[SIM] The maximum transfer rate between "UE" and "SIM card"-优快云博客

本文链接：https://blog.youkuaiyun.com/sandform/article/details/51647896

本文介绍了不同型号的移动设备平台（如MT6573、MT6515等）中，用户设备（UE）与SIM卡之间的最大传输速率设置。包括了各种配置下的传输速度及计算方法。

[SIM] The maximum transfer rate between "UE" and "SIM card"

[Description]

The maximum transfer rate between "UE" and "SIM card".

[Solution]

MT6573:
0x94 -> speed 64 (F = 512, D = 8)
0x95 -> speed 32 (F = 512, D = 16)
The maximum transfer rate between UE and SIM is "SPEED_32".
MT6515/MT6575:
0x94 -> speed 64 (F = 512, D = 8)
0x95 -> speed 32 (F = 512, D = 16)
0x96 -> speed 16 (F = 512, D = 32)
The maximum transfer rate between UE and SIM is "SPEED_16".
MT6517/MT6577:
0x94 -> speed 64 (F = 512, D = 8)
0x95 -> speed 32 (F = 512, D = 16)
0x96 -> speed 16 (F = 512, D = 32)
0x97 -> speed 8 (F = 512, D = 64)
The maximum transfer rate between UE and SIM is "SPEED_8".
MT6589:
0x94 -> speed 64 (F = 512, D = 8)
0x95 -> speed 32 (F = 512, D = 16)
0x96 -> speed 16 (F = 512, D = 32)
0x97 -> speed 8 (F = 512, D = 64)
The maximum transfer rate between UE and SIM is "SPEED_8".
MT6572:
0x94 -> speed 64(F = 512, D = 8)
0x95 -> speed 32 (F = 512, D = 16)
0x96 -> speed 16 (F = 512, D = 32)
0x97 -> speed 8 (F = 512, D = 64)
The maximum transfer rate between UE and SIM is "SPEED_8".
MT6582:
0x94 -> speed 64 (F = 512, D = 8)
0x95 -> speed 32 (F = 512, D = 16)
0x96 -> speed 16 (F = 512, D = 32)
0x97 -> speed 8 (F = 512, D = 64)
The maximum transfer rate between UE and SIM is "SPEED_8".
1etu = F/D * (1/f)
(etu = F/D clock cycle)
E.g.:
MT6589, the maximum transfer rate between UE and SIM is "SPEED_8" and Fi = 512, Di =
64.
calc baudrate: (13M/4)/8 = 406.25Kbit/s = 50.78125Kbyte/s
13M/4: due to SIM clock source is 13M, then set SIM_BRR register SIM_BRR_CLK_Div4(Set
SIMCLK = 13M/4) @ function SIM_Initialize().
Reference spec: "7816-3" 6.5.2.