7540 datasheet(15/366 Pages) RENESAS

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List of figures

7540 Group

Fig. 3.2.58 Ta-ICC characteristics (When system is operating by on-chip oscillator, at WIT

instruction execution, Ceramic oscillation stop: One Time PROM version) ................. 3-57

Fig. 3.2.59 VCC-VIHL characteristics (I/O port (CMOS): One Time PROM version) ............. 3-58

Fig. 3.2.60 VCC-VIHL characteristics (I/O port (TTL): One Time PROM version) .................. 3-58

Fig. 3.2.61 VCC-VIHL characteristics (RESET pin: One Time PROM version) ....................... 3-59

Fig. 3.2.62 VCC-VIHL characteristics (XIN pin: One Time PROM version) ............................... 3-59

Fig. 3.2.63 VCC-VIL characteristics (CNVSS pin: One Time PROM version) .......................... 3-59

Fig. 3.2.64 VCC-HYS characteristics (RESET pin: One Time PROM version) ..................... 3-60

Fig. 3.2.65 VCC-HYS characteristics (SIO pin: One Time PROM version) ........................... 3-60

Fig. 3.2.66 VCC-HYS characteristics (INT pin: One Time PROM version) ........................... 3-60

Fig. 3.2.67 VOH-IOH characteristics of P-channel (VCC = 3.0 V, normal port: One Time PROM

version) ................................................................................................................................... 3-61

Fig. 3.2.68 VOH-IOH characteristics of P-channel (VCC = 5.0 V, normal port: One Time PROM

version) ................................................................................................................................... 3-61

Fig. 3.2.69 VOL-IOL characteristics of N-channel (VCC = 3.0 V, normal port: One Time PROM

version) ................................................................................................................................... 3-62

Fig. 3.2.70 VOL-IOL characteristics of N-channel (VCC = 5.0 V, normal port: One Time PROM

version) ................................................................................................................................... 3-62

Fig. 3.2.71 VOL-IOL characteristics of N-channel (VCC = 3.0 V, LED drive port: One Time PROM

version) ................................................................................................................................... 3-63

Fig. 3.2.72 VOL-IOL characteristics of N-channel (VCC = 5.0 V, LED drive port: One Time PROM

version) ................................................................................................................................... 3-63

Fig. 3.2.73 VCC-IIL characteristics (Port “L” input current when connecting pull-up transistor:

One Time PROM version) .................................................................................................... 3-64

Fig. 3.2.74 VIN-II(AD) characteristics (A/D port input current during A/D conversion, f(XIN) = 8

MHz in high-speed mode: One Time PROM version) ..................................................... 3-65

Fig. 3.2.75 VIN-II(AD) characteristics (A/D port input current during A/D conversion, f(XIN) = 6

MHz in double-speed mode: One Time PROM version) ................................................. 3-65

Fig. 3.2.76 VIN-II(AD) characteristics (A/D port input current during A/D conversion, f(XIN) = 4

MHz in double-speed mode: One Time PROM version) ................................................. 3-65

Fig. 3.2.77 VCC-ROSC characteristics (on-chip oscillator frequency: One Time PROM version) ..... 3-66

Fig. 3.2.78 Ta-ROSC characteristics (on-chip oscillator frequency: One Time PROM version) ...... 3-66

Fig. 3.2.79 R-f(XIN) characteristics (RC oscillation frequency: One Time PROM version) 3-67

Fig. 3.2.80 C-f(XIN) characteristics (RC oscillation frequency: One Time PROM version) 3-67

Fig. 3.2.81 VCC-f(XIN) characteristics (RC oscillation frequency: One Time PROM version) ... 3-68

Fig. 3.2.82 Ta-f(XIN) characteristics (RC oscillation frequency: One Time PROM version)3-68

Fig. 3.2.83 Definition of A/D conversion accuracy .................................................................. 3-69

Fig. 3.2.84 A/D conversion accuracy typical characteristic example-1 (One Time PROM version) .. 3-70

Fig. 3.2.85 A/D conversion accuracy typical characteristic example-2 (One Time PROM version) .. 3-71

Fig. 3.2.86 A/D conversion accuracy typical characteristic example-3 (One Time PROM version) .. 3-72

Fig. 3.3.1 Sequence of setting serial I/O1 control register again ......................................... 3-80

Fig. 3.3.2 Connection diagram ................................................................................................... 3-82

Fig. 3.3.3 State transition ............................................................................................................ 3-84

Fig. 3.3.4 Switching method of CPU mode register ............................................................... 3-85

Fig. 3.3.5 Sequence of switch the detection edge .................................................................. 3-86

Fig. 3.3.6 Sequence of check of interrupt request bit ............................................................ 3-86

Fig. 3.3.7 Structure of interrupt control register 2 .................................................................. 3-87

Fig. 3.3.8 Initialization of processor status register ................................................................ 3-88

Fig. 3.3.9 Sequence of PLP instruction execution .................................................................. 3-88

Fig. 3.3.10 Stack memory contents after PHP instruction execution ................................... 3-88

Fig. 3.3.11 Status flag at decimal calculations ........................................................................ 3-89

Fig. 3.3.12 Programming and testing of One Time PROM version ...................................... 3-90

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