3819 datasheet(61/218 Pages) RENESAS

61 / 218 page

3819 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

Fig. 46 Internal status at reset

0 1 001 0 0 0

0016

(000016) • • •

(1) Port P0

! : Undefined

The contents of all other registers and RAM are undefined at reset, so set their initial values.

Note :

Address

0016

(000216) • • •

(2) Port P1

0016

(000416) • • •

(3) Port P2

0F16

(000516) • • •

(4) Port P2 direction register

0016

(000616) • • •

(5) Port P3

0016

(000816) • • •

(6) Port P4

0016

(000916) • • •

(7) Port P4 direction register

0016

(000A16) • • •

(8) Port P5

0016

(000B16) • • •

(9) Port P5 direction register

0016

(000C16) • • •

(10) Port P6

0016

(000D16) • • •

(11) Port P6 direction register

0016

(000E16) • • •

(12) Port P7

0016

(000F16) • • •

(13) Port P7 direction register

0016

(001016) • • •

(14) Port P8

0016

(001116) • • •

(15) Port P8 direction register

0016

(001216) • • •

(16) Port P9

0016

(001416) • • •

(17) Port PA

0016

(001516) • • •

(18) Port PA direction register

0016

(001616) • • •

(19) Port PB

0016

(001716) • • •

(20) Port PB direction register

0016

(001916) • • •

(21) Serial I/O1 control register

0016

(001A16) • • •

(22) Serial I/O automatic transfer

0016

(001C16) • • •

(23) Serial I/O automatic transfer

0016

(001D16) • • •

(24) Serial I/O2 control register

0016

(001E16) • • •

(25) Serial I/O3 control register

FF16

(002016) • • •

(26) Timer 1

0116

(002116) • • •

(27) Timer 2

FF16

(002216) • • •

(28) Timer 3

FF16

(002316) • • •

(29) Timer 4

FF16

(002416) • • •

(30) Timer 5

FF16

(002516) • • •

(31) Timer 6

Address

0016

(002816) • • •

(32) Timer 12 mode register

0016

(002916) • • •

(33) Timer 34 mode register

0016

(002A16) • • •

(34) Timer 56 mode register

0016

(002B16) • • •

(35) D-A conversion register

1016

(002C16) • • •

(36) AD/DA control register

0016

(003116) • • •

(37) Interrupt interval determination

control register

0016

(003216) • • •

(38) Port P0 segment/digit

switch register

0016

(003316) • • •

(39) Port P2 digit/port switching

0016

(003416) • • •

(40) Port P8 segment/port

switch register

0016

(003516) • • •

(41) Port PA segment/port switch

0016

(003616) • • •

(42) FLDC mode register 1

0016

(003716) • • •

(43) FLDC mode register 2

0016

(003916) • • •

(44) Zero cross detection control

0016

(003A16) • • •

(45) Interrupt edge selection register

(003B16) • • •

(46) CPU mode register

0016

(003C16) • • •

(47) Interrupt request register 1

0016

(003D16) • • •

(48) Interrupt request register 2

0016

(003E16) • • •

(49) Interrupt control register 1

0016

(003F16) • • •

(50) Interrupt control register 2

(PS) • • •

(51) Processor status register

Contents of address FFFD16

(PCH) • • •

(52) Program counter

control register

interval register

Contents of address FFFC16

(PCL) • • •

! !!! 1 !!

3819 Datasheet(PDF) 61 Page - Renesas Technology Corp

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