Pin
Signal
Destination
No.
Name
System control
PCB
28
A19
CN5-28
System control
PCB
29
A20
CN5-29
System control
PCB
30
+3.3V
CN5-30
System control
PCB
31
—
CN5-31
System control
PCB
32
A21
CN5-32
System control
PCB
33
CE
CN5-33
System control
PCB
34
—
CN5-34
System control
PCB
35
VPP
CN5-35
System control
PCB
36
—
CN5-36
System control
PCB
37
—
CN5-37
System control
PCB
38
—
CN5-38
System control
PCB
39
GND
CN5-39
System control
PCB
40
—
CN5-40
System control
PCB
41
—
CN5-41
4-96
Status
Function
Flash memory address
3.3V
bus signal
0V
Flash memory address
3.3V
bus signal
0V
3.3V
DC+3.3V power supply
0V
—
Flash memory address
3.3V
bus signal
0V
Pulse
Chip select signal
—
Write control voltage input
5V
terminal
Write possible
0V
—
—
—
0V
Ground
—
—
—
—
—
—
—
—
—