RB-S22660GD32
User’s Manual
FEBL22660GDRB
4
Figure 4 SAD2-0 lands
3.10. XT1 land, J1 land
XT1 land is used to mount the Ceramic resonator.
When using a ceramic resonator for the clock of Speech Synthesis LSIs, mount the components.
When no component is mounted, Speech Synthesis LSIs operates with built-in RC oscillation.
Figure 5 Ceramic resonator
A typical example of a ceramic resonator that matches XT1 land foot pattern is shown below.
Vendor
Frequency[Hz]
Parts Number
Murata Manufacturing Co., Ltd.
4M
CSTCR4M00G55B-R0
Murata Manufacturing Co., Ltd.
4.096M
CSTCR4M09G55B-R0
J1 land is land connecting the XT pin of speech synthesis LSIs to the 28pin (XT) of CN2.
To use an external clock for Speech Synthesis LSIs clock, connect the pins of the J1 land and input them from the 28pin
(XT) of CN2.
Figure 6 J1 land
3.11. CN1 connector
CN1 connector is used to connect to SDCB3.
Change DVDD or GND to the desired
I2C slave address.
ceramic resonator
Connect the terminals of the J1 lands.
