Samsung SCH-i830 Service Manual page 15

2-6-2. MPU & Memory part
MCP(UCP201:LVPXA272FC5520)
¡ Ü ARM Architecture
¡ Ü
Built in Memory Controller, LCD Controller, AC97 Controller and MMC Controller
¡ Ü
Intel® PXA272 processor with 64 Mbytes of Intel StrataFlash® memory
Flash memory is used to store the PDA executable program and necessary data files.
¡ Ü
Clock and Power Controllers
¡ Ü
It has a variety of different system peripherals and controls all the peripheral circuitry.
¡ Ü 13x13mm VFBGA package
NAND FLASH Memory(UME301:MD4832D512)
High capacity: single die - 512Mbit (64MB)
Nand Flash memory is used to user data files.
SDRAM Memory(UME305:K4S51323PF)
Samsung CMOS technology
¡ Ü 64MByte capacity Mobile Synchronous Dynamic RAM.
¡ Ü It is used as a application program execution space, temporary data space to store the internal flag
information, timer data, and user data files.
DPRAM Memory(UME300:IDT70P248L55)
4Kx16bit dual port RAM
¡ Ü It is accessed by Phone and PDA, but not accessed simultaneously.
¡ Ü Generally, Instructions and data used by Phone and PDA are stored.
2-6-3. LCD part
PXA272 has a LCD controller.
LCD module
¡ Ü a transflective type color active matrix TFT
¡ Ü It is composed of a TFT LCD module(TFT LCD panel, driver ICs), a Backlight unit and
a touch screen panel.
¡ Ü The resolution of 2.8inch contains 240x320 pixels and can display 65K colors.
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used with out Samsung's authorization
2-11
Circuit Description