Si4840-DEMO Silicon Labs, Si4840-DEMO Datasheet - Page 18

• Manufacturer Part Number: Si4840-DEMO
• Description: RF Development Tools Si4840 Demo and Eval Board
• Manufacturer: Silicon Labs

Specifications of Si4840-DEMO

• Rohs: yes

Si4840/44-DEMO
18
XTALI [1]
Figure 6. Si4840/44 DEMO Board Rev. 1.3 Schematic – MCU Portion (1 of 2)
VCC
C32
22p
C35
22p
C37
0.1u
VCC
C41
0.1u
LCD_C1 [2]
LCD_C2 [2]
VCC
32.768KHz
RESET
Y2
S1
C40
0.1u
R1
1M
C42
0.1u
C44
C38
0.1u
0.1u
R2
1M
FM
MW SW
10
11
1
2
3
4
5
6
7
8
9
U3
BAK
XIN
XOUT
GND
VDD1
VDD2
VDD3
CUP1
CUP2
COM1
COM2
IRQ [1]
Q3
2N3906
MCU
Rev 0.1
SLEEP
Tuning indicator
D1
SEG27/IOA4
SEG26/IOA3
SEG25/IOA2
SEG24/IOA1
SEG12(K12)
SEG11(K11)
SEG10(K10)
SEG9(K9)
MHz
KHz
MHz
PM
SEG23
SEG22
SEG21
200R
R24
33
32
31
30
29
28
27
26
25
24
23
LCD1
[1]
[1]
[2]
[2]
[2]
[2]
[2]
[2]
[2]
[1]
RESET
SDIO
LCD_S12
LCD_S11
LCD_S10
LCD_S9
LCD_S8
LCD_S7
LCD_S6
SCLK