HD6432621 Hitachi, HD6432621 Datasheet - Page 62

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

1.3.3
Table 1-4 summarizes the pin functions.
Table 1-4
Type
Power supply
Clock
18
Pin Functions
Pin Functions
Symbol
VCC
PVCC1
PVCC2
PVCC3
PVCC4
VSS
PLLVCC
PLLVSS
PLLCAP
XTAL
EXTAL
OSC1*
OSC2*
ø
1
1
I/O
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Output
Pin Name
Power supply
Port power supply Port power supply pins. Connect all
Port power supply these pins to the same power supply.
Port power supply
Port power supply
Ground
PLL power supply On-chip PLL oscillator power supply
PLL ground
PLL capacitance
Crystal
External clock
Subclock
Subclock
System clock
Function
For connection to the power supply.
Connect all V
power supply.
For connection to the power supply
(0 V). Connect all V
power supply (0 V).
On-chip PLL oscillator ground
On-chip PLL oscillator external
capacitance pin
For connection to a crystal resonator.
For examples of crystal resonator
connection and external clock input, see
section 20, Clock Pulse Generator.
For connection to a crystal resonator.
For examples of crystal resonator
connection and external clock input, see
section 20, Clock Pulse Generator.
For connection to a recommended
32.768 kHz resonator. For examples of
crystal resonator connection, see
section 20, Clock Pulse Generator.
For connection to a recommended
32.768 kHz resonator. For examples of
crystal resonator connection, see
section 20, Clock Pulse Generator.
Supplies the system clock to external
devices.
CC
pins to the system
SS
pins to the system