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参数资料
| 型号： | M34506M2-XXXFP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 4-BIT, MROM, MICROCONTROLLER, PDSO20 |
| 封装： | 5.30 X 12.60 MM, 1.27 MM PITCH, PLASTIC, SOP-20 |
| 文件页数： | 60/114页 |
| 文件大小： | 836K |
| 代理商： | M34506M2-XXXFP |
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Guide to Understanding the Register Table
(1) Bit number: Indicates a register’s bit number.
(2) Register border: The registers enclosed with thick border lines must be accessed in halfwords or words.
(3) Status after reset: The initial state of each register after reset is indicated in hexadecimal or binary.
(4) Status after reset: The initial state of each register after reset is indicated bitwise.
0: This bit is “0” after reset.
1: This bit is “1” after reset.
?: This bit is undefined after reset.
(5) The shaded bits mean that they have no functions assigned.
(6) Read conditions:
R: This bit can be accessed for read.
?: The value read from this bit is undefined. (Reading this bit has no effect.)
0: The value read from this bit is always “0”.
1: The value read from this bit is always “1”.
(7) Write conditions:
W: This bit can be accessed for write.
N: This bit is write protected.
0: To write to this bit, always write “0”.
1: To write to this bit, always write “1”.
–: Writing to this bit has no effect. (It does not matter whether this bit is set to “0” or “1” by writing in software.)
Note: Care must be taken when writing to this bit. See Note in each register table.
XXXRegister(XXX)
<Address: H’XXXX XXXX>
b0
123456789
10
11
12
13
14
b15
AAA
BBB
CCC
000
0
<After reset: H’0000>
b
Bit name
Function
R
W
0
AAA
0 : bit
R
W
bit
1 : bit
1
BBB
0 : bit
R
W
bit
1 : bit
2
CCC
0 : bit
R (Note 1)
bit
1 : bit
3–15
No function assigned. Fix to “0”.0
0
Note 1: Only writing “0” is effective. Writing “1” has no effect, in which case the bit retains the value it had before the write.
Notation of active-low pins (signals)
The symbol “#” suffixed to the pin (or signal) names means that the pins (or signals) are active-low.
Before Use
(2)
(4)
(6) (7)
(3)
(1)
(5)
相关PDF资料 |
PDF描述 |
|---|---|
| M34507E4FP | 4-BIT, OTPROM, MICROCONTROLLER, PDSO24 |
| M34507M2-XXXFP | 4-BIT, MROM, MICROCONTROLLER, PDSO24 |
| M34507M4-XXXFP | 4-BIT, MROM, MICROCONTROLLER, PDSO24 |
| M34507M2-XXXFP | 4-BIT, MROM, MICROCONTROLLER, PDSO24 |
| M34509G4FP | 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PDSO24 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| M34506M4 | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34506M4-XXXFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:4-BIT CISC SINGLE-CHIP MICROCOMPUTER 4500 SERIES |
| M34507E4FP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34507M2-XXXFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:4-BIT CISC SINGLE-CHIP MICROCOMPUTER 4500 SERIES |
| M34507M4-XXXFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
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