Contents-10
32192/32195/32196 Group Hardware Manual
Rev.1.10 REJ09B0123-0110 Apr.06.07
16.5.1
Description of NBD Operation ------------------------------------------------------------------------------- 16-8
16.5.2
NBDD Data Format -------------------------------------------------------------------------------------------- 16-9
16.6 Event Detection Function ----------------------------------------------------------------------------------------------- 16-11
16.6.1
Event Address Setting Register ---------------------------------------------------------------------------- 16-11
16.6.2
Event Condition Setting Register --------------------------------------------------------------------------- 16-12
16.6.3
Event Generation Register ----------------------------------------------------------------------------------- 16-12
CHAPTER 17 EXTERNAL BUS INTERFACE
17.1 Outline of the External Bus Interface -------------------------------------------------------------------------------- 17-2
17.1.1
External Bus Interface Related Signals ------------------------------------------------------------------- 17-2
17.2 External Bus Interface Related Registers -------------------------------------------------------------------------- 17-5
17.2.1
Port Operation Mode and Port Peripheral Function Select Registers ----------------------------- 17-5
17.2.2
Bus Mode Control Register ---------------------------------------------------------------------------------- 17-15
17.2.3
CLKOUT Select Register ------------------------------------------------------------------------------------- 17-16
17.3 Read/Write Operations -------------------------------------------------------------------------------------------------- 17-19
17.4 Bus Arbitration ------------------------------------------------------------------------------------------------------------ 17-25
17.5 Typical Connection of External Extension Memory -------------------------------------------------------------- 17-27
17.6 Example of Bus Voltage Settings Using VCC-BUS -------------------------------------------------------------- 17-30
CHAPTER 18 WAIT CONTROLLER
18.1 Outline of the Wait Controller ------------------------------------------------------------------------------------------ 18-2
18.2 Wait Controller Related Registers ------------------------------------------------------------------------------------ 18-4
18.2.1
CS Area Wait Control Registers ---------------------------------------------------------------------------- 18-4
18.2.2
Flash E/W Wait Select Register ---------------------------------------------------------------------------- 18-6
18.3 Typical Operation of the Wait Controller ---------------------------------------------------------------------------- 18-7
CHAPTER 19 RAM BACKUP MODE
19.1 Outline of RAM Backup Mode ----------------------------------------------------------------------------------------- 19-2
19.2 Example of RAM Backup when Power is Off --------------------------------------------------------------------------- 19-3
19.2.1
Normal Operating State --------------------------------------------------------------------------------------- 19-3
19.2.2
RAM Backup State --------------------------------------------------------------------------------------------- 19-4
19.3 Example of RAM Backup for Saving Power Consumption ------------------------------------------------------ 19-5
19.3.1
Normal Operating State --------------------------------------------------------------------------------------- 19-6
19.3.2
RAM Backup State --------------------------------------------------------------------------------------------- 19-7
19.3.3
Precautions to Be Observed at Power-On ---------------------------------------------------------------- 19-8
19.3.4
Power-On Limitation -------------------------------------------------------------------------------------------- 19-8
19.4 Exiting RAM Backup Mode (Wakeup) ------------------------------------------------------------------------------- 19-9
CHAPTER 20 OSCILLATOR CIRCUIT
20.1 Oscillator Circuit ---------------------------------------------------------------------------------------------------------- 20-2
20.1.1
Example of an Oscillator Circuit ----------------------------------------------------------------------------- 20-2
20.1.2
XIN Oscillation Stoppage Detection Circuit --------------------------------------------------------------- 20-3
20.1.3
Oscillation Drive Capability Select Function -------------------------------------------------------------- 20-5
20.1.4
System Clock Output Function ------------------------------------------------------------------------------ 20-7
20.1.5
Oscillation Stabilization Time at Power-On --------------------------------------------------------------- 20-11
20.2 Clock Generator Circuit ------------------------------------------------------------------------------------------------- 20-12