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SH7670 Datasheet(PDF) 40 Page - Renesas Technology Corp

Part # SH7670
Description  32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7670 Series
PDF  1292 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7670 Datasheet(HTML) 40 Page - Renesas Technology Corp

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Section 1 Overview
Rev. 1.00 Nov. 14, 2007 Page 14 of 1262
REJ09B0437-0100
1.7
Pin Functions
Table 1.3
Pin Functions
Classification Symbol
I/O Name
Function
Vcc
I
Power supply
Power supply pin for the internal logic
circuit. All the Vcc pins must be
connected to the system power
supply. This LSI does not operate
correctly if there is a pin left open.
Vss
I
Ground
Ground pin. All the Vss pins must be
connected to the system power supply
(0 V). This LSI does not operate
correctly if there is a pin left open.
VccQ
I
Power supply
Power supply pin for I/O pins. All the
VccQ pins must be connected to the
system power supply. This LSI does
not operate correctly if there is a pin
left open.
Power supply
VssQ
I
Ground
Ground pin. All the VssQ pins must be
connected to the system power supply
(0 V). This LSI does not operate
correctly if there is a pin left open.
EXTAL
I
External clock
Pin connected to a crystal resonator.
An external clock signal may also be
input to the EXTAL pin.
XTAL
O
Crystal resonator Pin connected to a crystal resonator
Clock
CKIO
I/O System clock
Pin to supply the system clock to
external devices
MD_BW
I
Mode set
Pin to set the operating mode. Do not
change signal levels on this pin during
operation.
Operating
mode control
MD_CK1,
MD_CK0
I
Clock mode set
Pins to set the clock operating mode.
Do not change signal levels on these
pins during operation.
RES
I
Power-on reset
This LSI enters the power-on reset
state when this signal goes low.
System control
WDTOVF
O
Watchdog timer
overflow
An overflow signal from the WDT is
output on this pin.



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