SIM interface
The AD6522 check status periodically in call mode if SIM card is inserted or not, but the AD6522
don't check in deep sleep mode.
Interface by SIMDATAOP, SIMCLK, SIM_RST(GPIO_23)
Table 3-5.
- 39 -
3. TECHNICAL BRIEF
Key interface
Include 5 column and 5 row. The AD6522 detect key press by interrupt.
Description
SIMDATAOP
This pin receives and sends data to SIM card. This model supports only
3.0 volt interface SIM card.
SIMCLK
Clock 3.25MHz frequency.
SIM_RST(GPIO_23)
Reset SIM block.
Figure 3-24. SIM Interface of AD6522.
ADP3408 interrupt
There are two interrupts EOC and CHARGEDET
EOC: End of Charge. AD6522 makes charging operation stop when high signal is inputted.
CHARGEDET: This pin is activated when the charger is inserted.
Summary of Contents for G3100
Page 32: ... 34 3 TECHNICAL BRIEF Figure 3 20 TX IQ Signal Figure 3 21 RX IQ Signal ...
Page 40: ... 42 Figure 3 26 1 Voice band circuit diagram Headset Hands free kit part 1 3 TECHNICAL BRIEF ...
Page 42: ... 44 Figure 3 27 AD6521 circuit diagram 3 TECHNICAL BRIEF ...
Page 73: ... 75 4 3 8 Receiver RF Level Figure 4 1 Test Points of Rx Level 4 TROUBLE SHOOTING ...
Page 74: ... 76 4 3 9 Transmitter RF Level Figure 4 2 Test Points of Tx Level 4 TROUBLE SHOOTING ...
Page 81: ... 83 The Receiver part Circuit Diagram C203 C207 C206 4 TROUBLE SHOOTING ...
Page 87: ... 89 R202 MIC201 R204 C204 C201 R208 R206 C208 Q203 4 TROUBLE SHOOTING ...
Page 93: ... 95 Test SIM Connector Check J301 4 TROUBLE SHOOTING ...
Page 97: ... 99 J201 R240 C234 L201 R241 4 TROUBLE SHOOTING U205 U203 U204 ...
Page 101: ... 103 CN302 U203 U204 4 TROUBLE SHOOTING ...
Page 102: ... 104 U205 4 TROUBLE SHOOTING ...
Page 117: ... 119 9 PCB LAYOUT 9 1 Rear Part ...
Page 118: ...9 2 Front Part 120 ...
Page 134: ... 137 13 EXPLODED VIEW REPLACEMENT PART LIST 13 1 Exploded View ...