HDM8515 datasheet(47/75 Pages) HYNIX

47 / 75 page

retransmit the HDM8515 slave address, this time with the read/not write bit set to one (read). This

will be acknowledged by the HDM8515, which then assumes the role of slave transmitter and

transmits the requested byte. This byte should be acknowledged by the master receiver. If no

stop condition is generated by the master, the HDM8515 will increment its word address pointer

and transmit the next byte of information. This process is detailed in Figure 25.

SLAVE ADDRESS 0 A

WORD ADDRESS

SLAVE ADDRESS

1 A

DATA BYTE

7 Bits

8 Bits

7 Bits

acknowledgement

from slave

R/W

acknowledgement

from slave

acknowledgement

from slave

acknowledgement

from master

R/W

auto increment

memory word address

DATA BYTE

auto increment

memory word address

acknowledgement

from master

last byte

S: Start Condition

Acknowledge

P: Stop Condition

HDM8515 becomes

slave transmitter

FIGURE 25: I2C READ FROM THE HDM8515

Table 13: I2C Slave Address

I2C_ADD0

I2C_ADD1

I2C_ADD2

I2C Address

0000000

0000011

0001100

0001111

0110000

0110011

0111100

0111111

HDM8515 Datasheet(PDF) 47 Page - Hynix Semiconductor

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