LPC2470 NXP Semiconductors, LPC2470 Datasheet - Page 23

• Manufacturer Part Number: LPC2470
• Description: NXP Semiconductors designed the LPC2470 microcontroller, powered by theARM7TDMI-S core, to be a highly integrated microcontroller for a wide range ofapplications that require advanced communications and high quality graphic displays
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 4.
LPC2470
Product data sheet
Symbol
P4[20]/A20/
SDA2/SCK1
P4[21]/A21/
SCL2/SSEL1
P4[22]/A22/
TXD2/MISO1
P4[23]/A23/
RXD2/MOSI1
P4[24]/OE
P4[25]/WE
P4[26]/BLS0
P4[27]/BLS1
P4[28]/BLS2/
MAT2[0]/LCDVD[6]/
LCDVD[10]/
LCDVD[2]/
TXD3
P4[29]/BLS3/
MAT2[1]
LCDVD[7]/
LCDVD[11]/
LCDVD[3]/RXD3
P4[30]/CS0
P4[31]/CS1
ALARM
USB_D2
Pin description
Pin
109
115
123
129
183
179
119
139
170
176
187
193
37
52
[13]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
…continued
Ball
R17
M15
K14
J15
B8
B9
L15
G15
C11
B10
B7
A4
N1
U1
[1]
[1]
[1]
[1]
[13]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
All information provided in this document is subject to legal disclaimers.
Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
I/O
I/O
I/O
I
I/O
I/O
O
I/O
O
I/O
O
I/O
O
I/O
O
O
O
O
I/O
O
O
O
I
I/O
O
I/O
O
O
I/O
Rev. 4 — 8 September 2011
Description
P4[20] — General purpose digital input/output pin.
A20 — External memory address line 20.
SDA2 — I
SCK1 — Serial Clock for SSP1.
P4[21] — General purpose digital input/output pin.
A21 — External memory address line 21.
SCL2 — I
SSEL1 — Slave Select for SSP1.
P4[22] — General purpose digital input/output pin.
A22 — External memory address line 22.
TXD2 — Transmitter output for UART2.
MISO1 — Master In Slave Out for SSP1.
P4[23] — General purpose digital input/output pin.
A23 — External memory address line 23.
RXD2 — Receiver input for UART2.
MOSI1 — Master Out Slave In for SSP1.
P4[24] — General purpose digital input/output pin.
OE — LOW active Output Enable signal.
P4[25] — General purpose digital input/output pin.
WE — LOW active Write Enable signal.
P4[26] — General purpose digital input/output pin.
BLS0 — LOW active Byte Lane Select signal 0.
P4[27] — General purpose digital input/output pin.
BLS1 — LOW active Byte Lane Select signal 1.
P4[28] — General purpose digital input/output pin.
BLS2 — LOW active Byte Lane Select signal 2.
MAT2[0] — Match output for Timer 2, channel 0.
LCDVD[6]/LCDVD[10]/LCDVD[2] — LCD data.
TXD3 — Transmitter output for UART3.
P4[29] — General purpose digital input/output pin.
BLS3 — LOW active Byte Lane Select signal 3.
MAT2[1] — Match output for Timer 2, channel 1.
LCDVD[7]/LCDVD[11]/LCDVD[3] — LCD data.
RXD3 — Receiver input for UART3.
P4[30] — General purpose digital input/output pin.
CS0 — LOW active Chip Select 0 signal.
P4[31] — General purpose digital input/output pin.
CS1 — LOW active Chip Select 1 signal.
ALARM — RTC controlled output. This is a 1.8 V pin. It goes HIGH when
a RTC alarm is generated.
USB_D2 — USB port 2 bidirectional D line.
2
2
C2 clock input/output (this is not an open-drain pin).
C2 data input/output (this is not an open-drain pin).
Flashless 16-bit/32-bit microcontroller
[11]
[11]
[11]
[11]
LPC2470
© NXP B.V. 2011. All rights reserved.
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