Memory Stick Interface; Figure 21-1 Memory Stick Host Controller Simplified Block Diagram - Motorola DragonBall MC9328MX1 Reference Manual

Memory Stick Host Controller (MSHC) Module
Interrupt Request
(MSHC_XINT)
DMA Request
(DMA_REQ [8])
HCLK
Figure 21-1. Memory Stick Host Controller Simplified Block Diagram

21.4 Memory Stick Interface

The MC9328MX1 provides support for the standard Memory Stick interface. Devices that conform to both
the Memory Stick form factor and protocol are supported. Figure 21-2 on page 21-3 shows the interface
signals required by the Memory Stick hardware.
21-2
Host Bus
Interface
Registers FIFO
Interrupt Request
Controller
DMA Request
Controller
Power Save
Controller
SCLK Divider
MC9328MX1 Reference Manual
Bus State
Controller
Transfer Protocol
Controller
Parallel to
Serial
16-Bit
CRC
Serial to
Parallel
SCLKO
Controller
General-Purpose
Inputs
MS_BS
MS_SDIO
MS_SCLKO
MS_PI0
MS_PI1
MS_SCLKI
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