Rise3501E is the enhanced version of Rise3501. Besides all features in Rise3501, the Rise3501E has additional improvements: QPSK modulation, Forward Error Correction, carrier frequency up to 490 KHz, built-in analog filters, power up/down reset, independent hardware Watchdog, etc.    
 

Compatible with EIA-709.2 and EN50065-1 Standards
One embedded 8-bit microprocessor, capable of running at 60MHz
Modulation Scheme: BPSK, or QPSK
Programmable carrier frequency: 10KHz ~ 490KHz
Programmable data rate: 350 ~ 17Kbps (BPSK), 700~34Kbps (QPSK)
On-chip 64 KB Flash and 10KB SRAM. Dedicated 2KB SRAM as CPU instruction cache memory
Built-in two LDOs, Power On/Down Resets, independent Watch Dog Timer
Built-in analog Band-Pass Filter with center freq. of 132KHz, and Low-Pass Filter with cut-off freq. 154KHz
Built-in Forward Error Correction (FEC) encoder and decoder
Interfaces with off-chip devices (GPIO, UART, SPI, I2C). The UART port is also used for program download into Flash
Three 16-bit timers, and one interrupt input
16 configurable GPIOs (multi-function pins). One PWM output
Dedicated JTAG on-chip debugging port
0.18um eFlash process
48-pin LQFP package
Industrial  Working Temperature: -40℃ ~ +85℃