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| 型號(hào)： | M34501M4-XXXFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, MICROCONTROLLER, PDSO20 |
| 封裝： | 5.30 X 12.60 MM, 1.27 MM PITCH, PLASTIC, SOP-20 |
| 文件頁(yè)數(shù)： | 14/116頁(yè) |
| 文件大小： | 859K |
| 代理商： | M34501M4-XXXFP |
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Rev.3.01
2005.02.07
page 110 of 112
REJ03B0104-0301
4501 Group
Table 20 Product of built-in PROM version
PROM size
( 10 bits)
4096 words
RAM size
( 4 bits)
256 words
M34501E4FP
One Time PROM [shipped in blank]
PRSP0020DA-A
BUILT-IN PROM VERSION
In addition to the mask ROM versions, the 4501 Group has the
One Time PROM versions whose PROMs can only be written to
and not be erased.
The built-in PROM version has functions similar to those of the
mask ROM versions, but it has PROM mode that enables writing to
built-in PROM.
Table 20 shows the product of built-in PROM version. Figure 56
shows the pin configurations of built-in PROM versions.
The One Time PROM version has pin-compatibility with the mask
ROM version.
(1) PROM mode
The 4501 Group has a PROM mode in addition to a normal opera-
tion mode. It has a function to serially input/output the command
codes, addresses, and data required for operation (e.g., read and
program) on the built-in PROM using only a few pins. This mode
can be selected by setting pins SDA (serial data input/output),
SCLK (serial clock input), PGM to “H” after connecting wires as
shown in Figure 56 and powering on the VDD pin, and then apply-
ing 12 V to the VPP pin.
In the PROM mode, three types of software commands (read, pro-
gram, and program verify) can be used. Clock-synchronous serial
I/O is used, beginning from the LSB (LSB first).
Use the special-perpose serial programmer when performing serial
read/program.
As for the serial programmer for the single-chip microcomputer (se-
rial programmer and control software), refer to the “Renesas
Microcomputer Development Support Tools” Hompage (http://
www.renesas.com/en/tools).
Fig. 55 Flow of writing and test of the product shipped in blank
ROM type
Package
Part number
(2) Notes on handling
A high-voltage is used for writing. Take care that overvoltage is
not applied. Take care especially at turning on the power.
For the One Time PROM version shipped in blank, Renesas
corp. does not perform PROM writing test and screening in the
assembly process and following processes. In order to improve
reliability after writing, performing writing and test according to
the flow shown in Figure 55 before using is recommended (Prod-
ucts shipped in blank: PROM contents is not written in factory
when shipped).
Writing with PROM programmer
Screening (Leave at 150
°C for 40 hours) (Note)
Verify test with PROM programmer
Function test in target device
Since the screening temperature is higher
than storage temperature, never expose the
microcomputer to 150
°C exceeding 100
hours.
Note:
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M34501E4FP | 4-BIT, OTPROM, MICROCONTROLLER, PDSO20 |
| M34502M2-XXXFP | 4-BIT, MROM, MICROCONTROLLER, PDSO24 |
| M34502M4-XXXFP | 4-BIT, MROM, MICROCONTROLLER, PDSO24 |
| M34506M4-XXXFP | 4-BIT, MROM, MICROCONTROLLER, PDSO20 |
| M34506E4FP | 4-BIT, OTPROM, MICROCONTROLLER, PDSO20 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M34502E4 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34502E4FP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:4-BIT CISC SINGLE-CHIP MICROCOMPUTER 4500 SERIES |
| M34502M2 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34502M2-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34502M4 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
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