CSR1001A04-IQQA-R Datasheet, PDF (30/45 Pages) –

7 Example Application Schematic
Battery Terminals
Battery
2*AA
BattN1 BattP1
C2
100u
FB1
VBATT
L1
C3
C4
C5
C6
C7
4u7
47n 33p
2u2
33p
47n
C8
C1
470n
2u2
C10 C11
150n 470n
R1
C13 0R0
NF
Pairing
Switch/Button
Optional Fit
SW2
F1
3 _OUT
C14
NF
IN ¹
GND ²
LFB182G45CL3D264
VBATT
R3
47K
6
WAKE
10 _RF
U1
PIO[2] ⁵²
I2C_SCL
I2C_SDA
53
54
SPI_PIO#_SEL
PIO[5]/SPI_CLK
PIO[6]/SPI_CSB
PIO[7]/SPI_MOSI
50
28
31
34
19 _{PIO[0]/UART_TX}
TP4
2
13
N/C
VDD_XTAL
C15
470n
0 _GND
12
11
9
N/C
N/C
N/C
TP1TP2TP3
Optional Fit
PIO[3]/SF_DOUT
PIO[4]/SF_CSB
PIO[8]/SPI_MISO
PIO[9]
PIO[10]
PIO[11]
PIO[12]
PIO[13]
PIO[14]
PIO[15]
PIO[16]
PIO[17]
PIO[18]
PIO[19]
PIO[20]
PIO[21]
PIO[22]
PIO[23]
PIO[24]
24
25
39
42
45
47
20
22
23
26
27
29
30
32
33
35
37
38
40
PIO[25]
PIO[26]
PIO[27]
PIO[28]
PIO[29]
PIO[30]
PIO[31]
41
43
44
46
48
49
51
X1
X2 16MHz
C16
C17 C18
C19
R2
NF
10p ^32.768kHz 10p 15p
8p2
NF
D1
Production Information
© Cambridge Silicon Radio Limited 2011-2013
C12
1u0
A0
A1
6
5
SCL
SDA
A2
GND
WP
U2
AT24C512BN-SH
1
2
3
4
7
LE_SPI_PIO#_SEL
LE_SPI_CLK
LE_SPI_CSB
LE_SPI_MOSI
LE_SPI_MISO
GND
Enter SPI Debug mode:
SPI_PIO#_SEL pull high, otherwise
PIO[5:8] will be PIO mode
P1
1
2
3
4
5
6
7
8
9
10 _{Keyboard Scan Out}
11
12
13
14
15
16
17
18
19
P2
1
2
3
4
Keyboard Scan In
5
6
7
Headers
Optional Fit
Page 29 of 44
CS-216358-DSP5
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