GR2316 / GR2320 Data Sheet
4. Typical Application
+3V
Power Supply
To
Antenna
SPI Interface
PIO[11]
SPI_MOSI
SPI_CLK
A14
B14
C14
D14
E14
F14
G14
H14
J14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
B1
C1
D1
E1
F1
G1
H1
J1
{
{
PIO[10]
PIO[9]
B10
NC
{
PCM_SYNC
PCM_OUT
PCM_IN
C10
NC
C9
NC
C8
NC
Programmable
I/O
PIO[8]
D10
NC
D9
NC
D8
NC
E8
NC
PCM Interface
PIO[7]
PIO[6]
E10
NC
E9
NC
PCM_CLK
F10
NC
F9
NC
F8
NC
FLASH_EN
VDD_MEM0
NC
G10
NC
G9
NC
G8
NC
MIC_N
MIC_P
Microphone
VDD_CORE
VDD_MEM1
VDD_DIG
To Bias Circuit
(See Figure 4-2)
K14
L14
M14
N14
P14
K1
L1
RESET
PIO[5]
2μ2
{
VDD_USB
PIO[4]
PIO[3]
PIO[2]
M1
N1
P1
+3V Power Supply
Programmable
I/O
UART_CTS
UART_RTS
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
UART Interface
2μ2
{
2μ2
Programmable
I/O
+3V
Power
Supply
USB
Interface
Speaker
Programmable
I/O
NOTES:
1. NC = No connection. Do not connect this pin.
2. = Connection to low impedance ground plane
3. The speaker outputs are differential, so must be connected directly across the speaker
terminals or into a differential amplifier to remove the common mode noise.
Figure 4-1: Typical application circuit (bottom view)
32197 - F
May 2006
10 of 17
GENNUM [ GENNUM CORPORATION ]
