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SH7721 датащи(PDF) 87 Page - Renesas Technology Corp

номер детали SH7721
подробное описание детали  Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
PDF  1524 Pages
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производитель  RENESAS [Renesas Technology Corp]
домашняя страница  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7721 датащи(HTML) 87 Page - Renesas Technology Corp

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Section 1
Overview
Rev. 3.00
Jan. 18, 2008
Page 25 of 1458
REJ09B0033-0300
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
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.
Power supply
VssQ1
Ground
Input/output power supply (0 V)
pin.
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.
Clock
EXTAL
I
External clock
For connection to a crystal
resonator. An external clock signal
may also be input.



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