AST2500芯片数据手册，BMC控制芯片。

Jul. 04, 2014 0.1 Initial draft.

Jan. 22, 2015 0.9 1. Release for chip revision A1.

6. Add Firmware update methods description at Section 1.9.

7. Add Firmware boot up sequence diagram at Section

10.

8. Revise IV11D from 1.1V to 1.15V.

9. Add ESD specification.

10. Revise DACRSET external resistor value to 18KΩ.

Jun. 22, 2015 1.0 1. Add CMOS IO 2.5V/1.8V DC spec.

2. Add feature of PCI-Express Master.

3. Rename power ball T11 from PV33D to MPLLAV33, this power ball

requires isolated power rail with low noise.

8. Add thermal specification at section 3.11.

9. Update firmware programming note at section 9.

10. Update the timing waveform of SGPIO master at section

11. Add verilog example of SGPIO shifter at section 2.6.2.

12. Revise the pull up power of MAC TX strap pins.

13. Revise some values in the power up sequence at section

Oct. 15, 2015 1.1 1. Revise boot up sequence diagram at section 10.

6. Rename ”Graphics Display Controller” to ”SOC Display Controller”.

7. Remove ”Graphics Display Controller” feature on AST2520.

8. Add architecture block diagram of AST2520 at Figure-

Mar. 30, 2016 1.2 1. Release for chip revision A2.

2. Fix eSPI SUART1/SUART2 IRQ number issue.

3. Update chip hardware revision ID at

SCU7C.

May. 18, 2016 1.3 1. Revise ADC DC specification.

2. Add power down sequence for firmware at section

MACD0 and MACD4 at section 16. Please refer document E2500-

01 or Errata List.

3. Relax AC timing rise/fall time specification of RGMII, SPI, and eSPI.

4. Add recommended operating temperature of T

.

Jan. 09, 2017 1.5 1. Add Strap input pins AC timing specification at section

3.10.15.

2. Remove USB portB USB2.0 Device Controller feature. Please refer docu-

ment E2500-02 or

Errata List.

1. Fix eSPI SUART1/SUART2 IRQ number issue, change from 7/8 to 4/3.

1. In Ethernet MAC controller IP, there are totally 8 MAC address filters, the MAC address filter #4 can not

2. In USB port B function – USB2.0 device controller, there is a logic failure on device address identification,