DRV 8301 - Q1 SPI Communication Problem

Dear Sir,

   -  I am using dsPIC micro controller which is interfaced with DRV8301 through SPI communication

  - If i write in CR1 register and read back the value for verification the DRV8301 returns 0x8000

 - Please help what are all the pre conditions required to write CR1 and CR2 Registers in SPI

Before Read/Write into DRV8301 Registers i have followed some pre conditions stated in the Data Sheet

1. EN_GATE :  Status - HIGH

2. SPI SCS  : Status - LOW

3. SPI peripheral Frequency : 500 KHz

4. VDD_SPI : 5V DC

Please suggest me i missed any thing to check or not followed any preconditions

Thanks & Best Regards

Sakthivel