Mitsubishi microcomputers
M16C / 61 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Reset
16
Figure 1.6.3. Device's internal status after a reset is cleared
(1) Processor mode register 0 (Note)
(2) Processor mode register 1
(3) System clock control register 0
(4) System clock control register 1
(5) Chip select control register
(6) Address match interrupt enable register
(7) Protect register
(8) Watchdog timer control register
(9) Address match interrupt register 0
(10)Address match interrupt register 1
(11)DMA0 control register
(12)DMA1 control register
(13)register
(14)DMA0 interrupt control register
(15)DMA1 interrupt control register
(16)Key input interrupt control register
(17)A-D conversion interrupt control register
(18)UART2 transmit interrupt control register
(19)UART2 receive interrupt control register
(20)UART0 transmit interrupt control register
(21)UART0 receive interrupt control register
(22)UART1 transmit interrupt control register
(23)UART1 receive interrupt control register
(24)Timer A0 interrupt control register
(25)Timer A1 interrupt control register
(26)Timer A2 interrupt control register
(27)Timer A3 interrupt control register
(28)Timer A4 interrupt control register
(29)Timer B0 interrupt control register
(30)Timer B1 interrupt control register
(31)Timer B2 interrupt control register
(32)INT0 interrupt control register
(33)INT1 interrupt control register
(34)INT2 interrupt control register
(35)UART2 transmit/receive mode register
(36)UART2 transmit/receive control register 0
(37)UART2 transmit/receive control register 1
(38)Count start flag
(39)
One-shot start flag
(40)
Trigger select flag
Up-down flag
(42)
Timer A0 mode register
(43)
Timer A1 mode register
(44)
Timer A2 mode register
(47)
Timer B0 mode register
(48)
Timer B1 mode register
(49)
Timer B2 mode register
(50)
UART0 transmit/receive mode register
(51)
UART0 transmit/receive control register 0
(52)
UART0 transmit/receive control register 1
(53)
UART1 transmit/receive mode register
(54)
UART1 transmit/receive control register 0
(55)
UART1 transmit/receive control register 1
(56)
UART transmit/receive control register 2
(57)
DMA0 cause select register
(58)
DMA1 cause select register
(59)
A-D control register 2
(60)
A-D control register 0
(61)
A-D control register 1
(62)
D-A control register
(63)
Port P0 direction register
(64)
Port P1 direction register
(65)
Port P2 direction register
(66)
Port P3 direction register
(67)
Port P4 direction register
(68)
Port P5 direction register
(69)
Port P6 direction register
(70)
Port P7 direction register
(71)
Port P8 direction register
(72)
Port P9 direction register
(73)
Port P10 direction register
(74)
Pull-up control register 0
(75)
Pull-up control register 1
(76)
Pull-up control register 2
(77)
Data registers (R0/R1/R2/R3)
(78)
Address registers (A0/A1)
(79)
Frame base register (FB)
(80)
Interrupt table register (INTB)
(81)
User stack pointer (USP)
(82)
Interrupt stack pointer (ISP)
(83)
Static base register (SB)
(84)
Flag register (FLG)
(45)
Timer A3 mode register
(46)
(0396
16
)···
(0397
16
)···
(0398
16
)···
(039B
16
)···
(039C
16
)···
(039D
16
)···
(03A0
16
)···
(03A4
16
)···
(03A5
16
)···
(03A8
16
)···
(03AC
16
)···
(03AD
16
)···
(03B0
16
)···
(03B8
16
)···
(03BA
16
)···
(03D4
16
)···
(03D6
16
)···
(03D7
16
)···
(03DC
16
)···
(03E2
16
)···
(03E3
16
)···
(03E6
16
)···
(03E7
16
)···
(03EA
16
)···
(03EB
16
)···
(03EE
16
)···
(03EF
16
)···
(03F2
16
)···
(03F3
16
)···
(03F6
16
)···
(03FC
16
)···
(03FD
16
)···
(03FE
16
)···
(0399
16
)···
(039A
16
)···
Timer A4 mode register
x : Nothing is mapped to this bit
: Undefined
(85)
(0004
16
)···
(0005
16
)···
(0006
16
)···
(0007
16
)···
(0008
16
)···
(0009
16
)···
(000A
16
)···
(000F
16
)···
(0010
16
)···
(0011
16
)···
(0012
16
)···
(0014
16
)···
(0015
16
)···
(0016
16
)···
(002C
16
)···
(003C
16
)···
(004A
16
)···
(004B
16
)···
(004C
16
)···
(004D
16
)···
(004E
16
)···
(004F
16
)···
(0050
16
)···
(0051
16
)···
(0052
16
)···
(0053
16
)···
(0054
16
)···
(0055
16
)···
(0056
16
)···
(0057
16
)···
(0058
16
)···
(0059
16
)···
(005A
16
)···
(005B
16
)···
(005C
16
)···
(005D
16
)···
(005E
16
)···
(005F
16
)···
(0378
16
)···
(037C
16
)···
(037D
16
)···
(0380
16
)···
(0382
16
)···
(0383
16
)···
(0384
16
)···
(0381
16
)···
Clock prescaler reset flag
(41)
The content of other registers and RAM is undefined when the microcomputer is reset. The initial values
must therefore be set.
Note: When the V
CC
level is applied to the CNV
SS
pin, it is 03
16
at a reset.
0
0
0
00
16
00
16
00
16
00
16
00
16
0
0 0 0 0
0 0
0 0 0 0
0 0
0 0 0 0
00
16
0 0 0
1 0 0 0
0 0 0
0 0 1 0
0
0
00
16
0 0 0
1 0 0 0
0 0 0
0 0 1 0
0
0
0
0 0 0 0
0
00
16
00
16
0 0 0
0
0
00
16
00
16
00
16
00
16
00
16
00
16
00
16
00
16
00
16
00
16
00
16
00
16
00
16
00
16
00
16
0000
16
0000
16
0000
16
00000
16
0000
16
0000
16
0000
16
0000
16
0 0
0
0
0
0 0
0
1
0
0
0
0
0
00
16
0
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
00
16
00
16
0 0 0
0
00
16
00
16
0 0 0
0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
00
16
0 0 0
0 0 0 0 1
0 1 0
0 0 0 0 0
00
16
0
0
0
0 0 0
00
16
00
16
0 0
0 0
0 0
0
0 0 0 0