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參數(shù)資料
| 型號： | M37545G8-XXXGP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP32 |
| 封裝： | 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32 |
| 文件頁數(shù)： | 31/63頁 |
| 文件大?。?/td> | 774K |
| 代理商： | M37545G8-XXXGP |
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Rev.1.07
Mar 19, 2009
Page 37 of 60
REJ03B0140-0107
7545 Group
MISRG
The 7545 Group has two power source supply pins. One is the
VCC pin, and the other is the VDDR pin only for RAM2. A
potential difference between VCC and VDDR may cause some
failures in reading from RAM2 o r wr iting to RAM2.
Accordingly, if there is a potential difference between VCC and
VDDR at power-on, confirm the bit 1 (RAM2 status flag) of
MISRG (address 003816) before reading from RAM2 or writing
to RAM2.
Fig. 39 Structure of MISRG
Fig. 40 Internal status of microcomputer at reset
b7
b0
RAM2 status flag
0: RW disabled
1: RW enabled
Oscillation stabilization time set bit after
release of the STP instruction
0: Set “0316” in timer1, and “FF16”
in prescaler 1 automatically
1: Not set automatically
Reserved bits
(Do not write “1” to these bits)
MISRG(address 003816, initial value: 0X16)
(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)
000116
000316
000516
000716
000916
001616
001716
001816
001916
002716
002816
002916
002A16
002B16
002C16
002D16
002E16
003816
003916
003A16
003B16
003C16
003E16
(PS)
(PCH)
(PCL)
0016
00
0016
FF16
0316
0016
0616
FF16
00
000
0
00
111
11
1
10
000
00
0
0016
X1
0016
00
0
FF16
00
000
00
0
Register contents
Address
Port P0 direction register (P0D)
Port P1 direction register (P1D)
Port P2 direction register (P2D)
Port P3 direction register (P3D)
Port P4 direction register (P4D)
Pull-up control register (PULL)
Port output mode switch register (PMOD)
Key-on wakeup pin selection register (KEYSEL)
Key-on wakeup edge selection register (KEYEDGE)
Carrier wave control register (CARCNT)
Prescaler 1 (PRE1)
Timer 1 (T1)
Timer count source set register (TCSS)
Timer 1, 2, 3 control register (TC123)
Timer 2 primary (T2P)
Timer 2 secondary (T2S)
Timer 3 (T3)
MISRG
Watchdog timer control register (WDTCON)
Interrupt edge selection register (INTEDGE)
CPU mode register (CPUM)
Interrupt request register 1 (IREQ1)
Interrupt control register 1 (ICON1)
Processor status register
Program counter
Contents of address FFFD16
Contents of address FFFC16
XX
X
XX
X
XX
X : Undefined
The content of other registers and RAM are undefined when the microcomputer is reset.
The initial values must be surely set before you use it.
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相關(guān)代理商/技術(shù)參數(shù) |
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| M37545GCGP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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