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7532/7536 Group User’s Manual
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Table of contents
CHAPTER 1 HARDWARE
DESCRIPTION ................................................................................................................................1-2
FEATURES......................................................................................................................................1-2
APPLICATION ................................................................................................................................1-2
PIN CONFIGURATION ..................................................................................................................1-2
FUNCTIONAL BLOCK ..................................................................................................................1-4
PIN DESCRIPTION ........................................................................................................................1-5
GROUP EXPANSION ....................................................................................................................1-6
FUNCTIONAL DESCRIPTION ......................................................................................................1-7
Central Processing Unit (CPU) ..............................................................................................1-7
Processor status register (PS) ...............................................................................................1-9
Switching method of CPU mode register ...........................................................................1-10
Memory ....................................................................................................................................1-11
I/O Ports ..................................................................................................................................1-13
Interrupts .................................................................................................................................1-17
Key Input Interrupt (Key-On Wake-Up)...............................................................................1-19
Timers ......................................................................................................................................1-20
Serial I/O .................................................................................................................................1-22
A-D Converter.........................................................................................................................1-33
Reset Circuit ...........................................................................................................................1-35
Clock Generating Circuit .......................................................................................................1-37
NOTES ON PROGRAMMING.....................................................................................................1-39
NOTES ON USE ..........................................................................................................................1-39
DATA REQUIRED FOR MASK ORDERS ................................................................................1-40
ROM PROGRAMMING METHOD ..............................................................................................1-40
FUNCTIONAL DESCRIPTION SUPPLEMENT .........................................................................1-41
Interrupt ...................................................................................................................................1-41
Timing After Interrupt.............................................................................................................1-42
A-D Converter.........................................................................................................................1-43
Stop mode...............................................................................................................................1-45
Wait mode ...............................................................................................................................1-46
DIFFERENCES BETWEEN 7532 GROUP AND 7536 GROUP.............................................1-47
Description supplement for use of USB function Stably .................................................1-51
Relationship between USB output singal (D+, D- signal) and cable load.....................1-54
CHAPTER 2 APPLICATION
2.1 I/O port.....................................................................................................................................2-2
2.1.1 Memory map ...................................................................................................................2-2
2.1.2 Relevant registers ..........................................................................................................2-2
2.1.3 Application example of key-on wake up .....................................................................2-6
2.1.4 Handling of unused pins ...............................................................................................2-7
2.1.5 Notes on input and output pins ...................................................................................2-8
2.1.6 Termination of unused pins ..........................................................................................2-9
2.2 Timer.......................................................................................................................................2-10
2.2.1 Memory map .................................................................................................................2-10
2.2.2 Relevant registers ........................................................................................................2-10
2.2.3 Timer application examples ........................................................................................2-16
Table of contents