HT67F60 datasheet(170/242 Pages) HOLTEK

170 / 242 page

Rev. 1.50

170

March 06 , 2012

Rev. 1.50

171

March 06 , 2012

HT67F30/HT67F40/HT67F50/HT67F60

TinyPowerTM A/D Flash Type 8-Bit MCU with LCD & EEPRO

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● I2C Registers

There are three control registers associated with the I2C bus, SIMC0, SIMC1 and SIMA and one

data register, SIMD. The SIMD register, which is shown in the above SPI section, is used to store

the data being transmitted and received on the I2C bus. Before the microcontroller writes data to

the I2C bus, the actual data to be transmitted must be placed in the SIMD register. After the data is

received from the I2C bus, the microcontroller can read it from the SIMD register. Any

transmission or reception of data from the I2C bus must be made via the SIMD register.

Note that the SIMA register also has the name SIMC2 which is used by the SPI function. Bit

SIMEN and bits SIM2~SIM0 in register SIMC0 are used by the I2C interface.

Name

Bit

SIMC0

SIM2

SIM1

SIM0

PCKEN

PCKP1

PCKP0

SIMEN

—

SIMC1

HCF

HAAS

HBB

HTX

TXAK

SRW

IAMWU

RXAK

SIMD

SIMA

IICA6

IICA5

IICA4

IICA3

IICA2

IICA1

IICA0

I2C Registers List

HT67F60 Datasheet(PDF) 170 Page - Holtek Semiconductor Inc

HT67F60 Datasheet(HTML) 170 Page - Holtek Semiconductor Inc

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