Manual

205
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
22.14 Static Memory Controller (SMC) User Interface
The SMC is programmed using the registers listed in Table 22-9. For each chip select, a set of 4 registers is used to pro-
gram the parameters of the external device connected on it. In Table 22-9, “CS_number” denotes the chip select number.
16 bytes (0x10) are required per chip select.
The user must complete writing the configuration by writing any one of the SMC_MODE registers.
Table 22-9. SMC Register Mapping
Offset Register Name Access Reset State
0x10 x CS_number + 0x00 SMC Setup Register SMC_SETUP Read/Write 0X01010101
0x10 x CS_number + 0x04 SMC Pulse Register SMC_PULSE Read/Write 0X01010101
0x10 x CS_number + 0x08 SMC Cycle Register SMC_CYCLE Read/Write 0X00030003
0x10 x CS_number + 0x0C SMC Mode Register SMC_MODE Read/Write 0X10001000