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HT69F360 датащи(PDF) 148 Page - Holtek Semiconductor Inc |
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HT69F360 датащи(HTML) 148 Page - Holtek Semiconductor Inc |
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148 / 235 page ![]() Rev. 1.30 14� �ove��e� 1�� �01� Rev. 1.30 149 �ove��e� 1�� �01� HT69F340/HT69F350/HT69F360 TinyPowerTM I/O Flash MCU with LCD & EEPROM HT69F340/HT69F350/HT69F360 TinyPowerTM I/O Flash MCU with LCD & EEPROM SP I M ast er SP I Sl av e SC K SD O SD I SC S SC K SD I SD O SC S SPI Master/Slave Connection Da ta B us SD I Pi n SD O Pi n SI MD Tx /R x Sh i ft R egi st er Bu sy St at us TR F Fl ag WC OL F la g Cl oc k Ed ge /P ol ar it y Co nt ro l Cl oc k So ur ce S el ec t f SY S f SU B CT M CCRP m at ch fr equenc y/ 2 SC K Pi n SC S Pi n C SEN b it C KEG b it C KPO LB b it SPI Block Diagram SPI Register TherearethreeinternalregisterswhichcontroltheoveralloperationoftheSPIinterface.Theseare theSIMDdataregisterandtworegistersSIMC0andSIMC2. Register Name Bit 7 6 5 4 3 2 1 0 SIMC0 SIM� SIM1 SIM0 — SIMDEB1 SIMDEB0 SIME� SIMICF SIMD D7 D� D5 D4 D3 D� D1 D0 SIMC� D7 D� CKPOLB CKEG MLS CSE� WCOL TRF SPI Registers List TheSIMDregisterisusedtostorethedatabeingtransmittedandreceived.Thesameregisterisused byboththeSPIandI2Cfunctions.BeforethedeviceswritedatatotheSPIbus,theactualdatato betransmittedmustbeplacedintheSIMDregister.AfterthedataisreceivedfromtheSPIbus,the devicecanreaditfromtheSIMDregister.AnytransmissionorreceptionofdatafromtheSPIbus mustbemadeviatheSIMDregister. |
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