Mitsubishi microcomputers
M16C / 61 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Reset
(1) Processor mode register 0 (Note)
(2) Processor mode register 1
(000416)···
(000516)···
(000616)···
(000716)···
(000816)···
(000916)···
(000A16)···
(000F16)···
(001016)···
(001116)···
(001216)···
(001416)···
(001516)···
(001616)···
(002C16)···
(003C16)···
(004A16)···
(004B16)···
(004C16)···
(004D16)···
(004E16)···
(004F16)···
(005016)···
(005116)···
(005216)···
(005316)···
(005416)···
(005516)···
(005616)···
(005716)···
(005816)···
(005916)···
(005A16)···
(005B16)···
(005C16)···
(005D16)···
(005E16)···
(005F16)···
(037816)···
(037C16)···
(037D16)···
(038016)···
(038116)···
(038216)···
(038316)···
(038416)···
(43)Timer A0 mode register
(44)Timer A1 mode register
(45)Timer A2 mode register
(46)Timer A3 mode register
(47)Timer A4 mode register
(48)Timer B0 mode register
(49)Timer B1 mode register
(50)Timer B2 mode register
(51)UART0 transmit/receive mode register
(039616)···
(039716)···
(039816)···
(039916)···
(039A16)···
(039B16)···
(039C16)···
(039D16)···
(03A016)···
0016
0016
0016
0016
0016
0016
0
0
0
0
0
0
1
0
0
0
0
0
1
0
0
?
(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
0
1
0
0
0
0
1
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
?
(8) Watchdog timer control register
(9) Address match interrupt register 0
0
0
0
?
?
0
0016
0016
0
0016
(52)UART0 transmit/receive control register 0 (03A416)···
(53)UART0 transmit/receive control register 1 (03A516)···
0
0
0
0
0
0
0
0
1
0
0
0
0
1
0
0
0
0
0
(10)Address match interrupt register 1
0016
0016
0
(54)UART1 transmit/receive mode register
(03A816)···
0016
(55)UART1 transmit/receive control register 0 (03AC16)···
(56)UART1 transmit/receive control register 1 (03AD16)···
(57)UART transmit/receive control register 2 (03B016)···
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
1
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
(11)DMA0 control register
(12)DMA1 control register
0
0
0
0
0
0
0
0
0
0
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
?
(58)DMA0 cause select register
(59)DMA1 cause select register
(60) A-D control register 2
(03B816)···
(03BA16)···
(03D416)···
(03D616)···
(03D716)···
(03DC16)···
(03E216)···
(03E316)···
(03E616)···
(03E716)···
(03EA16)···
(03EB16)···
(03EE16)···
(03EF16)···
(03F216)···
(03F316)···
(03F616)···
(03FC16)···
(03FD16)···
(03FE16)···
0016
0016
0
Bus collision detection interrupt control
register
(13)
(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
0
0
0
0
0
0
0
?
(61) A-D control register 0
0
0 ? ?
(62) A-D control register 1
0016
0016
0016
0016
0016
0016
0016
0016
0016
0016
(63)D-A control register
(64)Port P0 direction register
(65)Port P1 direction register
(66)Port P2 direction register
(67)Port P3 direction register
(68)Port P4 direction register
(69)Port P5 direction register
(70)Port P6 direction register
(71)Port P7 direction register
(72)Port P8 direction register
(73)Port P9 direction register
(74)Port P10 direction register
(75)Pull-up control register 0
(76)Pull-up control register 1
(77)Pull-up control register 2
(78)Data registers (R0/R1/R2/R3)
(79)Address registers (A0/A1)
(80)Frame base register (FB)
(81)Interrupt table register (INTB)
(82)User stack pointer (USP)
(83)Interrupt stack pointer (ISP)
(84)Static base register (SB)
(85)Flag register (FLG)
0
0
0
0
0
0
0
0016
0016
0016
0016
0016
0
0
0
0
0
0
000016
000016
000016
0000016
000016
000016
000016
000016
0016
0
0
0
0
0
0
0
0
1
0
0
0
0
1
0
0
0016
(39)Clock prescaler reset flag
0
0
(40)One-shot start flag
0
0
0
0
0
0
x : Nothing is mapped to this bit
? : Undefined
(41)Trigger select flag
0016
0016
(42)Up-down flag
The content of other registers and RAM is undefined when the microcomputer is reset. The initial values
must therefore be set.
Note: When the VCC level is applied to the CNVSS pin, it is 0316 at a reset.
Figure 1.6.3. Device's internal status after a reset is cleared
16
MITSUBISHI [ Mitsubishi Group ]
