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型號：	M32185F4VFP
元件分類：	微控制器/微處理器
英文描述：	32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP144
封裝：	20 X 20 MM, 0.50 MM PITCH, PLASTIC, LQFP-144
文件頁數(shù)：	140/1032頁
文件大小：	5750K
代理商：	M32185F4VFP

INTERNAL MEMORY

32185/32186 Group Hardware Manual

Rev.1.10 REJ09B0235-0110 May 15, 07

6.9 Connecting to Serial Programmer (UART Mode)

The diagram below shows an example of a user system configuration which has had a serial programmer con-

nected. After the user system is powered on, the serial programmer writes to the internal flash memory in clock-

asynchronous serial mode (UART mode). No communication problems associated with the oscillator frequency

may occur. If the system uses any pins that are to be connected to a serial programmer, care must be taken to

prevent adverse effects on the system when a serial programmer is connected. Note that the serial programmer

uses the addresses H’0000 0084 through H’0000 008F as an area in which to check the ID for flash memory

protection. If the internal flash memory needs to be protected, set any ID in this area.

P84/SCLKI0/SCLKO0

P87/SCLKI1/SCLKO1

Connect to the VCCE (5 or 3.3 V)

power supply rail

Main power supply

Connect to the

VCCE (5 or 3.3V)

power supply rail

Main power supply

(for reference)

TxD (output)

Mode selection

GND (common)

Flash programmer signals

To system circuit

Set microcomputer

operating conditions

User system board

Connect to the

power supply rail

Note 1: SBI# must be fixed "H" or "L" to ensure that no interrupts will be generated.

Notes: Turn on the power for the user system before writing to the internal flash memory.

If P84-P87 are used in the system circuit, connection to a serial programmer must be taken into consideration.

The pullup/pulldown resistance values of P84, P86, P87, FP and MOD0 must be selected to suit the system design condition.

The typical pullup/pulldown resistance values of P84, P86, P87, FP and MOD0 are 4.7 to 10 K

The status of any other ports that are not shown here will not affect flash memory programming.

Make sure the mode setting pin/power supply voltages do not fluctuate to prevent unintended changes of modes

while rewriting the internal flash memory.

Figure 6.9.1 Pin Connection Diagram (UART Mode)

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