HT37B90/HT37B70/HT37B50/HT37B30 8-Channel Music Synthesizer 8-Bit MCU MCU Note that the HT37B70/HT37B50/HT37B30 devices, although mentioned in this datasheet, have already been phased out and are presently no longer available. Features · Operating voltage: 2.4V~5.5V for HT37B50/30 3.0V~5.5V for HT37B90/70 · Operating frequency: 12.8MHz · Oscillation modes f.
· Operating voltage: 2.4V~5.5V for HT37B50/30 3.0V~5.5V for HT37B90/70
· Operating frequency: 12.8MHz
· Oscillation modes for the oscillator clock
fOSC: crystal (12.8MHz) 1-pin RC oscillation typ. 12.8MHz
· Built-in 8-bit MCU (HT-8) with 640´8 or 1280´8 (HT37B90) bits RAM
· Built-in 64K´16-bits to 512K´16-bits ROM for program/data shared
· Two 8 bit timer and one 16 bit timer
· Watchdog timer
· Power-down and Wake-up features for power saving
operation
· 16-bit table read instructions for any bank/page read
· Support 32 to 40 bidirectional I/O lines
· Integrated 2-ch stereo 16-bit DAC convert.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | HT37B30 |
Holtek Semiconductor |
8-Channel Music Synthesizer 8-Bit MCU MCU | |
2 | HT37B70 |
Holtek Semiconductor |
8-Channel Music Synthesizer 8-Bit MCU MCU | |
3 | HT37B90 |
Holtek Semiconductor |
8-Channel Music Synthesizer 8-Bit MCU MCU | |
4 | HT3786D |
HOTCHIP |
Li-ion Battery Charger | |
5 | HT37A20 |
Holtek Semiconductor |
(HT37A20 - HT37A70) 8-Channel Music Synthesizer MCU | |
6 | HT37A30 |
Holtek Semiconductor |
(HT37A20 - HT37A70) 8-Channel Music Synthesizer MCU | |
7 | HT37A40 |
Holtek Semiconductor |
(HT37A20 - HT37A70) 8-Channel Music Synthesizer MCU | |
8 | HT37A50 |
Holtek Semiconductor |
(HT37A20 - HT37A70) 8-Channel Music Synthesizer MCU | |
9 | HT37A60 |
Holtek Semiconductor |
(HT37A20 - HT37A70) 8-Channel Music Synthesizer MCU | |
10 | HT37A70 |
Holtek Semiconductor |
(HT37A20 - HT37A70) 8-Channel Music Synthesizer MCU | |
11 | HT37Q20 |
Holtek Semiconductor |
(HT37Q20 - HT37Q70) 4-Channel Music Synthesizer MCU | |
12 | HT37Q30 |
Holtek Semiconductor |
(HT37Q20 - HT37Q70) 4-Channel Music Synthesizer MCU |