SH7720 Datasheet, PDF (87/1524 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

Section 1 Overview
1.3.2 Pin Functions
Table 1.5 lists the pin functions.
Table 1.5 SH7720/SH7721 Pin Functions
Classification Symbol
I/O
Name
Function
Power supply Vcc

Power supply Power supply for the internal
modules and ports for the system.
Connect all Vcc pins to the system
power supply. There will be no
operation if any pins are open.
Vss

Ground
Ground pin. Connect all Vss pins
to the system power supply (0 V).
There will be no operation if any
pins are open.
VccQ

Power supply Power supply for I/O pins. Connect
all VccQ pins to the system power
supply. There will be no operation
if any pins are open.
VssQ

Ground
Ground pin. Connect all VssQ pins
to the system power supply (0 V).
There will be no operation if any
pins are open.
VccQ1

Power supply Input/output power supply
(1.8/3.3 V) pin.
VssQ1

Ground
Input/output power supply (0 V)
pin.
Clock
Vcc_PLL1

PLL1 power
supply
Power supply for the on-chip PLL1
oscillator. (1.5 V)
Vss_PLL1

PLL1 ground
Ground pin for the on-chip PLL1
oscillator.
Vcc_PLL2

PLL2 power
supply
Power supply for the on-chip PLL2
oscillator. (1.5 V)
Vss_PLL2

PLL2 ground
Ground pin for the on-chip PLL2
oscillator.
EXTAL
I
External clock For connection to a crystal
resonator. An external clock signal
may also be input.
Rev. 3.00 Jan. 18, 2008 Page 25 of 1458
REJ09B0033-0300