HD4048812TE Datasheet PDF - ETC
| Part Number | HD4048812TE | |
| Description | Low-Voltage AS Microcomputers with On-Chip LCD Circuit | |
| Manufacturers | ETC | |
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HD404618 Series
4-Bit Single-Chip Microcomputer
Rev. 6.0
Sept. 1998
Description
The HD404618 Series is designed with the powerful and efficient architecture of the HMCS400 family.
The MCU incorporates a high-precision dual-tone multifrequency (DTMF) circuit, LCD driver/controller,
voltage comparator, and 32-kHz watch oscillator circuit.
The HD404618 Series includes five chips: the HD404612 with 2-kword ROM; the HD404614 with 4-
kword ROM; the HD404616 with 6-kword ROM; the HD404618 with 8-kword ROM; the HD4074618
with 8-kword PROM.
The HD4074618, incorporating PROM, is a ZTAT™ microcomputer that can dramatically shorten system
development periods and smooth the process from debugging to mass production.
ZTAT™ : Zero Turn Around time ZTAT is a trademark of Hitachi Ltd.
Features
• 2048-word × 10-bit ROM (HD404612)
• 4096-word × 10-bit ROM (HD404614)
• 6144-word × 10-bit ROM (HD404616)
• 8192-word × 10-bit ROM (HD404618, HD4074618)
• 1184-digit × 4-bit RAM
• 30 I/O pins
10 high-current output pins
CMOS I/O pin circuit configuration
Input/output pull-up MOS can be selected by software
• On-chip DTMF generator
• LCD controller/driver (32 segments × 4 commons)
• Three timer/counters
• Clock-synchronous 8-bit serial interface
• Six interrupt sources
Two by external sources
Four by internal sources
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Pin Number
Pin Number
FP-80B
FP-80A,
TFP-80
Pin Name I/O FP-80B
65 63
COM1
O 73
66 64
COM2
O 74
67 65
COM3
O 75
68 66
COM4
O 76
69 67
70 68
71 69
72 70
V1
V2
V3
TONEC
77
78
79
O 80
Note: I/O: Input/output pin, I: Input pin, O: Output pin
FP-80A,
TFP-80
71
72
73
74
75
76
77
78
HD404618 Series
Pin Name
TONER
VT ref
VCC
OSC1
OSC2
RESET
D0
D1
I/O
O
I
O
I
I/O
I/O
Pin Functions
Power Supply
VCC: Apply power voltage to this pin.
GND: Connect to ground.
TEST: Used for test purposes only. Connect it to VCC.
RESET: Resets the MCU.
Oscillators
OSC1, OSC2: Used as pins for the internal oscillator circuit. They can be connected to a ceramic
resonator, or OSC1 can be connected to an external oscillator circuit.
X1, X2: Used for a 32.768-kHz crystal oscillator that acts as a clock.
Ports
D0–D13 (D Port): Input/output port addressable by individual bits. D0–D9 are I/O pins and D10–D13 are
input pins. D0–D9 are high current output pins (15 mA, max.). D11–D13 are also available as voltage
comparators.
R0–R3 (R Ports): Input/output ports addressable in 4-bit units. R00, R01, R02, R31, R32, and R33, are
multiplexed with SCK, SI, SO, TIMO, INT0, and INT1, respectively.
5
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| Information | Total 30 Pages | |
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| Download | [ HD4048812TE.PDF Datasheet ] | |
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