58
MDS-NT1
Pin No.
Pin Name
I/O
Description
46
EXTAL
I
System clock input terminal (12 MHz)
47
XTAL
O
System clock output terminal (12 MHz)
48
PLLVSS
—
Ground terminal (for OSC)
49
VDEC0
—
Power supply terminal (+3.3V) (for CPU)
50
VSEC0
—
Ground terminal (for CPU)
51
CPUCK
I
Serial data transfer clock input from the system controller
52
CPUSO
O
Serial data output to the system controller
53
CPUSI
I
Serial data input from the system controller
54
VDEC1
—
Power supply terminal (+3.3V) (for CPU)
55
VSEC1
—
Ground terminal (for CPU)
56
CPUXCS
I
Chip select signal input from the system controller
57
CPUINT
O
Interrupt status output to the system controller
58
RESET
I
Reset signal input from the system controller “L”: reset
59
VDEC2
—
Power supply terminal (+3.3V) (for CPU)
60
VSEC2
—
Ground terminal (for CPU)
61
VDC5
—
Power supply terminal (+3.3V)
62
VSC4
—
Ground terminal
63
TEST2
O
Test input terminal Not used
64
TEST3
I
Test input terminal Normally fixed at “L”