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TeleChips TCC8900 - SD&MMC; MS(Memory Stick) Card Selection Mode; Table 9 Ehi Boot Mode Configurations; Table 10 Sd(MMC);Ms Selection

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TCC8900 TCC8900_DEMO_AM_2747_V1.1 July, 31, 2009
Board Guide TCC8900 DEMO BOARD USAGE
Preliminary 2-10
9) Boot from EHI (BM[2:0] - 011, UTXD[1:0] - b)
2.1.1 SD&MMC / MS(memory stick) Card Selection Mode.
위의 TABLE 1 같이 SD(MMC) Card 테스트하고자 경우에는 JP46 1번과 2 핀을
Short시켜서 VDDIOD 인가되도록 Jumper Setting하여 준다.
반대로, MS(memory stick) Card 테스트하고자 경우에는 JP46 2번과 3 핀을 Short
시켜서 Low 상태가 되도록 Jumper Setting한다.
Table 9 EHI Boot Mode Configurations
Pin Value Figure
BM2(JS1) High (1)
BM1(JS2) High (1)
BM0(JS3) Low (0)
UTXD1(JS4) Don’t care
UTXD0(JS5) Don’t care
Table 10 SD(MMC)/MS Selection
SD&MMC / MS Card Selection
SD or MMC MS (memory stick)

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