Description
PCB For RS232 TTL Converter Module
Product Introduction
The TTL-RS232 module uses the SP3232EEN / MAX3232 chip as the core, which is used to realize the mutual conversion between TTL/CMOS level and RS232 level. It has a wide operating voltage range and is compatible with 3.3V and 5V systems. The TTL/CMOS data input/output terminals have LEDs to indicate the data transmission and reception status.
Features
- Operating voltage: 3.0V ~ 5.5V
- Chip power consumption: 0.3mA (no load, AMB=+25°, VCC=3.3V)
- Maximum baud rate: 235Kbps (RL=3kΩ, CL=1000pF)
- Interface: DB9_female
Pin Function Table
| symbol |
VCC |
GND |
R1OUT |
T1IN |
| describe |
Supply voltage |
land |
Convert RS232 level to TTL level, output TTL level |
Convert TTL level to RS232 level, input TTL level |
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