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The HD404829R series incorporates an 8-bit A/D converter (four channels), a Liquid Crystal Display (LCD) and a serial interface, and has large-current Input/Output (I/O) pins. The series is a 4-bit single-chip microcomputer best used in the AV equipment such as CD radio cassette tape recorders which require the LCD display control. The HD404829R Series, with.
• 1,876-digit × 4-bit RAM
• 44 I/O pins, including 10 high-current pins (15 mA, max.) and 20 pins multiplexed with LCD segment pins
• Four timer/counters
• 8-bit input capture circuit
• Three timer outputs (including two PWM out-puts)
• Two event counter inputs (including one double-edge function)
• Clock-synchronous 8-bit serial interface
• A/D converter (4 channels × 8 bits)
• LCD controller/driver (52 segments × 4 commons)
• Built-in oscillators Main clock: 4.2-MHz ceramic (an external clock is also possible) Subclock: 32.768-kHz crystal
• Eleven interrupt sources Five by external sou.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | HD4074818 |
Hitachi Semiconductor |
4-Bit Single-Chip Microcomputer |
|
| 2 | HD4074849 |
Hitachi Semiconductor |
4-Bit Single-Chip Microcomputer |
|
| 3 | HD4074849FS |
Hitachi Semiconductor |
4-Bit Single-Chip Microcomputer |
|
| 4 | HD4074849H |
Hitachi Semiconductor |
4-Bit Single-Chip Microcomputer |
|
| 5 | HD4074849TF |
Hitachi Semiconductor |
4-Bit Single-Chip Microcomputer |
|
| 6 | HD4074889 |
ETC |
Low-Voltage AS Microcomputers with On-Chip LCD Circuit |
|
| 7 | HD4074889H |
ETC |
Low-Voltage AS Microcomputers with On-Chip LCD Circuit |
|
| 8 | HD4074889TE |
ETC |
Low-Voltage AS Microcomputers with On-Chip LCD Circuit |
|
| 9 | HD4074008 |
Hitachi Semiconductor |
Two timer/counters |
|
| 10 | HD4074008C |
Hitachi Semiconductor |
Two timer/counters |
|
| 11 | HD4074008F |
Hitachi Semiconductor |
Two timer/counters |
|
| 12 | HD4074008H |
Hitachi Semiconductor |
Two timer/counters |
|