Texas Instruments AM1808 - Page 22

AM1808
SPRS653E –FEBRUARY 2010–REVISED MARCH 2014 www.ti.com
Table 3-7. External Memory Interface A (EMIFA) Terminal Functions (continued)
SIGNAL
POWER
TYPE
(1)
PULL
(2)
DESCRIPTION
GROUP
(3)
NAME NO.
EMA_A[22] / MMCSD0_CMD /
A10 O CP[18] B
PRU1_R30[30] / GP4[6]
EMA_A[21] / MMCSD0_DAT[0] /
B10 O CP[18] B
PRU1_R30[29] / GP4[5]
EMA_A[20] / MMCSD0_DAT[1] /
A11 O CP[18] B
PRU1_R30[28] / GP4[4]
EMA_A[19] / MMCSD0_DAT[2] /
C10 O CP[18] B
PRU1_R30[27] / GP4[3]
EMA_A[18] / MMCSD0_DAT[3] /
E11 O CP[18] B
PRU1_R30[26] / GP4[2]
EMA_A[17] / MMCSD0_DAT[4] /
B11 O CP[18] B EMIFA address bus
PRU1_R30[25] / GP4[1]
EMA_A[16] / MMCSD0_DAT[5] /
E12 O CP[18] B
PRU1_R30[24] / GP4[0]
EMA_A[15] / MMCSD0_DAT[6] /
C11 O CP[19] B
PRU1_R30[23] / GP5[15] / PRU1_R31[23]
EMA_A[14] / MMCSD0_DAT[7] /
A12 O CP[19] B
PRU1_R30[22] / GP5[14] / PRU1_R31[22]
EMA_A[13] /PRU0_R30[21] / PRU1_R30[21]
D11 O CP[19] B
/ GP5[13] / PRU1_R31[21]
EMA_A[12] / PRU1_R30[20] / GP5[12] /
D13 O CP[19] B
PRU1_R31[20]
EMA_A[11] / PRU1_R30[19] / GP5[11] /
B12 O CP[19] B
PRU1_R31[19]
EMA_A[10] / PRU1_R30[18] / GP5[10] /
C12 O CP[19] B
PRU1_R31[18]
EMA_A[9] / PRU1_R30[17] / GP5[9] D12 O CP[19] B
EMA_A[8] / PRU1_R30[16] / GP5[8] A13 O CP[19] B
EMA_A[7] / PRU1_R30[15] / GP5[7] B13 O CP[20] B
EMIFA address bus
EMA_A[6] / GP5[6] E13 O CP[20] B
EMA_A[5] / GP5[5] C13 O CP[20] B
EMA_A[4] / GP5[4] A14 O CP[20] B
EMA_A[3] / GP5[3] D14 O CP[20] B
EMA_A[2] / GP5[2] B14 O CP[20] B
EMA_A[1] / GP5[1] D15 O CP[20] B
EMA_A[0] / GP5[0] C14 O CP[20] B
EMA_BA[0] / GP2[8] C15 O CP[16] B
EMIFA bank address
EMA_BA[1] / GP2[9] A15 O CP[16] B
EMA_CLK / PRU0_R30[5] / GP2[7] /
B7 O CP[16] B EMIFA clock
PRU0_R31[5]
EMA_SDCKE / PRU0_R30[4] / GP2[6] /
D8 O CP[16] B EMIFA SDRAM clock enable
PRU0_R31[4]
EMA_RAS / PRU0_R30[3] / GP2[5] /
A16 O CP[16] B EMIFA SDRAM row address strobe
PRU0_R31[3]
EMA_CAS / PRU0_R30[2] / GP2[4] /
A9 O CP[16] B EMIFA SDRAM column address strobe
PRU0_R31[2]
EMA_CS[0] / GP2[0] A18 O CP[16] B EMIFA SDRAM Chip Select
EMA_CS[2] / GP3[15] B17 O CP[16] B
EMA_CS[3] / GP3[14] A17 O CP[16] B
EMIFA Async Chip Select
EMA_CS[4] / GP3[13] F9 O CP[16] B
EMA_CS[5] / GP3[12] B16 O CP[16] B
EMA_A_RW / GP3[9] D10 O CP[16] B EMIFA Async Read/Write control
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