Key facts
- Brand
- Samsung
- Model
- C72B9
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-04-01
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Samsung S3C72B5/C72B7/C72B9/P72B9 Handbook
The Samsung S3C72B5/C72B7/C72B9/P72B9 series are single‑chip CMOS microcontrollers built around the SAM47 4‑bit CPU core. They provide up to 1,280‑dot LCD direct‑drive capability, multiple timer/counter units, serial I/O, and a rich set of configurable I/O pins for versatile embedded designs.
The handbook details the device architecture, memory organization, register set, clock sources, power‑down modes, and peripheral functions such as LCD driving, comparator, and serial communication, and includes electrical characteristics for both standard and OTP versions.
Samsung C72B9 specifications
| RAM | 3,584 × 4‑bit |
|---|---|
| ROM | 16,384 / 24,576 / 32,768 × 8‑bit |
| I/O Pins | 51 |
| Operating Voltage Range | 5.5 V to 18 V |
| Operating Temperature | 40 °C to 85 °C |
| Package | 128‑pin QFP |
| Main System Clock Frequency | 0.4 MHz to 6 MHz |
| Subsystem Clock Frequency | 32.768 kHz |
| LCD Direct‑Drive Capability | Up to 1,280‑dot LCD |
Source: Samsung S3C72B5/C72B7/C72B9/P72B9 Product Overview Handbook
All Samsung C72B9 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How many I/O pins does the S3C72B5/C72B7/C72B9/P72B9 have?
The device provides 51 I/O pins, of which 47 are configurable and 4 are input‑only.
From: Samsung S3C72B5/C72B7/C72B9/P72B9 Product Overview Handbook
What is the operating voltage range for these microcontrollers?
They operate from 5.5 V up to 18 V.
From: Samsung S3C72B5/C72B7/C72B9/P72B9 Product Overview Handbook
How many I/O pins are available on the S3C72B5/C72B7/C72B9/P72B9?
The device provides 51 I/O pins, of which 47 are configurable and 4 are input‑only.
What is the operating voltage range for these microcontrollers?
They operate from 1.8 V up to 5.5 V.