Fujitsu MJA2500BH Maintenance Manual - Page 261
Power-on and COMRESET, Power-on sequence
View all Fujitsu MJA2500BH manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 261 highlights
5.5 Power-on and COMRESET 5.5 Power-on and COMRESET Figure 5.20 shows the power-on sequence, and Figure 5.21 shows the COMRESET sequence. Immediately after power-on or COMRESET, the host sets 0x7Fh in the Status field of the Shadow Block Register and 0xFFh in other fields. After the power-on sequence shown below and after communication with the SATA interface is established, the host sets 0xFFh in the Status field of the Shadow Block Register. The device completes the power-on sequence within 10 ms so that communication with the SATA interface can be established. Host power on Host releases ComReset Host power Host off ComReset Host ComWake Host calibrate Host releases ComWake Host Align Host data Host TX (Device RX) Device TX (Host RX) Device power off Device ComInit Device power on Device releases ComInit Device Calibrate Device Align Device ComWake Device data Figure 5.20 Power-on sequence C141-E293 5-187