Key facts
- Brand
- Samsung
- Model
- P72M9
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-04-01
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Samsung S3C72M5/C72M7/C72M9/P72M9 Preliminary Spec Data Sheet
The S3C72M5/C72M7/C72M9 series is a single‑chip CMOS microcontroller built around Samsung's SAM47 4‑bit CPU core. It offers up to 1,280‑dot LCD direct‑drive capability, a range of timers, serial I/O, and extensive interrupt support, making it suitable for many applications that require LCD functions.
The device is available in a 128‑pin QFP package with up to 51 I/O pins, multiple memory configurations, and both standard ROM and an OTP version (S3P72M9). Power‑down modes, a wide operating voltage range, and detailed clock options provide flexibility for low‑power designs.
Samsung P72M9 specifications
| RAM | 3,584 x 4‑bit |
|---|---|
| ROM | 16,384/24,576/32,768 x 8‑bit |
| I/O Pins | 51 (47 configurable, 4 input) |
| LCD Segments | 80 SEG × 16 COM, 88 SEG × 8 COM |
| Operating Temperature | -40 °C to 85 °C |
| Operating Voltage | 1.8 V to 5.5 V |
| Package | 128‑pin QFP |
| Main System Clock | 0.4 MHz – 6 MHz |
| Subsystem Clock | 32.768 kHz |
| Supply Current (5 V, 6 MHz) | 8.0 mA (typical) |
Source: Samsung S3C72M5/C72M7/C72M9/P72M9 Preliminary Spec Data Sheet
All Samsung P72M9 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What CPU core does the S3C72M5 series use?
It uses Samsung's newest 4‑bit CPU core, called SAM47.
From: Samsung S3C72M5/C72M7/C72M9/P72M9 Preliminary Spec Data Sheet
How many I/O pins are available on the S3C72M5 microcontroller?
The device provides up to 51 I/O pins, with 47 configurable pins and 4 input‑only pins.
From: Samsung S3C72M5/C72M7/C72M9/P72M9 Preliminary Spec Data Sheet
How many I/O pins does the S3C72M5/C72M7/C72M9 provide?
The device provides 51 I/O pins, consisting of 13 ports with 4 input pins and 47 configurable pins.
From: Samsung S3C72M5/C72M7/C72M9/P72M9 Preliminary Spec Datasheet
What is the operating voltage range of the S3C72 series?
The microcontroller operates from 1.8 V up to 5.5 V.
From: Samsung S3C72M5/C72M7/C72M9/P72M9 Preliminary Spec Datasheet