Renesas F-ZTAT H8 Series, Hardware Manual

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1. Overview
Rev.3.00 Jul. 19, 2007 page 20 of 532
REJ09B0397-0300
1.3.2 Pin Functions
Table 1.6 outlines the pin functions of the H8/3857 Group.
Table 1.6 Pin Functions
H8/3857 Group H8/3854 Group
Pin No. Pin No.
Type
Symbol FP-144H
TFP-144
Pad No. FP-100B
TFP-100G
Pad No.
I/O
Name and Functions
Power
source
pins V
CC
34 34 23 23 Input Power supply: All V
CC
pins
should be connected to the
system power supply (+5 V)
V
SS
29, 124 29, 124 19 19-1,
19-2 Input Ground: All V
SS
pins should
be connected to the system
power supply (0 V)
AV
CC
17 17
⎯ ⎯
Input Analog power supply
(H8/3857 Group only):
This
is the power supply pin for
the A/D converter. When the
A/D converter is not used,
connect this pin to the
system power supply (+5 V).
AV
SS
26 26
⎯ ⎯
Input Analog ground (H8/3857
Group only):
This is the
A/D converter ground pin. It
should be connected to the
system power supply (0 V).
Clock
pins OSC
1
31 31 21 21 Input This pin connects to a
crystal or ceramic oscillator.
OSC
2
30 30 20 20 Output See section 4, Clock Pulse
Generators, for a typical
connection diagram.
X
1
28 28 18 18 Input This pin connects to a
32.768-kHz crystal
oscillator, or can be used to
input an external clock.
X
2
27 27 17 17 Output See section 4, Clock Pulse
Generators, for a typical
connection diagram.