Pin No.
FP-80A, CP-84,
TFP-80C CG-84
Type
Symbol
I/O Name and Function
Host interface
(HIF) (H8/3337
Series only)
HDB0 to
HDB7
65 to 72 79 to 84, I/O Host interface data bus: 8-bit
1, 3
bidirectional bus by which a host
processor accesses the host interface.
CS1, CS2 76, 79
7, 10
I
Chip select 1 and 2: Input pins for
selecting host interface channels 1 and
2.
IOR
IOW
HA0
GA20
77
78
74
75
8
9
5
6
I
I/O read: Read strobe input pin for the
host interface.
I
I/O write: Write strobe input pin for the
host interface.
I
Command/data: Input pin indicating
data access or command access.
O
O
Gate A20: A20 gate control signal output
pin.
HIRQ1
HIRQ11
HIRQ12
43
42
44
56
55
57
Host interrupts 1, 11, and 12: Output
pins for interrupt request signals to the
host processor.
Keyboard control KEYIN0 to 21 to 28 33 to 40
I
Keyboard input: Input pins from a
matrix keyboard. (Keyboard scan
signals are normally output from P10 to
P17 and P20 to P27, allowing a
maximum 16 × 8 key matrix. The
number of keys can be further
increased by use of other output
ports.)
KEYIN7
Host interface
(if enabled when
STAC bit is 1 in
STCR) (H8/3337
Series only)
ECS2
20
19
32
31
I
I
Host chip select 2: Input pin for
selecting host interface channel 2.
EIOW
I/O write: Write strobe input pin for the
host interface.
A/D converter
AN7 to
AN0
37 to 30 50 to 43
I
Analog input: Analog signal input pins
for the A/D converter.
ADTRG
20
32
I
A/D trigger: External trigger input for
starting the A/D converter.
D/A converter
(H8/3337 Series DA1
only)
DA0
36
37
49
50
O
Analog output: Analog signal output
pins for the D/A converter.
22
RENESAS [ RENESAS TECHNOLOGY CORP ]
