23
Pin No.
Type
Symbol
FP-80A,
TFP-80C
CP-84,
CG-84
I/O
Name and Function
A/D and D/A
converters
AV
CC
29
42
I
Analog reference voltage:
Reference
voltage pin for the A/D and D/A
converters. If the A/D and D/A
converters are not used, connect AV
CC
to the system power supply.
AV
SS
38
51
I
Analog ground:
Ground pin for the
A/D and D/A converters. Connect to
system ground (0 V).
Flash memory
[H8/3334YF-ZTAT]
[H8/3337YF-ZTAT]
FV
PP
7
18
I
Programming power supply for on-
board programming:
Connect to a
flash memory programming power
supply (+12 V).
I
2
C bus interface
(option)
(H8/3337 Series
only)
SCL
80
11
I/O
I
2
C clock I/O:
Input/output pin for I
2
C
clock. Features a bus drive function.
SDA
13
25
I/O
I
2
C data I/O:
Input/output pin for I
2
C
data. Features a bus drive function.
I/O ports
P1
7
to P1
0
57 to 64
71 to 78
I/O
Port 1:
An 8-bit input/output port with
programmable MOS input pull-ups and
LED driving capability. The direction of
each bit can be selected in the port 1
data direction register (P1DDR).
P2
7
to P2
0
48 to 55
61 to 63,
65 to 69
I/O
Port 2:
An 8-bit input/output port with
programmable MOS input pull-ups and
LED driving capability. The direction of
each bit can be selected in the port 2
data direction register (P2DDR).
P3
7
to P3
0
72 to 65
3, 1,
84 to 79
I/O
Port 3:
An 8-bit input/output port with
programmable MOS input pull-ups.
The direction of each bit can be
selected in the port 3 data direction
register (P3DDR).
P4
7
to P4
0
46 to 39
59 to 52
I/O
Port 4:
An 8-bit input/output port. The
direction of each bit can be selected in
the port 4 data direction register
(P4DDR).
P5
2
to P5
0
9 to 11
20 to 22
I/O
Port 5:
A 3-bit input/output port. The
direction of each bit can be selected in
the port 5 data direction register
(P5DDR).