參數(shù)資料
型號(hào): M38254M6DXXXFP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁(yè)數(shù): 49/73頁(yè)
文件大?。?/td> 1323K
代理商: M38254M6DXXXFP
Rev.2.02
Jun 19, 2007
page 51 of 73
REJ03B0146-0202
3823 Group
Fig. 53 Initial status of microcomputer after reset
Port P0 direction register
Port P1 direction register
Port P2 direction register
Port P4 direction register
Port P5 direction register
Port P6 direction register
Port P7 direction register
ROM correctoin enable register (RCR)
PULL register A
PULL register B
Sirial I/O status register
Sirial I/O control register
UART control register
Timer X high-order register
Timer X low-order register
Timer Y high-order register
Timer Y low-order register
Timer 1 register
Timer 2 register
Timer 3 register
Timer X mode register
Timer Y mode register
Timer 123 mode register
φ output control register
CPU mode extension register
Temporary data register 0
Temporary data register 1
Temporary data register 2
RRF register
Peripheral function extension register
AD control register
AD conversion low-order register
Watchdog timer control register
Segment output enable register
LCD mode register
Interrupt edge selection register
CPU mode register
Interrupt request register 1
Interrupt request register 2
Interrupt control register 1
Interrupt control register 2
Processor status register
Program counter
Note: The contents of all other registers and RAM are undefined after reset, so they must be
initialized by software.
: undefined
Register Contents
Address
0016
FF16
0116
FF16
0016
Contents of address FFFD16
Contents of address FFFC16
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
(28)
(29)
(30)
(31)
(32)
(33)
(34)
(35)
(36)
(37)
(38)
(39)
(40)
(41)
(42)
(43)
000116
000316
000516
000916
000B16
000D16
000F16
001416
001616
001716
001916
001A16
001B16
002016
002116
002216
002316
002416
002516
002616
002716
002816
002916
002A16
002B16
002C16
002D16
002E16
002F16
003016
003416
003616
003716
003816
003916
003A16
003B16
003C16
003D16
003E16
003F16
(PS)
(PCH)
(PCL)
0
0001
00
0
1
1100
00
0
1
0000
00
0
0001
11
0
000
00
0
00111
11
1
1
01
001
00
0
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