stled325 STMicroelectronics, stled325 Datasheet - Page 9

• Manufacturer Part Number: stled325
• Description: I?c Interfaced, Advanced Led Controller/driver With Keyscan, Standby Power Management And Real Time Clock Rtc
• Manufacturer: STMicroelectronics

STLED325
Figure 2.
32.768KHz crystal
Microcontroller or
control sensor
From remote
External
CPU
Application diagram
R
WAKE_UP
VBAT
READY
SDA
IRQ_N
SCL
MUTE
STBY
XOUT
XIN
IR_IN
Doc ID 17576 Rev 1
ISET
(8x2 matrix)
STLED325
Key scan
KEY1-KEY2
SEG1/KS1-
DIG1-DIG4
SEG8/KS8
2
GPIO1
GPIO2
VREG
DIG5
LED 4-digit 7-segment (+dot-point) display panel
4
8
Functional and application diagram
PWR
From sensor/To LED
From sensor/To LED
Connect to external
capacitor
STBY
REC
MUTE
9/62