3807 Datasheet, PDF (50/75 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS
3807 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
(1) Port P0
Address Register contents
000016
0016
(34) Timer 3
Address Register contents
002616
FF16
(2) Port P0 direction register
000116
0016
(35) Timer X mode register
002716
0016
(3) Port P1
000216
0016
(36) Timer Y mode register
002816
0016
(4) Port P1 direction register
000316
0016
(37) Timer 123 mode register
002916
0016
(5) Port P2
000416
0016
(38) Real time port register 0—7
002A16
0016
(6) Port P2 direction register
000516
0016
(39) Real time port control register 0 002B16 1 0 0 1 0 0 0 0
(7) Port P3
000616
0016
(40) Real time port control register 1 002C16 1
0000
(8) Port P3 direction register
000716
0016
R/W pointer
1 11
(9) Port P4
000816
0016
Output pointer
1 11
(10) Port P4 direction register
000916
0016
(41) Real time port control register 2 002D16 1
0000
(11) Port P5
000A16
0016
R/W pointer
1 11
(12) Port P5 direction register
000B16
0016
Output pointer
1 11
(13) Port P6
000C16
0016
(42) Real time port control register 3 002E16
0016
(14) Port P6 direction register
000D16
0016
(43) Timer A (low-order)
002F16
FF16
(15) Port P7
000E16
0016
(44) Timer A (high-order)
003016
FF16
(16) Port P7 direction register
000F16
0016
(45) Timer B (low-order)
003116
FF16
(17) Port P8
001016
0016
(46) Timer B (high-order)
003216
FF16
(18) Port P8 direction register
001116
0016
(47) D-A control register
003316
0016
(19) Timer XY control register
001416 _{0 0 0 0 0 0 1 1}
(48) A-D control register
003416 0 0 0 1 0 0 0 0
(20) Port P2P3 control register
(21) Pull-up control register
001516 _* 0 0 0 0 0 0 0
001616
0016
(49) D-A1 conversion register
(50) D-A2 conversion register
003616
003716
0016
0016
(22) Watchdog timer control register 001716 _{0 0 1 1 1 1 1 1}
(51) D-A3 conversion register
003816
0016
(23) Serial I/O1 status register
001916 1 0 0 0 0 0 0 0
(52) D-A4 conversion register
003916
0016
(24) Serial I/O1 control register
001A16
0016
(53) Interrupt edge selection register 003A16
0016
(25) UART control register
001B16 1 1 1 0 0 0 0 0
(54) CPU mode register
003B16 0 1 0 0 1 0 _* 0
(26) Serial I/O2 control register 1
001D16
0016
(55) Interrupt request register 1
003C16
0016
(27) Serial I/O2 control register 2
001E16 0 0 0 0 0 1 1 1
(56) Interrupt request register 2
003D16
0016
(28) Timer X (low-order)
002016
FF16
(57) Interrupt control register 1
003E16
0016
(29) Timer X (high-order)
002116
FF16
(58) Interrupt control register 2
003F16
0016
(30) Timer Y (low-order)
002216
FF16
(59) Processor status register
(PS) ! ! ! ! ! 1 ! !
(31) Timer Y (high-order)
002316
FF16
(60) Program counter
(PCH) FFFD16 contents
(32) Timer 1
002416
FF16
(PCL) FFFC16 contents
(33) Timer 2
002516
0116
* The initial values depend on level of port CNVSS.
X: Not fixed
Since the initial values for other than above mentioned registers and RAM contents are indefinite at reset, they must be set.
Fig. 54. Internal status at reset
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