Different, but similar chip from Microchip

Because the RF functionality isn't of use anymore - I switched the chip to the PIC 18F4525. It is very similar to the old one, but it has a larger user base and more support docs online, as well as more ADC's, I/O ports and memory. Here are the details:

Operating Frequency DC – 40 MHz

Program Memory
49152 Bytes (48K)

Data Memory
3968 Bytes

Data EEPROM Memory
1024 Bytes

Interrupt Sources
20

RAM
3968 Bytes

EEPROM
1024 Bytes

I/O Ports
36

ADC 10-bit
13

MSSP
12C/SPI

USART
1

CCP/ PWM
2

Timers
4

Pins
40

Package
PDIP