HD6475328-CP10 HITACHI [Hitachi Semiconductor], HD6475328-CP10 Datasheet - Page 41

• Manufacturer Part Number: HD6475328-CP10
• Description: original Hitachi CMOS microcomputer unit (MCU)
• Manufacturer: HITACHI [Hitachi Semiconductor]

Table 1-4 Pin Functions (cont)
Type
Serial com- TXD
munication
interface
signals
A/D
converter
Parallel
I/O
* When A/D converter is not used, AV
connected to GND.
Symbol
RXD
SCK
AN
AV
AV
P1
P2
P3
P4
7
4
7
7
CC
SS
7
– P1
– P2
– P3
– P4
– AN
*
*
0
0
0
0
0
CP-84,
CG-84
80
81
82
73 – 66
74
65
10 – 3
15 – 11
32 – 25
40 – 33
Pin No.
66
67
68
59 – 52
60
51
79 – 72
4 – 1,
80
20 – 13
28 – 21
FP-80A I/O Name and Function
CC
should be connected to V
O
I
I/O Serial Clock: Input/output pin for the
I
I
I
I/O Port 1: An 8-bit input/output port. The
I/O Port 2: A 5-bit input/output port. The
I/O Port 3: An 8-bit input/output port. The
I/O Port 4: An 8-bit input/output port. The
20
Transmit Data: Data output pins for the
serial communication interface.
Receive Data: Data input pins for the
serial communication interface.
serial interface clock.
Analog Input: Analog signal input pins.
Analog Reference Voltage: Reference voltage
and power supply pin for the A/D converter.
Analog Ground: Ground pin for the A/D
converter.
direction of each bit is determined by the port 1
data direction register (P1DDR).
direction of each bit is determined by the port 2
data direction register (P2DDR).
direction of each bit is determined by the port 3
data direction register (P3DDR).
direction of each bit is determined by the port 4
data direction register (P4DDR). These pins
can drive LED indicators.
CC
, and AV
SS
should be