Features: Memory 512 * 4-bit RAM 8 K *8-bit ROM (S3C7238/P7238) 16 K *8-bit ROM (S3C7235/P7235)I/O Pins Input only: 8 pins I/O: 24 pins Output: 8 pins sharing with segment driver outputsLCD Controller/Driver Maximum 16-digit LCD direct drive capability 32 segment, 4 common pins Display mo...
S3P7235: Features: Memory 512 * 4-bit RAM 8 K *8-bit ROM (S3C7238/P7238) 16 K *8-bit ROM (S3C7235/P7235)I/O Pins Input only: 8 pins I/O: 24 pins Output: 8 pins sharing with segment driver outputsLCD Co...
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Parameter |
Symbol |
Conditions |
Rating |
Unit |
Supply voltage |
VDD |
- |
0.3 to +6.5 |
V |
Input voltage |
VI1 |
All I/O ports |
0.3 to VDD + 0.3 | |
Output voltage |
VO |
- |
-0.3 to VDD + 0.3 | |
Output current high |
IOH
|
One I/O pin active |
-15 |
mA
|
All I/O ports active |
35 | |||
Output current low |
IOL |
One I/O pin active | + 30 (Peak value) | |
+ 15 (note) | ||||
Total value for ports 0, 2, 3, and 5 | + 100 (Peak value) | |||
+ 60 (note) | ||||
Total value for ports 4, 6, and 7 | + 100 | |||
+ 60 (note) | ||||
Operating temperature |
TA |
- |
40to + 85 |
|
Storage temperature |
TSTG |
- |
65 to + 150 |
The S3C7238/C7235/S3P7235 single-chip CMOS microcontroller has been designed for high performance using Samsung's newest 4-bit CPU core, SAM47 (Samsung Arrangeable Microcontrollers).
With features such as LCD direct drive capability, 8-bit timer/counter, and serial I/O, the S3C7238/C7235/S3P7235 offer an excellent design solution for a wide variety of applications that require LCD functions.
Up to 40 pins of the 80-pin QFP package can be dedicated to I/O. Six vectored interrupts provide fast response to internal and external events. In addition, the S3C7238/C7235/S3P7235's advanced CMOS technology provides for low power consumption and a wide operating voltage range.