SPRSP85A April 2024 – September 2024 TMS320F28P550SJ , TMS320F28P559SJ-Q1
PRODMIX
Refer to the PDF data sheet for device specific package drawings
All volatile memory (RAM and ROM) on the F28P55x device is 0 Wait-state for both reads and writes, meaning the memory operates at the same speed as SYSCLK. Table 6-7 and Table 6-8 summarize the characteristics of the different RAM instances on the device.
RAM TYPE | SIZE | FETCH TIME(1) (CYCLES) | READ TIME(1) (CYCLES) | STORE TIME (CYCLES) | BUS WIDTH | NUMBER OF BUSES AVAILABLE | NUMBER OF WAIT STATES | BURST ACCESS |
---|---|---|---|---|---|---|---|---|
LS RAM | 64KB | 2 | 2 | 1 | 16/32 bits | 2 | 0 | No |
M0 | 2KB | 2 | 2 | 1 | 16/32 bits | 1 | 0 | No |
M1 | 2KB | 2 | 2 | 1 | 16/32 bits | 1 | 0 | No |
GS RAM | 64KB | 2 | 2 | 1 | 16/32 bits | 3 | 0 | No |
CLA-to-CPU Message RAM | 256B | 2 | 2 | 1 | 16/32 bits | 2 | 0 | No |
CPU-to-CLA Message RAM | 256B | 2 | 2 | 1 | 16/32 bits | 2 | 0 | No |
CLA-to-DMA Message RAM | 256B | 2 | 2 | 1 | 16/32 bits | 3 | 0 | No |
DMA-to-CLA Message RAM | 256B | 2 | 2 | 1 | 16/32 bits | 3 | 0 | No |
RAM TYPE | SIZE | FETCH TIME(1) (CYCLES) | READ TIME(1) (CYCLES) | STORE TIME (CYCLES) | BUS WIDTH | NUMBER OF BUSES AVAILABLE | NUMBER OF WAIT STATES | BURST ACCESS |
---|---|---|---|---|---|---|---|---|
LS RAM | 64KB | 2 | 2 | 1 | 16/32 bits | 2 | 0 | No |
M0 | 2KB | 2 | 2 | 1 | 16/32 bits | 1 | 0 | No |
M1 | 2KB | 2 | 2 | 1 | 16/32 bits | 1 | 0 | No |
GS RAM | 32KB | 2 | 2 | 1 | 16/32 bits | 2 | 0 | No |
CLA-to-CPU Message RAM | 256B | 2 | 2 | 1 | 16/32 bits | 2 | 0 | No |
CPU-to-CLA Message RAM | 256B | 2 | 2 | 1 | 16/32 bits | 2 | 0 | No |
CLA-to-DMA Message RAM | 256B | 2 | 2 | 1 | 16/32 bits | 3 | 0 | No |
DMA-to-CLA Message RAM | 256B | 2 | 2 | 1 | 16/32 bits | 3 | 0 | No |