88I9422 Datasheet, PDF (1/2 Pages) –

Marvell 88i9422 Soleil SATA HDD Controller
6Gb/s SATA, Dual ARM On-Chip Processors, Encryption
PRODUCT OVERVIEW
The Marvell® 88i9422 is a high performance, low power HDD controller that is highly flexible, enabling optimization for a wide
variety of storage environments. Advanced read/write channel technology with low density parity check (LDPC) makes Soleil
the best choice for high density drives.
Two integrated ARM Cortex-R4 processors allow independent management of host and servo functions, enhancing overall HDD
performance. A third dedicated secure processor supports AES encryption, protecting user data from unauthorized access.
The 6Gb/s SATA host interface supports Native Command Queuing, T10 CRC checking, and the ATA-8 command set, ensuring
high performance, data integrity, and full compatibility with SATA hosts.
BLOCK DIAGRAM
Preamp
Spindle
6Gb/s x2
Trace
Servo /
Read Channel
Real-Time Trace
AES Encryption
96 KB
ATCM
32 KB
B0TCM
PLL
ARM Cortex ARM Cortex
R4
R4
Host
Servo
4 KB
Shared B1TCM
64 KB
ATCM
32 KB
B0TCM
eMMC
Controller
SATA Controller
6Gb/s SATA
Fig 1. Marvell 88i9422 HDD Controller