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參數(shù)資料
| 型號： | M38039M4L-XXXKP |
| 廠商： | Renesas Technology Corp. |
| 英文描述： | 9-Mbit (256K x 36/512K x 18) Flow-Through SRAM; Architecture: Standard Sync, Flow-through; Density: 9 Mb; Organization: 256Kb x 36; Vcc (V): 3.1 to 3.6 V |
| 中文描述： | 單芯片8位CMOS微機(jī) |
| 文件頁數(shù)： | 81/119頁 |
| 文件大?。?/td> | 1575K |
| 代理商： | M38039M4L-XXXKP |
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Rev.1.00
REJ03B0212-0100
Apr 2, 2007
Page 81 of 117
3803 Group (Spec.L)
Standard serial I/O Mode
The standard serial I/O mode inputs and outputs the software
commands, addresses and data needed to operate (read, program,
erase, etc.) the internal flash memory. This I/O is clock
synchronized serial. This mode requires a purpose-specific
peripheral unit.
The standard serial I/O mode is different from the parallel I/O
mode in that the CPU controls flash memory rewrite (uses the
CPU rewrite mode), rewrite data input and so forth. The standard
serial I/O mode is started by connecting “H” to the CNV
SS
pin
and “H” to the P4
5
(BOOTENT) pin, and releasing the reset
operation. (In the ordinary microcomputer mode, set CNV
SS
pin
to “L” level.) This control program is written in the Boot ROM
area when the product is shipped from Renesas. Accordingly,
make note of the fact that the standard serial I/O mode cannot be
used if the Boot ROM area is rewritten in parallel I/O mode. The
standard serial I/ O mode has standard serial I/O mode 1 of the
clock synchronous serial and standard serial I/O mode 2 of the
clock asynchronous serial. Table 14 and 15 show description of
pin function (standard serial I/O mode). Figure 77 to 80 show the
pin connections for the standard serial I/O mode.
In standard serial I/O mode, only the User ROM area shown in
Figure 67 can be rewritten. The Boot ROM area cannot be
written.
In standard serial I/O mode, a 7-byte ID code is used. When there
is data in the flash memory, this function determines whether the
ID code sent from the peripheral unit (programmer) and those
written in the flash memory match. The commands sent from the
peripheral unit (programmer) are not accepted unless the ID code
matches.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M38039M4L-XXXSP | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38039M4L-XXXWG | 9-Mbit (256K x 36/512K x 18) Flow-Through SRAM; Architecture: Standard Sync, Flow-through; Density: 9 Mb; Organization: 256Kb x 36; Vcc (V): 3.1 to 3.6 V |
| M38039M4-XXXHP | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38039M4-XXXKP | 9-Mbit (256K x 36/512K x 18) Flow-Through SRAM; Architecture: Standard Sync, Flow-through; Density: 9 Mb; Organization: 256Kb x 36; Vcc (V): 3.1 to 3.6 V |
| M38039M4-XXXSP | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M38049FFFP#U0 | 制造商:Renesas Electronics Corporation 功能描述: |
| M38049FFLHP#U0 | 制造商:Renesas Electronics Corporation 功能描述: |
| M38049RLSS | 功能描述:DEV EMULATOR CHIP RAM 2KB 64SDIP RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 內(nèi)電路編程器、仿真器以及調(diào)試器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 19/Jul/2010 標(biāo)準(zhǔn)包裝:1 系列:* 類型:* 適用于相關(guān)產(chǎn)品:* 所含物品:* |
| M3806 | 功能描述:電纜固定件和配件 LTSCG 625 BLACK RoHS:否 制造商:Heyco 類型:Cable Grips, Liquid Tight 材料:Nylon 顏色:Black 安裝方法:Cable 最大光束直徑:11.4 mm 抗拉強(qiáng)度: |
| M3806 BK001 | 制造商:Alpha Wire Company 功能描述:CBL 8COND 18AWG BLK 1000' |
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