PC87591E
Description
The National Semiconductor PC87591E, PC87591S and PC87591L are highly integrated, embedded controllers with an embedded-RISC core and integrated advanced functions. These devices are targeted for a wide range of portable applications that use the Low Pin Count (LPC) interface.
Key Features
- Processing Unit
- pactRISC CR16B 16-bit embedded RISC processor core (the “core”)
- 2 Mbyte address space Internal Memory
- Up to 128 Kbytes of on-chip flash memory (4 Kbytes of ROM in the PC87591L)
- Supports BIOS (flash) memory sharing with PC host
- On-chip flash is field upgradable by host, CR16B, parallel interface or JTAG
- Boot blocks for both CR16B and Host Code
- Memory contents protection and security
- Hardware-prot
