
Rev.2.00
Jul 27, 2004
page 64 of 159
REJ03B0091-0200Z
4524 Group
 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) ..............................................................................
 External 1 interrupt request flag (EXF1) ..............................................................................
 Interrupt control register V1 ..................................................................................................
 Interrupt control register V2 ..................................................................................................
 Interrupt control register I1 ...................................................................................................
 Interrupt control register I2 ...................................................................................................
 Interrupt control register I3 ...................................................................................................
 Timer 1 interrupt request flag (T1F) .....................................................................................
 Timer 2 interrupt request flag (T2F) .....................................................................................
 Timer 3 interrupt request flag (T3F) .....................................................................................
 Timer 4 interrupt request flag (T4F) .....................................................................................
 Timer 5 interrupt request flag (T5F) .....................................................................................
 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 .....................................................................................................
 Timer control register W6 .....................................................................................................
 Clock control register MR .....................................................................................................
 Serial I/O transmit/receive complation flag (SIOF) ..............................................................
 Serial I/O mode register J1 ..................................................................................................
 Serial I/O register SI .............................................................................................................
 A/D conversion completion flag (ADF) .................................................................................
 A/D control register Q1 .........................................................................................................
 A/D control register Q2 .........................................................................................................
 A/D control register Q3 .........................................................................................................
 Successive approximation register AD ................................................................................
 Comparator register ..............................................................................................................
 LCD control register L1 ........................................................................................................
 LCD control register L2 ........................................................................................................
“” represents undefined.
Fig. 50 Internal state at reset
(2) Internal state at reset
Figure 50 and 51 show internal state at reset (they are the same af-
ter system is released from reset). The contents of timers, registers,
flags and RAM except shown in Figure 50 are undefined, so set the
initial value to them.
000
00
0
(Interrupt disabled)
0
(Interrupt disabled)
0
(Interrupt disabled)
0
000
0
000
0
1
0
(Prescaler stopped)
0
(Timer 1 stopped)
0
(Timer 2 stopped)
0
(Timer 3 stopped)
0
(Timer 4 stopped)
0
(Timer 5 stopped)
0
(Timer LC stopped)
1
100
0
(External clock selected,
serial I/O port not selected)
0
000
0
000
0
000
0
000
1
111