HD404612H datasheet(7/91 Pages) RENESAS

Part #	HD404612H

Description	4-Bit Single-Chip Microcomputer

Download	91 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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HD404618 Series

5

Pin Number

FP-80B

FP-80A,

TFP-80

Pin Name

I/O

FP-80B

FP-80A,

TFP-80

Pin Name

I/O

65

63

COM1

O

73

71

TONER

O

66

64

COM2

O

74

72

VT

ref

67

65

COM3

O

75

73

V

CC

68

66

COM4

O

76

74

OSC

1

I

69

67

V

1

77

75

OSC

2

O

70

68

V

2

78

76

RESET

I

71

69

V

3

79

77

D

0

I/O

72

70

TONEC

O

80

78

D

1

I/O

Note: I/O: Input/output pin, I: Input pin, O: Output pin

Pin Functions

Power Supply

V

CC: Apply power voltage to this pin.

GND: Connect to ground.

TEST: Used for test purposes only. Connect it to V

CC.

RESET: Resets the MCU.

Oscillators

OSC

1, OSC2:

Used as pins for the internal oscillator circuit. They can be connected to a ceramic

resonator, or OSC

1 can be connected to an external oscillator circuit.

X1, X2: Used for a 32.768-kHz crystal oscillator that acts as a clock.

Ports

D

0–D13 (D Port):

Input/output port addressable by individual bits. D

0–D9 are I/O pins and D10–D13 are

input pins. D

0–D 9 are high current output pins (15 mA, max.).

D

11–D13 are also available as voltage

comparators.

R0–R3 (R Ports): Input/output ports addressable in 4-bit units. R0

0, R01, R02, R31, R32, and R3 3, are

multiplexed with

SCK, SI, SO, TIMO, INT

0, and INT1, respectively.

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