Activating chip selects...???

I'm trying to access external devices on a XC161. A0-A19 are active. So are CS0-CS4. ADDRSEL4 is set to 0x0400 (start at 40000h, size 4k) Writing to 0x40000 works but CS0 is activated not CS4 ???...
Activating chip selects...???

I'm trying to access external devices on a XC161. A0-A19 are active. So are CS0-CS4. ADDRSEL4 is set to 0x0400 (start at 40000h, size 4k) Writing to 0x40000 works but CS0 is activated not CS4 ???...
chip select of evaluation board MCBx51

Does anyone knows how to control the chip select(cs) on the evaluation board? IN other words writing to which addresses will render the cs high or low. THanks
chip select of evaluation board MCBx51

Does anyone knows how to control the chip select(cs) on the evaluation board? IN other words writing to which addresses will render the cs high or low. THanks
chip select of evaluation board MCBx51

Does anyone knows how to control the chip select(cs) on the evaluation board? IN other words writing to which addresses will render the cs high or low. THanks