80C51 with extended memory(MX2 series) boot.

Hi, Does the 8051 based Mx2 microcontroller have a possibility to distinguish between a warm boot-up(5V dip) and a cold boot-up(power-on)? If yes, can somebody please tell me which register has this...
80C51 with extended memory(MX2 series) boot.

Hi, Does the 8051 based Mx2 microcontroller have a possibility to distinguish between a warm boot-up(5V dip) and a cold boot-up(power-on)? If yes, can somebody please tell me which register has this...
Off-chip code memory location problems on Philips MX2

I'm currently doing a project on an MX2 based system and I'm having trouble locating my code to the correct location. My memory map is as follows: 512k off-chip RAM at X:000000 64k on-chip ROM...
Off-chip code memory location problems on Philips MX2

I'm currently doing a project on an MX2 based system and I'm having trouble locating my code to the correct location. My memory map is as follows: 512k off-chip RAM at X:000000 64k on-chip ROM...
Serial interrupts on Mx2 chip

Hi This question is about serial interrupts on the 8051 based extended memory chip (P87C51Mx2). The transmit interrupt TI_0 is supposed to be set when a character is written to S0BUF. This is not...