isp1161bm NXP Semiconductors, isp1161bm Datasheet - Page 129

• Manufacturer Part Number: isp1161bm
• Description: Isp1161 Full-speed Universal Serial Bus Single-chip Host And Device Controller
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9397 750 09567
Product data
Fig 65. ISP1161 software model for DSC application.
OS
CONTROL
RISC
LEN
MASS STORAGE CLASS DRIVER
20.3 Typical software model
FILE MANAGEMENT
MECHANISM CONTROL TASK
ROM
RAM
DEVICE DRIVERS
PRINTING CLASS DRIVER
This section shows a typical software requirement for an embedded system that
incorporates ISP1161. The software model for a Digital Still Camera (DSC) is used as
the example for illustration (as shown in
software are required to make full use of the features in ISP1161: the host stack and
the device stack. The device stack provides API directly to the application task for
device function; the host stack provides API for Class driver and device driver, both of
which provide API for application tasks for host function.
PRINTER UI/CONTROL
IMAGE PROCESSING TASKS
ISP1161
HOST STACK
ISP1161 HAL
Rev. 02 — 13 December 2002
Digital Still Camera
FILE TRANSFER
DEVICE STACK
Full-speed USB single-chip host and device controller
USB Downstream
Application
host/device
Figure
layer
driver
Class
stack
USB
65). Two components of system
USB Upstream
© Koninklijke Philips Electronics N.V. 2002. All rights reserved.
ISP1161
Flash card
Reader/
Writer
Printer
MGT980
PC
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