455A datasheet(52/148 Pages) RENESAS

52 / 148 page

Rev.1.01

Feb 15, 2008

Page 52 of 146

REJ03B0224-0101

455A Group

(4) Internal state at reset

Figure 51 and 52 shows internal state at reset (they are the same

after system is released from reset). The contents of timers,

registers, flags and RAM except shown in Figure 51 and 52 are

undefined, so set the initial value to them.

Fig 51. Internal state at reset (1)

• Program counter (PC)

Address 0 in page 0 is set to program counter.

• Interrupt enable flag (INTE)

• Power down flag (P)

• External 0 interrupt request flag (EXF0)

• Interrupt control register V1

• Interrupt control register V2

• Interrupt control register I1

• Timer 1 interrupt request flag (T1F)

• Timer 2 interrupt request flag (T2F)

• Timer 3 interrupt request flag (T3F)

• Watchdog timer flags (WDF1, WDF2)

• Watchdog timer enable flag (WEF)

• Timer control register PA

• Timer control register W1

• Timer control register W2

•Timer control register W3

• Timer control register W4

• Timer control register W5

• Clock control register MR

• Clock control register RG

• LCD control register L1

• LCD control register L2

• LCD control register L3

• LCD control register C1

• LCD control register C2

• LCD control register C3

(Interrupt disabled)

(Prescaler stopped)

(Timer 1 stopped)

(Timer 2 stopped)

(Timer 3 stopped)

(Timer LC stopped)

455A Datasheet(PDF) 52 Page - Renesas Technology Corp

455A Datasheet(HTML) 52 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL