M38197MA Datasheet, PDF (46/60 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS
3819 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Address
(1) Port P0
(000016) • • •
(2) Port P1
(000216) • • •
(3) Port P2
(000416) • • •
(4) Port P2 direction register
(000516) • • •
(5) Port P3
(000616) • • •
(6) Port P4
(000816) • • •
(7) Port P4 direction register
(000916) • • •
(8) Port P5
(000A16) • • •
(9) Port P5 direction register
(000B16) • • •
(10) Port P6
(000C16) • • •
(11) Port P6 direction register
(000D16) • • •
(12) Port P7
(000E16) • • •
(13) Port P7 direction register
(000F16) • • •
(14) Port P8
(001016) • • •
(15) Port P8 direction register
(001116) • • •
(16) Port P9
(001216) • • •
(17) Port PA
(001416) • • •
(18) Port PA direction register
(001516) • • •
(19) Port PB
(001616) • • •
(20) Port PB direction register
(001716) • • •
(21) Serial I/O1 control register (001916) • • •
(22) Serial I/O automatic transfer (001A16) • • •
control register
(23) Serial I/O automatic transfer (001C16) • • •
interval register
(24) Serial I/O2 control register (001D16) • • •
(25) Serial I/O3 control register (001E16) • • •
(26) Timer 1
(002016) • • •
(27) Timer 2
(002116) • • •
(28) Timer 3
(002216) • • •
(29) Timer 4
(002316) • • •
(30) Timer 5
(002416) • • •
Register contents
0016
0016
0016
0F16
0016
0016
0016
0016
0016
0016
0016
0016
0016
0016
0016
0016
0016
0016
0016
0016
0016
0016
0016
0016
0016
FF16
0116
FF16
FF16
FF16
Address
Register contents
(31) Timer 6
(002516) • • •
FF16
(32) Timer 12 mode register
(002816) • • •
0016
(33) Timer 34 mode register
(002916) • • •
0016
(34) Timer 56 mode register
(002A16) • • •
0016
(35) D-A conversion register
(002B16) • • •
0016
(36) AD/DA control register
(002C16) • • •
1016
(37) Interrupt interval determination (003116) • • •
0016
control register
(38) Port P0 segment/digit
(003216) • • •
0016
switch register
(39) Port P2 digit/port switching
(003316) • • •
0016
register
(40) Port P8 segment/port
(003416) • • •
0016
switch register
(41) Port PA segment/port switch
(003516) • • •
0016
(42) FLDC mode register 1
(003616) • • •
0016
(43) FLDC mode register 2
(003716) • • •
0016
(44) Zero cross detection control
(003916) • • •
0016
register
(45) Interrupt edge selection register (003A16) • • •
0016
(46) CPU mode register
(003B16) • • • 0 1 0 0 1 0 0 0
(47) Interrupt request register 1
(003C16) • • •
0016
(48) Interrupt request register 2
(003D16) • • •
0016
(49) Interrupt control register 1
(003E16) • • •
0016
(50) Interrupt control register 2
(003F16) • • •
0016
(51) Processor status register
(PS) • • • ! ! ! ! ! 1 ! !
(52) Program counter
(PCH) • • • Contents of address FFFD16
(PCL) • • • Contents of address FFFC16
Note : ! : Undefined
The contents of all other registers and RAM are undefined at reset, so set their initial values.
Fig. VB-3 Internal status at reset
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