(13)
CHAPTER 18 OSCILLATION CIRCUIT
18.1 Oscillator Circuit ...........................................................................................18-2
18.1.1 Example of an Oscillator Circuit..............................................................18-2
18.1.2 System Clock Output Function ...............................................................18-3
18.1.3 Oscillation Stabilization Time at Power-on .............................................18-4
18.2 Clock Generator Circuit................................................................................18-5
CHAPTER 19 JTAG
19.1 Outline of JTAG.............................................................................................19-2
19.2 Configuration of the JTAG Circuit...............................................................19-3
19.3 JTAG Registers .............................................................................................19-4
19.3.1 Instruction Register (JTAGIR).................................................................19-4
19.3.2 Data Registers ........................................................................................19-5
19.4 Basic Operation of JTAG .............................................................................19-6
19.4.1 Outline of JTAG Operation .....................................................................19-6
19.4.2 IR Path Sequence...................................................................................19-8
19.4.3 DR Path Sequence ...............................................................................19-10
19.4.4 Examining and Setting Data Registers .................................................19-12
19.5 Boundary Scan Description Language.....................................................19-14
19.6 Precautions about Board Design when Connecting JTAG..................... 19-34
CHAPTER 20 POWER-UP/POWER-SHUTDOWN SEQUENCE
20.1 Configuration of the Power Supply Circuit ................................................20-2
20.2 Power-On Sequence .....................................................................................20-3
20.2.1 Power-On Sequence When Not Using RAM Backup .............................20-3
20.2.2 Power-On Sequence When Using RAM Backup....................................20-4
20.3 Power-Shutdown Sequence.........................................................................20-5
20.3.1 Power-Shutdown Sequence When Not Using RAM Backup .................. 20-5
20.3.2 Power-Shutdown Sequence When Using RAM Backup.........................20-6