
P95020 / Preliminary Datasheet
Revision 0.7.10
10
2010 Integrated Device Technology, Inc.
MODULE
PIN #
PIN NAME
DESCRIPTION
I/O TYPE
44
XTALOUT/32KHZ_OUT1
XTALOUT: Output Pin when used with an external crystal
A-O
32KHZ_OUT1: when XTALIN is connected to a 32kHz input this pin can be
a 32kHz Output when CKGEN_PLL_STATUS register, 32KOUT1_EN (bit
4) is set to 1.
45
VDD_CKGEN18
Filter Capacitor for Internal 1.8V CKGEN LDO
A-IO
46
HXTALOUT/TCXO_IN
HXTALOUT: 12 MHz, 13 MHz, 19.2 MHz or 26 MHz crystal oscillator output
TCXO_IN: External 12 MHz, 13 MHz, 19.2 MHz or 26 MHz Clock Input
TCXO-D-I
47
VDD_CKGEN33
Filter Capacitor for Internal 3.3V CKGEN LDO
A-IO
48
HXTALIN/TCXO_OUT1
HXTALIN: 12 MHz, 13 MHz, 19.2 MHz, or 26 MHz crystal oscillator input
TCXO-D-O
TCXO_OUT1: Buffered HXTALOUT/TCXO_IN Clock Output #1, 32.7638
KHz Output, 24 MHz PLL Output
49
TCXO_OUT2
Buffered HXTALOUT/TXCO_IN Clock Output #2, 12 MHz PLL Output,
24MHz PLL Output
TCXO-D-O
50
SYS_CLK
12MHz Output or Buffered Output of TCXO_IN
D-O
51
CKGEN_GND
PLL Analog Ground
GND
52
USB_CLK
24 MHz or 48 MHz Output
D-O
53
VDDIO_CK
Power Supply Input for TCXO_OUT1 and TCXO_OUT2 (1.1V
– 1.9V)
AP-I
I2C_I2S
54
EX_ROM
ROM Select. EX_ROM = 1, read contents of external ROM. EX_ROM = 0,
read contents of internal ROM into internal shadow memory.
D-I
55
DGND
Digital Ground
GND
56
I2S_BCLK2
IS Bit Clock Channel 2
D-I
57
I2S_WS2
IS Word Select (Left/Right) Channel 2
D-I
58
I2S_SDOUT2
IS Serial Data OUT Channel 2
D-O
59
I2S_SDIN2
IS Serial Data IN Channel 2
D-I
60
I2S_BCLK1
IS Bit Clock Channel 1
D-I
61
I2S_WS1
IS Word Select (Left/Right) Channel 1
D-I
62
I2S_SDOUT1
IS Serial Data OUT Channel 1
D-O
63
I2S_SDIN1
IS Serial Data IN Channel 1
D-I
64
I2CS_SCL
IC Slave clock
I2C-I/O
65
I2CS_SDA
IC Slave data
I2C-O
66
I2CM_SCL
IC Master clock
I2C-O
67
I2CM_SDA
IC Master data
I2C-I/O
68
GND
GND : Ground
GND
CLASS_D
69
CLASS_D-
Class-D Inverting Output
A-O
70
PGND
Ground for Class D BTL Power Stage
GND
71
PVDD
Input Power for CLASS_D BTL Power Stage
A-I
72
CLASS_D+
Class-D Non-Inverting Output
A-O
DC_DC
73
BOOST5_SW2
BOOST5 Converter Power Switch
AP-O
Internally connected to pin 075 (BOOST_SW1)
74
BOOST5_OUT
BOOST5 Converter Output
AP-O
75
BOOST5_SW1
BOOST5 Converter Power Switch
AP-O
Internally connected to pin 073 (BOOST_SW2)
76
BOOST5_GND
Ground for BOOST5 Power Supply
AP-I
77
BUCK1000_FDBK
BUCK2 Converter #2 -Feedback
AP-I
78
BUCK1000_IN
BUCK2 Converter #2 - Input
AP-I
79
BUCK1000_OUT
BUCK2 Converter Output #2
– 1000mA
AP-O
80
BUCK1000_GND
Ground for BUCK2 Converter #2
GND
81
BUCK500_1_FDBK
BUCK1 Converter #1
– Feedback
AP-I
82
BUCK500_1_GND
Ground for BUCK1 Converter #1
GND
83
BUCK500_1_OUT
BUCK1 Converter Output #1 - 500mA
AP-O
84
BUCK500_1_IN
BUCK1 Converter #1 Input
AP-I
85
BUCK500_0_FDBK
BUCK0 Converter #0 feedback
AP-I
86
BUCK500_0_GND
Ground for BUCK0 Converter #0
GND
87
BUCK500_0_OUT
BUCK0 Converter Output #0 - 500mA
AP-O
88
BUCK500_0_IN
BUCK0 Converter #0 Input
AP-I
89
LED_BOOST_VSENSE
LED_BOOST Converter Output Voltage Sense Input to PWM Controller
AP-I
90
LED_BOOST_VIN
LED_BOOST Converter GATE BIAS Supply
AP-I
91
LED_BOOST_ISENSE
LED_BOOST Converter Output Current Sense Input to PWM Controller
AP-I
92
LED_BOOST_GATE
LED_BOOST Converter GATE Drive to Power FET
AP-I
93
LED_BOOST_GND
Ground for LED_BOOST
AP-I
94
LED_BOOST_SINK1
LED_BOOST Converter Current Sink for LED String #1
AP-I
95
LED_BOOST_SINK2
LED_BOOST Converter Current Sink for LED String #2
AP-I
96
PSCREF
Power Supply Current Reference
AP-O
HOTSWAP
97
HSCTRL1
Hot Swap Control Input 1
D-I
98
HSO1
Hot Swap Output 1
A-O
99
HSPWR
Hot Swap Switches Power Input
AP-I
100
HSO2
Hot Swap Output 2
A-O
101
HSCTRL2
Hot Swap Control Input 2
D-I