Pin Functions - Hitachi H8/3827R Series Hardware Manual

1.3.2

Pin Functions

Table 1.2 outlines the pin functions of the H8/3827R 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
Input power supply pins for the LCD
controller/driver. They incorporate a
power supply split-resistance, and are
normally used with V
Input These pins connect to a crystal or
Output ceramic oscillator, or can be 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
Output 38.4-kHz crystal oscillator.
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.
pins should be
CC
pins should be
SS
and V shorted.
0 1
9