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参数资料
| 型号： | M38869FFAHP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 5 MHz, MICROCONTROLLER, PQFP80 |
| 封装： | 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80 |
| 文件页数： | 94/113页 |
| 文件大小： | 1871K |
| 代理商： | M38869FFAHP |
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78
3886 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
q Erase command
Input command code 2016 in the first transfer and command code
2016 again in the second transfer. When this is done, the
M38869FFAHP/GP executes an erase command. Erase is initi-
ated at the last rising edge of the serial clock. The BUSY pin is
driven high during the erase operation. Erase is completed within
9.5 ms as measured by the internal timer, and the BUSY pin is
pulled low. Note that data 0016 must be written to all memory loca-
tions before executing the erase command.
Note: A erase operation is not completed by executing the erase
command once. Always be sure to execute a erase verify
command after executing the erase command. When the fail-
ure is found in the verification, the user must repeatedly ex-
ecute the erase command until the pass in the verification.
Refer to Figure 71 for the erase flowchart.
Fig. 76 Timings at erasing
q Erase verify command
The user must verify the contents of all addresses after complet-
ing the erase command. Input command code A016 in the first
transfer. Proceed and input the low-order 8 bits and the high-order
__
8 bits of the address and pull the OE pin low. When this is done,
the M38869FFAHP/GP reads out the contents of the specified ad-
__
dress, and then latchs it into the internal data latch. When the OE
pin is released back high and serial clock is input to the SCLK pin,
the verify data that has been latched into the data latch is serially
output from the SDA pin.
Note: If any memory location where the contents have not been
erased is found in the erase verify operation, execute the op-
eration of “erase
→ erase verify” over again. In this case,
however, the user does not need to write data 0016 to memory
locations before erasing.
Fig. 77 Timings during erase verify
twE
SCLK
BUSY
OE
SDA
tCH
tEC
00000100
Command code input (2016) Command code input (2016)
Erase
“H”
“L”
SCLK
BUSY
OE
SDA
tCH
A0
A7
A8
A15
D0
D7
tCH
tCREV
Command code input (A016) Verify address input (L)
Verify address input (H)
Verify data output
tWR
Verify read
tRC
Note : When outputting the verify data, the SDA pin is switched for output at the first falling edge of SCLK. The SDA pin is placed
in the floating state during the period of th(C-E) after the last rising edge of SCLK (at the 8th bit).
00000101
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M38869FFAHP#UU | 功能描述:IC 740/3886 MCU FLASH 80LQFP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:740/38000 产品培训模块:CAN Basics Part-1 CAN Basics Part-2 Electromagnetic Noise Reduction Techniques Part 1 M16C Product Overview Part 1 M16C Product Overview Part 2 标准包装:1 系列:M16C™ M32C/80/87 核心处理器:M32C/80 芯体尺寸:16/32-位 速度:32MHz 连通性:EBI/EMI，I²C，IEBus，IrDA，SIO，UART/USART 外围设备:DMA，POR，PWM，WDT 输入/输出数:121 程序存储器容量:384KB（384K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:24K x 8 电压 - 电源 (Vcc/Vdd):3 V ~ 5.5 V 数据转换器:A/D 34x10b，D/A 2x8b 振荡器型:内部 工作温度:-20°C ~ 85°C 封装/外壳:144-LQFP 包装:托盘 产品目录页面:749 (CN2011-ZH PDF) 配用:R0K330879S001BE-ND - KIT DEV RSK M32C/87 |
| M38869FF-XXXHP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38869M1-XXXHP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38869M2-XXXHP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38869M3-XXXHP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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