z8f1601 ZiLOG Semiconductor, z8f1601 Datasheet - Page 135

• Manufacturer Part Number: z8f1601
• Description: Z8 Encore!? Microcontroller With Flash Memory And 10-bit A/d Converter
• Manufacturer: ZiLOG Semiconductor

PS017609-0803
4. The I
5. After the first bit has been shifted out, a Transmit interrupt is asserted.
6. Software responds by writing eight bits of address to the I
7. The I
8. The I
9. The I
10. The I
11. Software responds by setting the START bit of the I
12. Software responds by writing 11110B followed by the 2-bit slave address and a 1
13. Software responds by setting the NAK bit of the I
14. After the I
15. The I
16. The I
17. The I
18. The I
19. The I
20. A Receive interrupt is generated.
21. Software responds by reading the I
22. Software responds by setting the STOP bit of the I
23. A NAK condition is sent to the I
24. A STOP condition is sent to the I
register.
high period of SCL.
register.
shifted, the I
repeated START.
(read).
Acknowledge is sent after the first byte of data has been read. If you want to read only
one byte, software responds by setting the NAK bit of the I
sends an acknowledge by pulling the SDA signal Low during the next high period of
SCL.
register.
high period of SCL.
2
2
2
2
2
2
2
2
2
2
C Controller loads the I
C Controller completes shifting of the two address bits and a 0 (write).
C slave sends an acknowledge by pulling the SDA signal Low during the next
C Controller loads the I
C Controller shifts out the next eight bits of address. After the first bits are
C Controller sends the repeated START condition.
C Controller loads the I
C Controller sends
C slave sends an acknowledge by pulling the SDA signal Low during the next
C slave sends a byte of data.
2
C Controller shifts out the address bits mentioned in step 9, the I
2
C Controller generates a Transmit interrupt.
11110B
2
2
2
C Shift register with the contents of the I
C Shift register with the contents of the I
C Shift register with the contents of the I
2
Z8F640x/Z8F480x/Z8F320x/Z8F240x/Z8F160x
2
C slave.
C slave.
followed by the 2-bit slave read and a 1 (read).
2
C Data register.
2
2
C Control register, so that a Not
C Control register.
2
C Control register to generate a
2
C Data register.
2
C Control register.
Z8 Encore!
2
2
2
I2C Controller
C Data
C Data
C Data
2
C slave
®
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