SPRUI30H November 2015 – May 2024 DRA745 , DRA746 , DRA750 , DRA756
This section describes the interfacing differences of the GPMC supported memories.
Function | 16-Bit Address/ Data-Multiplexed pSRAM or NOR Flash (1) | OneNAND | 16-Bit NAND | 8-Bit NAND |
---|---|---|---|---|
gpmc_a[27] | A27 | |||
gpmc_a[26] | ||||
gpmc_a[25] | ||||
gpmc_a[24] | ||||
gpmc_a[23] | ||||
gpmc_a[22] | ||||
gpmc_a[21] | ||||
gpmc_a[20] | ||||
gpmc_a[19] | ||||
gpmc_a[18] | ||||
gpmc_a[17] | ||||
gpmc_a[16] | ||||
gpmc_a[15] | ||||
gpmc_a[14] | ||||
gpmc_a[13] | ||||
gpmc_a[12] | ||||
gpmc_a[11] | ||||
gpmc_a[10] | A26 | |||
gpmc_a[9] | A25 | |||
gpmc_a[8] | A24 | |||
gpmc_a[7] | A23 | |||
gpmc_a[6] | A22 | |||
gpmc_a[5] | A21 | |||
gpmc_a[4] | A20 | |||
gpmc_a[3] | A19 | |||
gpmc_a[2] | A18 | |||
gpmc_a[1] | A17 | |||
gpmc_a[0] | A16 | |||
gpmc_ad[15] | D15 or A16 | IO15 | ||
gpmc_ad[14] | D14 or A15 | IO14 | ||
gpmc_ad[13] | D13 or A14 | IO13 | ||
gpmc_ad[12] | D12 or A13 | IO12 | ||
gpmc_ad[11] | D11 or A12 | IO11 | ||
gpmc_ad[10] | D10 or A11 | IO10 | ||
gpmc_ad[9] | D9 or A10 | IO9 | ||
gpmc_ad[8] | D8 or A9 | IO8 | ||
gpmc_ad[7] | D7 or A8 | IO7 | ||
gpmc_ad[6] | D6 or A7 | IO6 | ||
gpmc_ad[5] | D5 or A6 | IO5 | ||
gpmc_ad[4] | D4 or A5 | IO4 | ||
gpmc_ad[3] | D3 or A4 | IO3 | ||
gpmc_ad[2] | D2 or A3 | IO2 | ||
gpmc_ad[1] | D1 or A2 | IO1 | ||
gpmc_ad[0] | D0 or A1 | IO0 | ||
gpmc_clk | CLK | |||
gpmc_cs0 | nCS0 (chip-select) | nCE0 (chip-enable) | ||
gpmc_cs1 | nCS1 | nCE1 | ||
gpmc_cs2 | nCS2 | nCE2 | ||
gpmc_cs3 | nCS3 | nCE3 | ||
gpmc_cs4 | nCS4 | nCE4 | ||
gpmc_cs5 | nCS5 | nCE5 | ||
gpmc_cs6 | nCS6 | nCE6 | ||
gpmc_cs7 | nCS7 | nCE7 | ||
gpmc_advn_ale | nADV (address valid) | ALE (address latch enable) | ||
gpmc_oen_ren | nOE (output enable) | nRE (read enable) | ||
gpmc_wen | nWE (Write enable) | nWE (write enable) | ||
gpmc_ben0 | nBE0 (byte enable) | CLE (command latch enable) | ||
gpmc_ben1 | nBE1 | |||
gpmc_wait0 | WAIT0 | R/nB0 (ready/busy) | ||
gpmc_wait1 | WAIT1 | R/nB1 |