User manual

TB-7Z-020-EMC Hardware User Manual
26
Rev.1.03
7.10. RTC
The TB-7Z-020-EMC board includes the Epson RX-8564LC RS-232.It is an I2C bus interface real-time
clock that has a built-in 32.768 KHz 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
Device: RX-8564LC
The RTC interface is shown in Figure 7-20.
SCL/SDA
XINT
ZYNQ
XC7Z020-1CLG484
PS Bank501
RTC module
RX-8564LC
(U10)
Figure 7-20 RTC Connection
Table 7-9 RTC I2C Address
Device
Write Address
Read Address
RX-8564LC
1010001
1010001