
- IIC Communication444
Chapter 14 DMA Controller459
- Overview460
  - Block Diagram461
- DMA Controller Control Registers462
- DMA Data Transfer470
  - Single Transfer Mode470
  - Burst Transfer Mode471
Chapter 15 Buzzer473
- Overview474
- Control Register475
  - Registers475
  - Buzzer Control Register475
- Operation477
  - Setup Example478
Chapter 16 A/D Converter (ADC)479
- Overview480
  - Functions480
  - Block Diagram481
- Control Registers482
  - Registers482
  - Data Buffers485
- Operation486
  - Setup Procedure490
  - Cautions491
Chapter 17 LCD493
- Overview494
  - LCD Driver Circuit Block Diagram495
- Control Registers496
  - LCD Mode Control Registers497
  - LCD Port Control Registers501
- Operation509
- LCD Display Examples518
Chapter 18 Reram531
- Overview of Reram532
- Self-Programming Rewriting Method534
  - Procedures for Rewriting535
  - Interrupts During Programming535
- Reram Control Registers536
- Command Library537
Chapter 19 On-Board Debugger539
- List of On-Board Debugging Functions541
Chapter 20 Appendix543
- Symbol Definitions544
- Instruction Set547
- Instruction Map553

Table of Contents

Related product manuals