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Section 1 Overview
Rev. 4.00 Sep. 14, 2005 Page 18 of 828
REJ09B0023-0400
Table 1.3 lists the pin functions.
Table 1.3
Pin Functions
Classification Symbol I/O
Name
Function
Vcc
I
Power supply
Power supply for the internal LSI.
Connect all Vcc pins to the system.
There will be no operation if any pins
are open.
Vss
I
Ground
Ground pin. Connect all Vss pins to
the system power supply (0V). There
will be no operation if any pins are
open.
VccQ
I
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.
Power supply
VssQ
I
Ground
Ground pin. Connect all VssQ pins to
the system power supply (0V). There
will be no operation if any pins are
open.
Vcc (PLL1)
I
PLL1 power
supply
Power supply for the on-chip PLL1
oscillator
Vss (PLL1)
I
PLL1 ground
Ground pin for the on-chip PLL1
oscillator
Vcc (PLL2)
I
PLL2 power
supply
Power supply for the on-chip PLL2
oscillator
Vcc (PLL2)
I
PLL2 ground
Ground pin for the on-chip PLL2
oscillator
EXTAL
I
External clock
Connected to a crystal resonator.
An external clock signal may also be
input to the EXTAL pin. For
examples of the connection of crystal
resonator or an external clock signal,
see section 4, Clock Pulse
Generator (CPG).
Clock
XTAL
O
Crystal
Connected to a crystal resonator.
For examples of the connection of
crystal resonator or an external clock
signal, see section 4, Clock Pulse
Generator (CPG).
Summary of Contents for HD6417641
Page 2: ...Rev 4 00 Sep 14 2005 Page ii of l...
Page 7: ...Rev 4 00 Sep 14 2005 Page vii of l...
Page 11: ...Rev 4 00 Sep 14 2005 Page xi of l USB Universal serial bus WDT Watch dog timer...
Page 12: ...Rev 4 00 Sep 14 2005 Page xii of l...
Page 28: ...Rev 4 00 Sep 14 2005 Page xxviii of l...
Page 204: ...Section 4 Clock Pulse Generator CPG Rev 4 00 Sep 14 2005 Page 154 of 982 REJ09B0023 0400...
Page 212: ...Section 5 Watchdog Timer WDT Rev 4 00 Sep 14 2005 Page 162 of 982 REJ09B0023 0400...
Page 228: ...Section 6 Power Down Modes Rev 4 00 Sep 14 2005 Page 178 of 982 REJ09B0023 0400...
Page 246: ...Section 8 X Y Memory Rev 4 00 Sep 14 2005 Page 196 of 982 REJ09B0023 0400...
Page 318: ...Section 11 User Break Controller UBC Rev 4 00 Sep 14 2005 Page 268 of 982 REJ09B0023 0400...
Page 454: ...Section 12 Bus State Controller BSC Rev 4 00 Sep 14 2005 Page 404 of 982 REJ09B0023 0400...
Page 504: ...Section 14 U Memory Rev 4 00 Sep 14 2005 Page 454 of 982 REJ09B0023 0400...
Page 566: ...Section 17 Compare Match Timer CMT Rev 4 00 Sep 14 2005 Page 516 of 982 REJ09B0023 0400...
Page 868: ...Section 21 A D Converter Rev 4 00 Sep 14 2005 Page 818 of 982 REJ09B0023 0400...
Page 914: ...Section 23 I O Ports Rev 4 00 Sep 14 2005 Page 864 of 982 REJ09B0023 0400...
Page 956: ...Section 24 List of Registers Rev 4 00 Sep 14 2005 Page 906 of 982 REJ09B0023 0400...
Page 1016: ...Section 25 Electrical Characteristics Rev 4 00 Sep 14 2005 Page 966 of 982 REJ09B0023 0400...
Page 1024: ...Appendix Rev 4 00 Sep 14 2005 Page 974 of 982 REJ09B0023 0400...
Page 1032: ...Rev 4 00 Sep 14 2005 Page 982 of 982 REJ09B0023 0400 X X Y data addressing 52 X Y memory 193...
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