Real Time Clock - Xilinx ZC702 User Manual

User applications that communicate with devices on one of the downstream I
first set up a path to the desired bus through the U44 bus switch at I
(0b01110100).
2
Table 1-19: I C Bus Addresses
2
I C Bus
PCA9548 8-Channel bus switch
USRCLK_SDA/SCL
IIC_SDA_HDMI
IIC_EEPROM_SDA/SCL
IIC_PORT_EXPANDER_SDA/SCL
IIC_RTC_SDA/SCL
FMC1_LPC_IIC_SDA/SCL
FMC2_LPC_IIC_SDA/SCL
PMBUS_DATA/CLOCK
Notes:
2
1. This I C address is the binary equivalent of the TI Power Controller PMBus address 52, 53, or 54
which corresponds to 010, 011, and 100 in the lower 3 bits.
Information about the PCA9548 is available on the TI Semiconductor website at

Real Time Clock

[Figure 1-2, callout 15]
The Epson RTC-8564JE is an 1
oscillator with these features
• Frequency output options: 32.768 KHz, 1024 Hz, 32 Hz or 1 Hz
• Calendar output functions: Year, month, day, weekday, hour, minute and second
• Clock counter, alarm and fixed-cycle timer interrupt functions
Programming information for the RTC-8564JE is available in the RTC-8564JE/NB Application
Manual at the Epson Electronics America website
ZC702 Board User Guide
UG850 (v1.3) June 4, 2014
Table 1-19 lists the address for each bus.
2
I C Switch Position
2
C bus interface real-time clock that has a built-in 32.768 KHz
www.xilinx.com
2
I C Address
NA
0b1110100
0
0b1011101
1
0b0111001
2
0b1010100
3
0b0100001
4
0b1010001
5
0bxxxxx00
6
0bxxxxx00
7
0b1010[ADDR]
[Ref 23].
Feature Descriptions
2
C buses must
2
C address 0x74
(1)
[Ref 26].
37
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