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參數(shù)資料
| 型號(hào)： | M38C29FFAFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 5 MHz, MICROCONTROLLER, PQFP64 |
| 封裝： | 14 X 14 MM, 0.80 MM PITCH, PLASTIC, LQFP-64 |
| 文件頁(yè)數(shù)： | 73/104頁(yè) |
| 文件大?。?/td> | 1327K |
| 代理商： | M38C29FFAFP |
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Rev.2.00
May 28, 2004
page 68 of 100
38C2 Group (A Version)
(3) Standard serial I/O Mode
The standard serial I/O mode inputs and outputs the software com-
mands, 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 P41 (CE) pin and “H” to the CNVSS
pin (when VCC = 4.5 to 5.5 V, connect to VCC, and when VCC = 3.0 to
4.5 V, apply 4.5 V to 5.5 V to Vpp from an external source), and
releasing the reset operation. (In the ordinary microcomputer mode,
set CNVss pin to “ L”
level.)
This control program is written in the Boot ROM area when the prod-
uct 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. Figure 69 shows the pin connections
for the standard serial I/O mode.
In standard serial I/O mode, serial data I/O uses the four UART2 pins
SCLK2, RxD2, TxD2 and SRDY2 (BUSY). The SCLK2 pin is the transfer
clock input pin through which an external transfer clock is input. The
TxD2 pin is for CMOS output. The SRDY2 (BUSY) pin outputs “L”
level when ready for reception and “ H”
level when reception starts.
Serial data I/O is transferred serially in 8-bit units.
In standard serial I/O mode, only the User ROM area shown in Fig-
ure 61 can be rewritten. The Boot ROM area cannot.
In standard serial I/O mode, a 7-byte ID code is used. When there is
data in the flash memory, commands sent from the peripheral unit
(programmer) are not accepted unless the ID code matches.
Outline Performance (Standard Serial I/O Mode)
In standard serial I/O mode, software commands, addresses and
data are input and output between the MCU and peripheral units
(serial programer, etc.) using 4-wire clock-synchronized serial I/O
(UART2).
In reception, software commands, addresses and program data are
synchronized with the rise of the transfer clock that is input to the
SCLK2 pin, and are then input to the MCU via the RxD2 pin. In trans-
mission, the read data and status are synchronized with the fall of
the transfer clock, and output from the TxD2 pin.
The TxD2 pin is for CMOS output. Transfer is in 8-bit units with LSB
first.
When busy, such as during transmission, reception, erasing or pro-
gram execution, the SRDY2 (BUSY) pin is “H” level. Accordingly, al-
ways start the next transfer after the SRDY2 (BUSY) pin is “ L”
level.
Also, data and status registers in a memory can be read after input-
ting software commands. Status, such as the operating state of the
flash memory or whether a program or erase operation ended suc-
cessfully or not, can be checked by reading the status register. Here
following explains software commands, status registers, etc.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M38C29FFAFP#U0 | 功能描述:IC 740/38C2 MCU FLASH 64LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:740/38000 產(chǎn)品培訓(xùn)模塊:CAN Basics Part-1 CAN Basics Part-2 Electromagnetic Noise Reduction Techniques Part 1 M16C Product Overview Part 1 M16C Product Overview Part 2 標(biāo)準(zhǔn)包裝:1 系列:M16C™ M32C/80/87 核心處理器:M32C/80 芯體尺寸:16/32-位 速度:32MHz 連通性:EBI/EMI，I²C，IEBus，IrDA，SIO，UART/USART 外圍設(shè)備:DMA，POR，PWM，WDT 輸入/輸出數(shù):121 程序存儲(chǔ)器容量:384KB（384K x 8） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:- RAM 容量:24K x 8 電壓 - 電源 (Vcc/Vdd):3 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 34x10b，D/A 2x8b 振蕩器型:內(nèi)部 工作溫度:-20°C ~ 85°C 封裝/外殼:144-LQFP 包裝:托盤 產(chǎn)品目錄頁(yè)面:749 (CN2011-ZH PDF) 配用:R0K330879S001BE-ND - KIT DEV RSK M32C/87 |
| M38C29FFAHP | 制造商:Renesas Electronics Corporation 功能描述:MCU 3/5V 60K 64-LQFP - Trays |
| M38C29FFAHP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 8BIT 740 CISC 60KB FLASH 5V 64LQFP - Trays |
| M38C29FFFP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38C29FFHP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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