Lte(Sub) - LG FM300 Service Manual

3.2 LTE(SUB)

3.2.1 LTE Modem (L2000, U201) 3 2 1 LTE Modem (L2000 U201)
The L2000 CPU Subsystem consists of an embedded ARM1136JF-S microprocessor and peripherals, which
supports AMBA AHB bus interface(Main-AHB & Sub-AHB).
The peripherals was included the DMA Controller, DDR Controller, L2000 Modem Subsystem, EPI, P-SPI, SMI,
SRAM Controller, Flash Memory Controller, SDIO, USBs, Crypto C ell, Boot ROM, Internal SRAM by AMBA AHB
bus interface and CPU APB Bridge(AHB2APB) which controls SIM, UART0, UART1, GPIO, Timer(TMU, TMOS),
Watch Dog Timer, I2C, Interrupt Controller, SYSC, CPG, DBG, by AMBA APB bus interface. W t h D Ti I2C I t
LGE Internal Use Only
t C t ll SYSC CPG DBG b AMBA APB b
Figure 3.8 L2000 Functional Block Diagram
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3. TECHNICAL BRIEF
3. TECHNICAL BRIEF
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