Datasheet

Zynq-7000 All Programmable SoC (Z-7007S, Z-7012S, Z-7014S, Z-7010, Z-7015, and Z-7020)
DS187 (v1.19) October 3, 2016 www.xilinx.com
Product Specification 28
I2C Interfaces
Table 39: I2C Fast Mode Interface Switching Characteristics
(1)
Symbol Description Min Typ Max Units
T
DCI2CFCLK
I2C{0,1}SCL duty cycle – 50 – %
T
I2CFCKO
I2C{0,1}SDAO clock to out delay – – 900 ns
T
I2CFDCK
I2C{0,1}SDAI setup time 100 – – ns
F
I2CFCLK
I2C{0,1}SCL clock frequency – – 400 KHz
Notes:
1. Test conditions: LVCMOS33, slow slew rate, 8 mA drive strength, 15 pF loads.
X-Ref Target - Figure 10
Figure 10: I2C Fast Mode Interface Timing Diagram
Table 40: I2C Standard Mode Interface Switching Characteristics
(1)
Symbol Description Min Typ Max Units
T
DCI2CSCLK
I2C{0,1}SCL duty cycle – 50 – %
T
I2CSCKO
I2C{0,1}SDAO clock to out delay – – 3450 ns
T
I2CSDCK
I2C{0,1}SDAI setup time 250 – – ns
F
I2CSCLK
I2C{0,1}SCL clock frequency – – 100 KHz
Notes:
1. Test conditions: LVCMOS33, slow slew rate, 8 mA drive strength, 15 pF loads.
X-Ref Target - Figure 11
Figure 11: I2C Standard Mode Interface Timing Diagram
T
I2CFCKO
T
I2CFDCK
DS187_08_021013
I2C{0,1}SCL
I2C{0,1}SDAI
I2C{0,1}SDAO
T
I2CSCKO
T
I2CSDCK
DS187_09_021013
I2C{0,1}SCL
I2C{0,1}SDAI
I2C{0,1}SDAO