LPC2925 NXP Semiconductors, LPC2925 Datasheet - Page 7

• Manufacturer Part Number: LPC2925
• Description: (LPC2921 - LPC2925) ARM9 microcontroller
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 3.
LPC2921_2923_2925_0
Preliminary data sheet
Pin name
P1[10]/SDI1/SDA0
V
V
P1[9]/SDO1
V
P1[8]/SCS1[0]/
TXDL1/CS0
P1[7]/SCS1[3]/RXD1
P1[6]/SCS1[2]/TXD1
P1[5]/SCS1[1]/
PMAT3[5]
P1[4]/SCS2[2]/
PMAT3[4]
TRST_N
RST_N
V
XOUT_OSC
XIN_OSC
V
V
V
P1[3]/SCS2[1]/
PMAT3[3]
P1[2]/SCS2[3]/
PMAT3[2]
P1[1]/EI1/PMAT3[1]
V
V
P1[0]/EI0/PMAT3[0]
P0[0]/PHB0/
TXDC0/D24
V
P0[1]/PHA0/RXDC0
P0[2]/CLK_OUT/
PMAT0[0]
P0[3]/USB_UP_LED/
PMAT0[1]
P0[4]/PMAT0[2]
P0[5]/PMAT0[3]
V
P0[6]/PMAT0[4]
P0[7]/PMAT0[5]
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SS(CORE)
DD(CORE)
SS(IO)
SS(OSC_PLL)
DD(OSC_PLL)
SS(OSC_PLL)
DD(IO)
SS(CORE)
DD(CORE)
SS(IO)
DD(IO)
LQFP100 pin assignment
Pin
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[3]
[3]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
Description
Function 0 (default)
GPIO 1, pin 10
ground for digital core
1.8 V power supply for digital core
GPIO 1, pin 9
ground for I/O
GPIO 1, pin 8
GPIO 1, pin 7
GPIO 1, pin 6
GPIO 1, pin 5
GPIO 1, pin 4
IEEE 1149.1 test reset NOT; active LOW; pulled up internally
asynchronous device reset; active LOW; pulled up internally
ground for oscillator
crystal out for oscillator
crystal in for oscillator
1.8 V supply for oscillator and PLL
ground for PLL
3.3 V power supply for I/O
GPIO 1, pin 3
GPIO 1, pin 2
GPIO 1, pin 1
ground for digital core
1.8 V power supply for digital core
GPIO 1, pin 0
GPIO 0, pin 0
ground for I/O
GPIO 0, pin 1
GPIO 0, pin 2
GPIO 0, pin 3
GPIO 0, pin 4
GPIO 0, pin 5
3.3 V power supply for I/O
GPIO 0, pin 6
GPIO 0, pin 7
…continued
Rev. 00.01 — 24 October 2008
Function 1
SPI1 SDI
SPI1 SDO
SPI1 SCS0
SPI1 SCS3
SPI1 SCS2
SPI1 SCS1
SPI2 SCS2
SPI2 SCS1
SPI2 SCS3
EXTINT1
EXTINT0
QEI0 PHB
QEI0 PHA
CLK_OUT
USB_UP_LED
-
-
-
-
ARM9 microcontroller with CAN and LIN
LPC2921/2923/2925
Function 2
I2C0 SDA
-
-
UART1 RXD
UART1 TXD
PWM3 MAT5
PWM3 MAT4
PWM3 MAT3
PWM3 MAT2
PWM3 MAT1
PWM3 MAT0
CAN0 TXD
CAN0 RXD
PWM0 MAT0
PWM0 MAT1
PWM0 MAT2
PWM0 MAT3
PWM0 MAT4
PWM0 MAT5
© NXP B.V. 2008. All rights reserved.
Function 3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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