1.3.2 Pin Functions
Table 1.3 summarizes the pin functions.
Table 1.3 Pin Functions
Type
Power
Symbol
VCC
VSS
Clock
XTAL
EXTAL
φ
Operating MD2 to
mode
MD0
control
Pin No.
FP-100B
TFP-100B FP-100A I/O
Name and Function
1, 35,
68
3, 37,
70
Input
Power: For connection to the power supply.
Connect all VCC pins to the system power
supply.
11, 22,
44, 57,
65, 92
13, 24,
46, 59,
67, 94
Input
Ground: For connection to ground (0 V).
Connect all VSS pins to the 0-V system power
supply.
67
69
Input For connection to a crystal resonator.
For examples of crystal resonator and external
clock input, see section 19, Clock Pulse
Generator.
66
68
Input For connection to a crystal resonator or input
of an external clock signal. For examples of
crystal resonator and external clock input, see
section 19, Clock Pulse Generator.
61
63
Output System clock: Supplies the system clock to
external devices.
75 to 73
77 to 75 Input
Mode 2 to mode 0: For setting the operating
mode, as follows. Inputs at these pins must
not be changed during operation.
MD2 MD1 MD0 Operating Mode
0
0
0
Setting prohibited
0
0
1
Mode 1
0
1
0
Mode 2
0
1
1
Mode 3
1
0
0
Mode 4
1
0
1
Mode 5
1
1
0
Mode 6
1
1
1
Mode 7
10