LPC2925 NXP Semiconductors, LPC2925 Datasheet - Page 6
LPC2925
Manufacturer Part Number
LPC2925
Description
(LPC2921 - LPC2925) ARM9 microcontroller
Manufacturer
NXP Semiconductors
Datasheet
1.LPC2925.pdf
(81 pages)
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Table 3.
LPC2921_2923_2925_0
Preliminary data sheet
Pin name
P5[19]/USB_D+
P5[18]/USB_D−
V
V
V
V
P1[27]/CAP1[2]/
TRAP2/PMAT3[3]
P1[26]/PMAT2[0]/
TRAP3/PMAT3[2]
V
P1[25]/PMAT1[0]/
USB_VBUS/
PMAT3[1]
P1[24]/PMAT0[0]/
USB_CONNECT/
PMAT3[0]
P1[23]/RXD0
P1[22]/TXD0/
USB_UP_LED
TMS
TCK
P1[21]/CAP3[3]/
CAP1[3]
P1[20]/CAP3[2]/
SCS0[1]
P1[19]/CAP3[1]/
SCS0[2]
P1[18]/CAP3[0]/
SDO0
P1[17]/CAP2[3]/
SDI0
V
P1[16]/CAP2[2]/
SCK0
P1[15]/CAP2[1]/
SCS0[0]
P1[14]/CAP2[0]/
SCS0[3]
P1[13]/EI3/SCL1
P1[12]/EI2/SDA1
V
P1[11]/SCK1/SCL0
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DD(IO)
DD(CORE)
SS(CORE)
SS(IO)
DD(IO)
SS(IO)
DD(IO)
LQFP100 pin assignment
Pin
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
[2]
[2]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
Description
Function 0 (default)
GPIO 5, pin 19
GPIO 5, pin 18
3.3 V power supply for I/O
1.8 V power supply for digital core
ground for core
ground for I/O
GPIO 1, pin 27
GPIO 1, pin 26
3.3 V power supply for I/O
GPIO 1, pin 25
GPIO 1, pin 24
GPIO 1, pin 23
GPIO 1, pin 22
IEEE 1149.1 test mode select, pulled up internally
IEEE 1149.1 test clock
GPIO 1, pin 21
GPIO 1, pin 20
GPIO 1, pin 19
GPIO 1, pin 18
GPIO 1, pin 17
ground for I/O
GPIO 1, pin 16
GPIO 1, pin 15
GPIO 1, pin 14
GPIO 1, pin 13
GPIO 1, pin 12
3.3 V power supply for I/O
GPIO 1, pin 11
…continued
Rev. 00.01 — 24 October 2008
Function 1
USB_D+
USB_D−
TIMER1 CAP2,
ADC2 EXT START
PWM2 MAT0
PWM1 MAT0
PWM0 MAT0
UART0 RXD
UART0 TXD
TIMER3 CAP3
TIMER3 CAP2
TIMER3 CAP1
TIMER3 CAP0
TIMER2 CAP3
TIMER2 CAP2
TIMER2 CAP1
TIMER2 CAP0
EXTINT3
EXTINT2
SPI1 SCK
ARM9 microcontroller with CAN and LIN
LPC2921/2923/2925
Function 2
-
-
PWM TRAP2
PWM TRAP3
USB_VBUS
USB_CONNECT
-
USB_UP_LED
TIMER1 CAP3,
MSCSS PAUSE
SPI0 SCS1
SPI0 SCS2
SPI0 SDO
SPI0 SDI
SPI0 SCK
SPI0 SCS0
SPI0 SCS3
I2C1 SCL
I2C1 SDA
I2C0 SCL
© NXP B.V. 2008. All rights reserved.
Function 3
-
-
PWM3 MAT3
PWM3 MAT1
PWM3 MAT0
-
-
-
-
-
-
-
-
-
-
-
-
-
PWM3 MAT2
6 of 81
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