Rev.2.00
May. 24, 2006
page 53 of 90
REJ03B0028-0200
3826 Group (A version)
Fig. 58 Internal state of microcomputer immediately after reset
Note: The contents of all other registers and RAM are undefined after
reset, so they must be initialized by software.
: Undefined
Register contents
Address
000116
000316
000516
000716
000916
000B16
000D16
000F16
001416
001616
001716
001916
001A16
001B16
001D16
002016
002116
002216
002316
002416
002516
002616
002716
002816
002916
002A16
002B16
003216
003316
003416
003616
003716
003816
003916
003A16
003B16
003C16
003D16
003E16
003F16
(PS)
(PCH)
(PCL)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
(28)
(33)
(34)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(35)
(36)
(37)
(38)
(39)
(40)
(41)
(42)
(43)
Timer Y low-order register
Port P5 direction register
Port P6 direction register
PULL register B
Timer Y high-order register
Serial I/O1 control register
UART control register
Timer X high-order register
Timer X low-order register
Timer X mode register
Timer Y mode register
Timer 123 mode register
Serial I/O1 status register
Port P7 direction register
AD control register
Segment output enable register
LCD mode register
PULL register A
Interrupt edge selection register
CPU mode register
Interrupt request register 1
Interrupt request register 2
Interrupt control register 1
Interrupt control register 2
Processor status register
Program counter
Port P4 direction register
Port P2 direction register
Port P3 output control register
Port P1 direction register
Port P0 direction register
Timer 1 register
Timer 2 register
Timer 3 register
AD conversion low-order register
111 0 0 0
0
100 0 0 0
0
001 1 11
1
1 0 0 1 0
0
1
0016
FF16
0016
FF16
0016
3F16
0016
FF16
Contents of address FFFD16
Contents of address FFFC16
DA control register
Watchdog timer control register
DA1 conversion register
DA2 conversion register
Serial I/O2 control register
TOUT/
φ output control register
PWM control register
Watchdog timer (high-order)
(48)
Watchdog timer (low-order)
FF16
0116
0016
0 0 0 1 0
0
3F16
FF16
(49)
001516
Key input control register
0016
00 0 0
1
0
002E16
002F16
(29)
(30)
0616
0016
CTCSS timer (low-order)
CTCSS timer (high-order)
003016
003116
(31)
(32)
0616
DTMF high group timer
DTMF low group timer
(44)
(45)
(46)
(47)
Register contents
Address