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HT66F019 Datasheet(PDF) 115 Page - Holtek Semiconductor Inc

Part # HT66F019
Description  A/D Flash MCU with EEPROM
PDF  175 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT66F019 Datasheet(HTML) 115 Page - Holtek Semiconductor Inc

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Rev. 1.00
114
De�e��e� 01� �01�
Rev. 1.00
115
De�e��e� 01� �01�
HT66F019
A/D Flash MCU with EEPROM
HT66F019
A/D Flash MCU with EEPROM
SCK
SPI Maste�
SDO
SDI
SCS
SCK
SPI Slave
SDI
SDO
SCS
SPI Master/Slave Connection
SIMD
TX/RX Shift Registe�
SDI Pin
Clo�k
Edge/Pola�ity
Cont�ol
CKEG
CKPOLB
Clo�k
Sou��e
Sele�t
fSYS
fSUB
PTM CCRP �at�h f�equen�y/�
SCK Pin
CSEN
Busy
Status
SDO Pin
SCS Pin
Data Bus
WCOL
TRF
SIMICF
SPI Block Diagram
SPI Registers
TherearethreeinternalregisterswhichcontroltheoveralloperationoftheSPIinterface.Theseare
theSIMDdataregisterandtworegistersSIMC0andSIMC2.NotethattheSIMC1registerisonly
usedbytheI2Cinterface.
Register
Name
Bit
7
6
5
4
3
2
1
0
SIMC0
SIM�
SIM1
SIM0
—
SIMDEB1 SIMDEB0 SIMEN
SIMICF
SIMC�
D�
D6
CKPOLB
CKEG
MLS
CSEN
WCOL
TRF
SIMD
D�
D6
D5
D4
D3
D�
D1
D0
SPI Register List
• SIMD Register
TheSIMDregisterisusedtostorethedatabeingtransmittedandreceived.Thesameregisterisused
byboththeSPIandI2Cfunctions.BeforethedevicewritesdatatotheSPIbus,theactualdatato
betransmittedmustbeplacedintheSIMDregister.AfterthedataisreceivedfromtheSPIbus,the
devicecanreaditfromtheSIMDregister.AnytransmissionorreceptionofdatafromtheSPIbus
mustbemadeviatheSIMDregister.
Bit
7
6
5
4
3
2
1
0
Na�e
D�
D6
D5
D4
D3
D�
D1
D0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
POR
x
x
x
x
x
x
x
x
"x": unknown



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