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MFG:HITCHIA D/C:00+
Part Number: HD404849
MFG: HITCHIA
D/C: 00+
Description: The HD404849 series of HMCS400-series microcomputers is designed to increase program productivity and also incorporate ...
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HD404849
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DataSheet
General Description
HD404849 General Description
The HD404849 series of HMCS400-series microcomputers is designed to increase program productivity and also incorporate large-capacity memory. Each microcomputer has an LCD controller/driver, A/D converter, input capture circuit, 32-kHz oscillator for clock use, and four low-power dissipation modes.
The HD404849 series includes the HD404848 with an 8-kword on-chip ROM, the HD4048412 with a 12-kword on-chip ROM, the HD404849 with a 16-kword on-chip ROM, and the HD4074849 with a 16-kword on-chip PROM.
On-chip ROM is available in a PROM (ZTATä microcomputer) version and a mask ROM version. A program can be written to the PROM by a PROM writer, which can dramatically shorten system development periods and smooth the process from debugging to mass production. PROM programming specifications are the same as for the 27256.
ZTATM: Zero Turn Around Time ZTAT is a trademark of Hitachi Ltd.
HD404849 Maximum Ratings
| Item | Symbol | Ratings | Unit | Notes |
| Supply voltage | VCC | 0.3 to +7.0 | V | |
| Programming voltage | VPP | 0.3 to +14.0 | V | 1 |
| Pin voltage | VT | 0.3 to VCC + 0.3 | V | |
| Total permissible input current | Io | 100 | mA | 2 |
| Total permissible output current | -Io | 50 | mA | 3 |
| Maximum input current | Io | 4 | mA | 4,5 |
| 30 | mA | 4,6 | ||
| Maximum output current | Io | 4 | mA | 7,8 |
| Operating temperature | Topr | 20 to +75 | °C | |
| Storage temperature | Tstg | 55 to +125 | °C |
HD404849 Features
· 35 I/O pins, including nine high-current pins (15 mA, max.), eight pins multiplexed with LCD segment pins, and four pins multiplexed with analog input pins
· Four timer/counters
· Eight-bit input capture circuit
· Three timer outputs (including two PWM outputs)
· Two event counter inputs (including one in which the detection edge is programmable)
· Clock-synchronous 8-bit serial interface
· A/D converter (8 channels ×8 bits) Operation voltage 2.7 V to 6.0 V
· LCD driver (32 segments×4 commons)
· Built-in oscillators Main clock: Can be driven by ceramic oscillator, crystal oscillator, or external clock. Subclock: 32.768-kHz crystal
· Ten interrupt sources Four by external sources, including two in which the detection edge is programmable Six by internal sources
· Subroutine stack up to 16 levels, including interrupts
· Four low-power dissipation modes Standby mode Stop mode Watch mode Subactive mode
· One external input for transition from stop mode to active mode
· Instruction cycle time: 0.89 ms (fOSC = 4.5 MHz)
· Operation voltage VCC = 2.7 V to 6.0 V (subactive mode: 2.2 V to 6.0 V) (HD404848, HD404849) VCC = 2.7 V to 5.5 V (HD4074849)
· Two operating modes MCU mode (HD404848, HD4048412, HD404849) MCU/PROM mode (HD4074849 only)
HD404849 Connection Diagram
HD404849
PDF/DataSheet Download
- Datasheet: HD404849
- File Size: 483275 KB
- Manufacturer: HITACHI [Hitachi Semiconductor]
- Click here to Download
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