Pin No.
FP-80A, CP-84,
TFP-80C CG-84
Type
Symbol
I/O Name and Function
A/D and D/A
converters
AVCC
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 AVCC
to the system power supply.
AVSS
FVPP
38
7
51
18
I
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]
Programming power supply for on-
board programming: Connect to a
flash memory programming power
supply (+12 V).
I2C bus interface SCL
(option)
80
13
11
25
I/O I2C clock I/O: Input/output pin for I2C
clock. Features a bus drive function.
I/O I2C data I/O: Input/output pin for I2C
(H8/3337 Series
SDA
only)
data. Features a bus drive function.
I/O ports
P17 to P10 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).
P27 to P20 48 to 55 61 to 63, I/O Port 2: An 8-bit input/output port with
65 to 69
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).
P37 to P30 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).
P47 to P40 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).
P52 to P50 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).
23
RENESAS [ RENESAS TECHNOLOGY CORP ]
