How Memory Size of a Socket could be 1KB in W5300

Question

Dear All At page 56, in TMS23R (TX memory size of socket 2/3 register) section of W5300 datasheet version 1.1.1 the memory sizes of socket 2 and 3 are given like an example below SOCKET2: 1 KB SOCKET3: 20KB But it is written in the datasheet that Total memory size of each socket’s TX Memory should be multiple of 8. Therefore how could we assign 1 and 20 KB which are not multiple of 8?

justinkim · Answer

Hi hammi We recommend that you always refer to the latest version of the datasheet. The picture below is the latest version datasheet. image588×773 77.5 KB The total sum of TSMR0 to 7 must be a multiple of 8. Socket 0: 4KB Socket 1: 16KB Socket 2: 0KB Socket 3: 7KB Socket 4: 1KB Socket 5: 20KB Socket 6: 12KB Socket 7: 12KB 4 + 16 + 0 + 7 + 1 + 20 + 12 + 12 = 72 The total sum is 72, a multiple of 8 and does not exceed 128 KB. Therefore, setting is possible.