FM38DXXSAX - xxFx
Contents
Commands ------------------------------------------------------------------------------------------------------------------------------------------------------------ 107
DESELECT -------------------------------------------------------------------------------------------------------------------------------------------------------- 107
NO OPERATION ------------------------------------------------------------------------------------------------------------------------------------------------- 107
ZQ CALIBRATION LONG ------------------------------------------------------------------------------------------------------------------------------------- 107
ZQ CALIBRATION SHORT ----------------------------------------------------------------------------------------------------------------------------------- 107
ACTIVATE --------------------------------------------------------------------------------------------------------------------------------------------------------- 107
READ ----------------------------------------------------------------------------------------------------------------------------------------------------------------107
WRITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------108
PRECHARGE ----------------------------------------------------------------------------------------------------------------------------------------------------- 109
REFRESH ----------------------------------------------------------------------------------------------------------------------------------------------------------109
SELF REFRESH --------------------------------------------------------------------------------------------------------------------------------------------------110
DLL Disable Mode -----------------------------------------------------------------------------------------------------------------------------------------------111
Input Clock Frequency Change ---------------------------------------------------------------------------------------------------------------------------------115
Write Leveling --------------------------------------------------------------------------------------------------------------------------------------------------------117
Write Leveling Procedure ------------------------------------------------------------------------------------------------------------------------------------ 119
Write Leveling Mode Exit Procedure --------------------------------------------------------------------------------------------------------------------- 121
Initialization ----------------------------------------------------------------------------------------------------------------------------------------------------------- 122
Mode Registers ------------------------------------------------------------------------------------------------------------------------------------------------------ 124
Mode Register 0 (MR0) -------------------------------------------------------------------------------------------------------------------------------------------- 125
Burst Length ------------------------------------------------------------------------------------------------------------------------------------------------------125
Burst Type ---------------------------------------------------------------------------------------------------------------------------------------------------------126
DLL RESET --------------------------------------------------------------------------------------------------------------------------------------------------------127
Write Recovery ---------------------------------------------------------------------------------------------------------------------------------------------------127
Precharge Power-Down (Precharge PD) ---------------------------------------------------------------------------------------------------------------- 128
CAS Latency (CL) -----------------------------------------------------------------------------------------------------------------------------------------------128
Mode Register 1 (MR1) -------------------------------------------------------------------------------------------------------------------------------------------- 129
DLL Enable/DLL Disable --------------------------------------------------------------------------------------------------------------------------------------130
Output Drive Strength -----------------------------------------------------------------------------------------------------------------------------------------130
OUTPUT ENABLE/DISABLE ---------------------------------------------------------------------------------------------------------------------------------130
TDQS Enable ------------------------------------------------------------------------------------------------------------------------------------------------------130
On-Die Termination ---------------------------------------------------------------------------------------------------------------------------------------------130
WRITE LEVELING -----------------------------------------------------------------------------------------------------------------------------------------------131
POSTED CAS ADDITIVE Latency --------------------------------------------------------------------------------------------------------------------------131
Mode Register 2 (MR2) -------------------------------------------------------------------------------------------------------------------------------------------- 132
CAS Write Latency (CWL) ------------------------------------------------------------------------------------------------------------------------------------132
AUTO SELF REFRESH (ASR) -------------------------------------------------------------------------------------------------------------------------------133
SELF REFRESH TEMPERATURE (SRT) -----------------------------------------------------------------------------------------------------------------133
SRT vs. ASR ------------------------------------------------------------------------------------------------------------------------------------------------------ 133
DYNAMIC ODT --------------------------------------------------------------------------------------------------------------------------------------------------- 133
4
Rev. 0.2 Feb. ‘17
5秒后页面跳转
AD637数据手册解读：主要特性、引脚及其功能解读、电气参数
ADUM1201资料手册解读：参数分析、引脚说明、应用分析
一文带你了解压敏电阻器在直流电路中的过压保护作用
可控硅触发板选型指南
微信公众号
抖音公众号
浙公网安备 33010502006866号 浙ICP备10014259号-119
营业执照ICP证
数据手册
如果您发现信息不准确，
