HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 25

• Manufacturer Part Number: HD6433044
• Description: (HD64 Series) Hitachi Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

1.3.3 Pin Functions
Table 1-3 summarizes the pin functions.
Table 1-3 Pin Functions
Type
Power
Clock
Operating
mode control
Symbol
V
V
XTAL
EXTAL
ø
MD
CC
SS
2
to MD
0
Pin No.
1, 35, 68
11, 22, 44, Input
57, 65, 92
67
66
61
75 to 73
I/O
Input
Input
Input
Output System clock: Supplies the system clock to
Input
10
Name and Function
Power: For connection to the power supply.
Connect all V
supply.
Ground: For connection to ground (0 V).
Connect all V
supply.
For connection to a crystal resonator.
For examples of crystal resonator and external
clock input, see section 19, Clock Pulse
Generator.
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.
external devices.
Mode 2 to mode 0: For setting the operating
mode, as follows. Inputs at these pins must not
be changed during operation.
MD
0
0
0
0
1
1
1
1
2
MD
0
0
1
1
0
0
1
1
1
CC
SS
pins to the system power
pins to the 0-V system power
MD
0
1
0
1
0
1
0
1
0
Operating Mode
—
Mode 1
Mode 2
Mode 3
Mode 4
Mode 5
Mode 6
Mode 7