參數(shù)資料
型號: M3823AGFHP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP80
封裝: 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80
文件頁數(shù): 51/76頁
文件大?。?/td> 896K
代理商: M3823AGFHP
Rev.2.02
Jun 19, 2007
page 55 of 73
REJ03B0146-0202
3823 Group
QzROM Writing Mode
In the QzROM writing mode, the user ROM area can be rewritten
while the microcomputer is mounted on-board by using a serial
programmer which is applicable for this microcomputer.
Table 13 lists the pin description (QzROM writing mode) and Fig-
ure 58 and Figure 59 show the pin connections.
Refer to Figure 60 and Figure 61 for examples of a connection
with a serial programmer.
Contact the manufacturer of your serial programmer for serial pro-
grammer. Refer to the user’s manual of your serial programmer
for details on how to use it.
Table 13 Pin description (QzROM writing mode)
Apply 1.8 to 5.5 V to VCC, and 0 V to VSS.
Reset input pin for active “L”. Reset occurs when RESET pin is hold at an “L” level
for 16 cycles or more of XIN.
Set the same termination as the single-chip mode.
Input the reference voltage of A/D converter to VREF.
Connect AVss to Vss.
Input “H” or “L” level signal or leave the pin open.
QzROM programmable power source pin.
Serial data I/O pin.
Serial clock input pin.
Read/program pulse input pin.
VCC, VSS
RESET
XIN
XOUT
VREF
AVSS
P00 –P07
P10 –P17
P20 –P27
P34 –P37
P41–P44
P50 –P57
P60 –P67
P40
P44
P42
P43
Power source
Reset input
Clock input
Clock output
Analog reference voltage
Analog power source
I/O port
VPP input
ESDA input/output
ESCLK input
ESPGMB input
Function
Pin
Name
Input
Output
Input
I/O
Input
I/O
Input
I/O
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