91
DV-444, DV-440
PE5251A (FLKB ASSY : IC101)
• Mode Control IC
•
Pin Function
No.
Pin Name
I/O
Pin Function
1
VDD1
−
Positive power supply (excepting port, analog and FIP controller/driver section)
2
VSS1
−
Ground (excepting port and analog)
3
X1
I
Connect a crystal for main system clock oscillation
4
X2
−
5
IC
−
Internal connection Connect to Vss1 directly.
6
RESET
I
System reset input
7
P27/SCK1
I/O Port 2 8 bit input/output port / serial clock input/output
8
P26/SI1
I/O
I
Port 2 8 bit input/output port / Serial data input
9
P25/SO1
I/O
O
Port 2 8 bit input/output port / Serial data output
10
P24/BUSY
I/O
I
Port 2 8 bit input/output port / Busy signal input
11
P23
I/O Port 2 8 bit input/output port
12
P22
13
P21/SO3
I/O
O
Port 2 8 bit input/output port / Serial data output
14
P20/SCK3
I/O Port 2 8 bit input/output port / serial clock input/output
15
P00/INTP0
I/O I Port 0 3 bit input/output port / External interrupt request input
16
P01/INTP1
17
P02/TI
I/O I Port 0 3 bit input/output port / Timer input of 8 bit remote control timer (TM9)
18
AVSS
−
Ground of A/D converter
19
ANI3
I
Analog input of A/D converter
20
ANI2
21
ANI1
22
ANI0
23
VSS0
−
Ground of port section
24
AVDD
−
Analog power supply of A/D converter / reference voltage input
25
VDD0
−
Positive power supply of port section
26
P64
I/O Port 6 5-bit high proof pressure input/output ports of P-ch open drain
27
P63
28
P62
29
P61
30
P60
31
P57
I/O Port 5 8-bit high proof pressure input/output ports of P-ch open drain
32
P56
33
P55
34
P54
35
P53
36
P52
37
P51
38
P50
39
P47
O
Port 4 8-bit high proof pressure input/output ports of P-ch open drain
40
P46
Содержание DV-440
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