Home > Reports and Subscriptions > Investigative Analysis > Looking at the new Apple iPods > Apple iPod Touch Teardown
The Apple iPod Touch features numerous upgrades to its predecessor – the biggest of which is the switch to the Apple-designed (and Samsung manufactured) A4 processor. The A4 is quickly becoming Apple’s go-to processor and many are speculating if the A4 will replace processors in other Apple products like upcoming Macbooks or desktop computers.
The new iPod Touch offers many features from the iPhone 4, including the use of the same ST Microelectronics digital accelerometer (LIS331DLH) and gyroscope (L3G4200D). The same power management unit from the iPhone 4 and the Apple TV is found within the new Touch. Dialog gets another design win for the ‘Ashley’ D1815A PMU.
Also of note on the main board is the use of two Toshiba TH58NVG6D2FLA49 32 Gb NAND Flash memory devices. This same memory component was also found within the Apple TV. Much like the Apple Nano, the Cirrus Logic CLI1544C0 Audio Codec makes an appearance as well.
Take a look inside for all of the major components. For board images, look on the sidebar.
With its use in the new Apple iPod Touch, Apple continues to leverage the A4 processor for numerous applications, which began with the iPad and the iPhone. This is a processor that is Apple is intent on making suitable for all consumer electronics applications.
The L3G4200D gyroscope was first introduced in the iPhone 4 to provide added functionality to the device and introduce and encourage a variety of software applications. With its use in the new iPod Touch, Apple is encouraging developers to continue designing Apps that take advantage of this unique MEMS sensor and giving its customers more variety in the Apps they can purchase.
Speaking of ‘go-to’ companies for Apple, this Dialog PMU, codenamed ‘ASHLEY’ is a repeat performer in Apple devices, finding a home in the Apple TV, iPhone 4 and the iPad.
This part was marked with Apple #338S0859 but was marked with 338S0867 for the iPad and with Apple part number of 338S0805 for the iPhone 4.
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