参数资料
型号: M38D59GC-XXXFP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 6.25 MHz, MICROCONTROLLER, PQFP80
封装: 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80
文件页数: 107/142页
文件大小: 2004K
代理商: M38D59GC-XXXFP
Rev.3.04
May 20, 2008
Page 67 of 134
REJ03B0158-0304
38D5 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 15 lists the pin description (QzROM writing mode) and
Figure 64 and Figure 65 show the pin connections.
Refer to Figure 66 to Figure 69 for examples of a connection
with a serial programmer.
Contact the manufacturer of your serial programmer for serial
programmer. Refer to the user ’s manual of your serial
programmer for details on how to use it.
Table 15
Pin description (QzROM writing mode)
Pin
Name
I/O
Function
VCC, VSS
Power source
Input
Apply 2.7 to 5.5 V to VCC, and 0 V to VSS.
RESET
Reset input
Input
Reset input pin for active “L”. Reset occurs when RESET pin is
held at an “L” level for 16 cycles or more of XIN.
XIN
Clock input
Input
Set the same termination as the single-chip mode.
XOUT
Clock output
Output
VREF
Analog reference
voltage
Input
Input the reference voltage of A/D converter to VREF.
AVSS
Analog power source
Input
Connect AVss to Vss.
P00
P07
P10
P17
P20
P27
P33
P37
P40, P44
P47
P50
P57
P60
P67
P72
P74
I/O port
I/O
Input “H” or “L” level signal or leave the pin open.
P70
, P71
Input port
Input
Input “H” or “L” level signal or leave the pin open.
OSCSEL
VPP input
Input
QzROM programmable power source pin.
P41
ESDA input/output
I/O
Serial data I/O pin.
P42
ESCLK input
Input
Serial clock input pin.
P43
ESPGMB input
Input
Read/program pulse input pin.
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