Datasheet

Analog Integrated Circuit Device Data
Freescale Semiconductor 12
MC34708
Pin Connections
D4 SDWNB O
Indication of imminent system shutdown
F2 GNDSPI GND
Ground for SPI interface
USB
(2)
H3 UID I/O
USB OTG transceiver cable ID
L3 GNDUSB GND
USB Ground
K1 DP I/O
USB Data +
J1 DM I/O
USB Data –
L1 DPLUS I/O
Processor D+
M1 DMINUS I/O
Processor D-
G4 RXD O
UART Receive
G5 TXD I/O
UART Transmit
H7 MIC O
Mic output
J2 SPKR I
Speaker right
K2 SPKL I
Speaker left
H1 VBUS I/O
USB transceiver cable interface VBUS & OTG supply output
H2 VUSB O
USB transceiver regulator output
G3 VINUSB I
Input option for VUSB; tie to SWBST at top level.
A to D Converter
K7 ADIN9 I
ADC generic input channel 9
K6 ADIN10 I
ADC generic input channel 10,
L6 ADIN11 I
ADC generic input channel 11
K4 TSX1/ADIN12 I
Touch Screen Interface X1 or ADC generic input channel 12
L5 TSX2/ADIN13 I
Touch Screen Interface X2 or ADC generic input channel 13
J7 TSY1/ADIN14 I
Touch Screen Interface Y1 or ADC generic input channel 14
J6 TSY2/ADIN15 I
Touch Screen Interface Y2 or ADC generic input channel 15
P1 TSREF O
Touch Screen Reference
N2, N3, N4,
P3, P4
GNDADC GND
Ground for ADC
Thermal Grounds
H5 SUBSREF GND
Substrate ground connection for reference circuitry
E9, F8,F9,
L7, G9, H6,
H8, H9, J8,
J9, K8, K9
SUBSPWR1 GND
Substrate ground connection for power devices SW1, SW4, SW5
K15 SUBSLDO GND Substrate ground connection for all LDOs
N13 SUBSANA1 GND Substrate ground connection for analog circuitry of SW1, SW4, SW5
B15 SUBSANA2 GND Substrate ground connection for analog circuitry of SW2, SW3, SWBST
Table 3. MC34708 Pin Definitions (continued)
Pin Number Pin Name
Pin
Function
Definition