LG F1200 Service Manual page 20

[ DSP Sub-system]
- 0.5Mb Program/Data Memory Extension shared with MCU
The new connectivity peripherals are :
- LCD controller parallel physical interface (6800 & 8080 protocol)
- USB client (W2FC)
- Multi Media and Secure Digital Card (MMC/SD) interface
- Memory Stick (MS) interface (using exclusive with MMC/SD)
- Audio and Data interface for external Bluetooth Modem connection
- Audio Codec serial interface (I2S)
- Smart Card physical interface (ISO-7816)
- NAND-Flash Interface
- Enhanced Keyboard controller
(2) Memory Interface
Calypso-Plus has 6-sizable chip select port and can configure as follow :
In Mbytes
Config #1
Config #2
Config #3
Config #4
F1200 applies configuration #1 as its external memory interface, the external devices are
connected to as follow.
nCS
nCS0
nCS1
nCS2
Table 4. External Device Spec. connected to memory interface
nCS0 nCS1
8 8
8 16
4 8
4 8
Table 3. Configuration of addressable ranges
External Device
32Mbit SRAM
64Mbit SRAM
MIDI (MP3/AAC) Chip
- 19 -
nCS2 nCS3
8 16
16 16
16 32
8 8
nCS
nCS3
nCS4
nCS5
3. TECHNICAL BRIEF
nCS4 nCS5
16 64
32 32
32 32
32 64
External Device
64Mbit NOR Flash
Camera (LCD) control IC
128Mbit NOR Flash