ZHCSSS9A march 2023 – august 2023 AM62A3 , AM62A3-Q1 , AM62A7 , AM62A7-Q1
PRODUCTION DATA
MMC0 interface is compliant with the JEDEC eMMC electrical standard v5.1 (JESD84-B51) and it supports the following eMMC applications:
MMC0 interface is also compliant with the SD Host Controller Standard Specification 4.10 and SD Physical Layer Specification v3.01 as well as SDIO Specification v3.00 and it supports the following SD Card applications:
Table 7-79 presents the required DLL software configuration settings for MMC0 timing modes.
REGISTER NAME | MMCSD0_SS_PHY_CTRL_4_REG | MMCSD0_SS_PHY_CTRL_5_REG | ||||
---|---|---|---|---|---|---|
BIT FIELD | [20] | [15:12] | [8] | [4:0] | [2:0] | |
BIT FIELD NAME | OTAPDLYENA | OTAPDLYSEL | ITAPDLYENA | ITAPDLYSEL | CLKBUFSEL | |
MODE | DESCRIPTION | DELAY ENABLE |
DELAY VALUE |
INPUT DELAY ENABLE |
INPUT DELAY VALUE |
DELAY BUFFER DURATION |
Legacy SDR |
8-bit PHY
operating 1.8 V, 25 MHz |
0x1 | 0x0 | 0x0 | NA(1) | 0x7 |
8-bit PHY
operating 3.3 V, 25 MHz |
0x1 | 0x0 | 0x0 | NA(1) | 0x7 | |
High Speed SDR |
8-bit PHY
operating 1.8 V, 50 MHz |
0x1 | 0x0 | 0x0 | NA(1) | 0x7 |
8-bit PHY
operating 3.3 V, 50 MHz |
0x1 | 0x0 | 0x0 | NA(1) | 0x7 | |
HS200 | 8-bit PHY
operating 1.8 V, 200 MHz |
0x1 | 0x6 | 0x1 | Tuning(2) | 0x7 |
Default Speed |
4-bit PHY operating 3.3 V, 25 MHz |
0x1 | 0x0 | 0x1 | 0x0 | 0x7 |
High Speed |
4-bit PHY
operating 3.3 V, 50 MHz |
0x1 | 0x0 | 0x1 | 0x0 | 0x7 |
UHS-I SDR12 |
4-bit PHY
operating 1.8 V, 25 MHz |
0x1 | 0xF | 0x1 | 0x0 | 0x7 |
UHS-I SDR25 |
4-bit PHY
operating 1.8 V, 50 MHz |
0x1 | 0xF | 0x1 | 0x0 | 0x7 |
UHS-I SDR50 |
4-bit PHY
operating 1.8 V, 100 MHz |
0x1 | 0xC | 0x1 | Tuning(2) | 0x7 |
UHS-I DDR50 |
4-bit PHY
operating 1.8 V, 50 MHz |
0x1 | 0x9 | 0x1 | Tuning(2) | 0x7 |
UHS-I SDR104 |
4-bit PHY operating 1.8, V 200 MHz |
0x1 | 0x6 | 0x1 | Tuning(2) | 0x7 |
Table 7-98 presents timing conditions for MMC0.
PARAMETER | MIN | MAX | UNIT | |||
---|---|---|---|---|---|---|
INPUT CONDITIONS | ||||||
SRI | Input slew rate | Legacy
SDR @ 3.3 V High Speed SDR@ 3.3V Default Speed High Speed |
0.69 | 2.06 | V/ns | |
Legacy
SDR @ 1.8 V UHS-I SDR12 |
0.14 | 1.44 | V/ns | |||
High
Speed SDR @ 1.8 V UHS-I SDR25 |
0.3 | 1.34 | V/ns | |||
UHS-I DDR50 | 1 | 2 | V/ns | |||
OUTPUT CONDITIONS | ||||||
CL | Output load capacitance | HS200 UHS-I SDR104 |
1 | 10 | pF | |
All other modes | 1 | 12 | pF | |||
PCB CONNECTIVITY REQUIREMENTS | ||||||
td(Trace Delay) | Propagation delay of each trace | Legacy SDR High Speed SDR HS200 |
126 | 756 | ps | |
Default Speed High Speed UHS-I SDR12 UHS-I SDR25 UHS-I SDR50 UHS-I SDR104 |
126 | 1386 | ps | |||
UHS-I DDR50 | 239 | 1134 | ps | |||
td(Trace Mismatch Delay) | Propagation delay mismatch across all traces | High Speed SDR HS200 High Speed UHS-I SDR104 |
8 | ps | ||
UHS-I DDR50 | 20 | ps | ||||
All other modes | 100 | ps |