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Section 1 Overview
Rev. 6.00 Sep 12, 2006 page 10 of 526
REJ09B0326-0600
1.3.2 Pin
Functions
Table 1.2 outlines the pin functions of the H8/3644 Group.
Table 1.2
Pin Functions
Pin
No.
Type
Symbol
FP-64A DP-64S TFP-80C I/O
Name and Functions
Power
source pins
V
CC
33 41 42 Input
Power supply:
All V
CC
pins
should be connected to the user
system V
CC
.
V
SS
7 15 8,
11
Input
Ground:
All V
SS
pins should be
connected to the user system
GND.
AV
CC
58 2
72 Input
Analog power supply:
This is
the power supply pin for the A/D
converter. When the A/D
converter is not used, connect
this pin to the user system V
CC
.
AV
SS
3
11 4
Input
Analog ground:
This is the A/D
converter ground pin. It should be
connected to the user system
GND.
Clock pins OSC
1
8
16 9
Input
System clock:
These pins
connect to a crystal or ceramic
resonator, or can be used to input
an external clock.
OSC
2
9
17 10
Output
See section 4, Clock Pulse
Generators, for a typical
connection diagram.
X
1
6 14 7 Input
Subclock:
These pins connect to
a 32.768-kHz crystal resonator.
X
2
5 13 6 Output
See section 4, Clock Pulse
Generators, for a typical
connection diagram.
System
control
RES
10 18 12 Input
Reset:
When this pin is driven
low, the chip is reset
TEST
4 12 5 Input
Test:
This is a test pin, not for
use in application systems. It
should be connected to V
SS
.
Summary of Contents for F-ZTAT H8/3642A Series
Page 6: ...Rev 6 00 Sep 12 2006 page iv of xx ...
Page 8: ...Rev 6 00 Sep 12 2006 page vi of xx ...
Page 22: ...Rev 6 00 Sep 12 2006 page xx of xx ...
Page 124: ...Section 5 Power Down Modes Rev 6 00 Sep 12 2006 page 102 of 526 REJ09B0326 0600 ...
Page 188: ...Section 6 ROM Rev 6 00 Sep 12 2006 page 166 of 526 REJ09B0326 0600 ...
Page 190: ...Section 7 RAM Rev 6 00 Sep 12 2006 page 168 of 526 REJ09B0326 0600 ...
Page 298: ...Section 9 Timers Rev 6 00 Sep 12 2006 page 276 of 526 REJ09B0326 0600 ...
Page 378: ...Section 12 A D Converter Rev 6 00 Sep 12 2006 page 356 of 526 REJ09B0326 0600 ...
Page 446: ...Section 13 Electrical Characteristics Rev 6 00 Sep 12 2006 page 424 of 526 REJ09B0326 0600 ...