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7531 Group User’s Manual
iii
List of figures
Fig. 2.3.12 Serial I/O connection examples (1) ....................................................................... 2-36
Fig. 2.3.13 Serial I/O connection examples (2) ....................................................................... 2-37
Fig. 2.3.14 Serial I/O transfer data format ............................................................................... 2-38
Fig. 2.3.15 Connection diagram ................................................................................................. 2-39
Fig. 2.3.16 Timing chart .............................................................................................................. 2-39
Fig. 2.3.17 Registers setting relevant to transmission side ................................................... 2-40
Fig. 2.3.18 Transmission data setting of serial I/O2 ............................................................... 2-41
Fig. 2.3.19 Registers setting relevant to reception side ......................................................... 2-41
Fig. 2.3.20 Control procedure of transmission side ................................................................ 2-42
Fig. 2.3.21 Control procedure of reception side ...................................................................... 2-43
Fig. 2.3.22 Connection diagram ................................................................................................. 2-44
Fig. 2.3.23 Timing chart .............................................................................................................. 2-44
Fig. 2.3.24 Registers setting relevant to transmission side ................................................... 2-46
Fig. 2.3.25 Registers setting relevant to reception side ......................................................... 2-47
Fig. 2.3.26 Control procedure of transmission side ................................................................ 2-48
Fig. 2.3.27 Control procedure of reception side ...................................................................... 2-49
Fig. 2.3.28 Sequence of clearing serial I/O ............................................................................. 2-50
Fig. 2.4.1 Memory map of registers relevant to A-D converter ............................................ 2-51
Fig. 2.4.2 Structure of A-D control register .............................................................................. 2-51
Fig. 2.4.3 Structure of A-D conversion register (high-order) ................................................. 2-52
Fig. 2.4.4 Structure of A-D conversion register (low-order) ................................................... 2-52
Fig. 2.4.5 Structure of Interrupt edge selection register ........................................................ 2-53
Fig. 2.4.6 Structure of Interrupt request register 1 ................................................................. 2-53
Fig. 2.4.7 Structure of Interrupt control register 1 .................................................................. 2-54
Fig. 2.4.8 Connection diagram ................................................................................................... 2-55
Fig. 2.4.9 Relevant registers setting ......................................................................................... 2-55
Fig. 2.4.10 Control procedure for 8-bit read ............................................................................ 2-56
Fig. 2.4.11 Control procedure for 10-bit read .......................................................................... 2-56
Fig. 2.5.1 Example of poweron reset circuit ............................................................................ 2-58
Fig. 2.5.2 RAM backup system .................................................................................................. 2-58
CHAPTER 3 APPENDIX
Fig. 3.1.1 Switching characteristics measurement circuit diagram (General purpose)......... 3-8
Fig. 3.1.2 Timing chart (General purpose) ................................................................................. 3-9
Fig. 3.1.3 Switching characteristics measurement circuit diagram
(Extended operating temperature version) .............................................................. 3-16
Fig. 3.1.4 Timing chart (Extended operating temperature version) ...................................... 3-17
Fig. 3.1.5 Switching characteristics measurement circuit diagram
(Extended operating temperature 125
°C version) ................................................ 3-24
Fig. 3.1.6 Timing chart (Extended operating temperature 125
°C version) ......................... 3-25
Fig. 3.2.1 ICC-VCC characteristic example (in double-speed mode) ..................................... 3-26
Fig. 3.2.2 ICC-VCC characteristic example (in high-speed mode) ......................................... 3-26
Fig. 3.2.3 ICC-VCC characteristic example (in middle-speed mode) ..................................... 3-26
Fig. 3.2.4 ICC-VCC characteristic example (in wait mode) ..................................................... 3-27
Fig. 3.2.5 ICC-VCC characteristic example (in stop mode) ..................................................... 3-27
Fig. 3.2.6 ICC-VCC characteristic example (addition when operating A-D conversion, A-D conversion
executed/not executed, f(XIN) = 8MHz, in high-speed mode) .............................. 3-27
Fig. 3.2.7 ICC-f(XIN) characteristic example (in double-speed mode) ................................... 3-28
Fig. 3.2.8 ICC-f(XIN) characteristic example (in high-speed mode) ....................................... 3-28
Fig. 3.2.9 ICC-f(XIN) characteristic example (in middle-speed mode) ................................... 3-28
Fig. 3.2.10 ICC-f(XIN) characteristic example (in wait mode) ................................................. 3-29