HT66F019 datasheet(119/175 Pages) HOLTEK

119 / 175 page

Rev. 1.00

118

De�e��e� 01� �01�

Rev. 1.00

119

De�e��e� 01� �01�

HT66F019

A/D Flash MCU with EEPROM

HT66F019

A/D Flash MCU with EEPROM

SCK (CKPOLB=1)

SCK (CKPOLB=0)

SCS

SDO

SDI Data Captu�e

D�/D0 D6/D1 D5/D� D4/D3 D3/D4 D�/D5

D1/D6 D0/D�

W�ite to SIMD

(SDO �hanges as soon as w�iting o��u�s; SDO is floating if SCS=1)

Note: Fo� SPI slave �ode� if SIMEN=1 and CSEN=0� SPI is always ena�led

and igno�es the SCS level.

SPI Slave Mode Timing – CKEG = 1

Clea� WCOL

W�ite Data

into SIMD

WCOL=1?

T�ans�ission

�o�pleted?

(TRF=1?)

Read Data

f�o� SIMD

Clea� TRF

END

T�ansfe�

finished?

SPI T�ansfe�

Maste� o� Slave

SIMEN=1

Configu�e CKPOLB�

CKEG� CSEN and MLS

SIM[�:0]=000� 001�

010� 011 o� 100

SIM[�:0]=101

Maste�

Slave

SPI Transfer Control Flow Chart

HT66F019 Datasheet(PDF) 119 Page - Holtek Semiconductor Inc

HT66F019 Datasheet(HTML) 119 Page - Holtek Semiconductor Inc

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