Pin Functions - Hitachi HD6473867 Hardware Manual

1.3.2 Pin Functions

Table 1-2 outlines the pin functions of the H8/3864 Series.
Table 1-2 Pin Functions
Type Symbol
Power V
CC
source pins CV
CC
V
SS
AV
CC
AV
SS
V
0
V
1
V
2
V
3
Clock pins OSC
1
OSC
2
X
1
X
2
RES
System
control
RESO
Pin No.
FP-80A
TFP-80C FP-80B
32 34
26 28
5 7
27 29
73 75
2 4
31 33
30 32
29 31
28 30
7 9
6 8
3 5
4 6
9 11
20 22
I/O Name and Functions
Input Power supply: All V
connected to the system power supply.
See section 14, Power Supply Circuit.
Input Ground: All V
connected to the system power supply
(0 V).
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 system power
supply.
Input Analog ground: This is the A/D
converter ground pin. It should be
connected to the system power supply
(0V).
Output LCD power supply: These are the
power supply pins for the LCD controller/
Input
driver. They incorporate a power supply
split-resistance, and are normally used
with V and V
0
Input These pins connect to a
crystal or ceramic oscillator, or can be
Output
used to input an external clock.
See section 4, Clock Pulse
Generators, for a typical connection
diagram.
Input These pins connect to a 32.768-kHz
or 38.4-kHz crystal oscillator.
Output
See section 4, Clock Pulse
Generators, for a typical connection
diagram.
Input Reset: When this pin is driven low,
the chip is reset
Output Reset output: Outputs the CPU internal
reset signal.
8
pins should be
CC
pins should be
SS
shorted.
1