LPC2157 View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
LPC2157
Philips Electronics
LPC2157 Datasheet PDF : 45 Pages
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NXP Semiconductors
LPC2157/2158
Single-chip 16-bit/32-bit microcontrollers
Table 3. Pin description LPC2158 …continued
Symbol
Pin
Type Description
P0[9]/RXD1/
PWM6/EINT3
21[2]
I/O
P0[9] — General purpose input/output digital pin (GPIO).
I
RXD1 — Receiver input for UART1.
O
PWM6 — Pulse Width Modulator output 6.
I
EINT3 — External interrupt 3 input.
P0[10]/RTS1/
CAP1[0]/AD1[2]
22[4]
I/O
P0[10] — General purpose input/output digital pin (GPIO).
O
RTS1 — Request to Send output for UART1.
I
CAP1[0] — Capture input for Timer 1, channel 0.
I
AD1[2] — ADC 1, input 2.
P0[11]/CTS1/
CAP1[1]/SCL1
23[3]
I/O
P0[11] — General purpose input/output digital pin (GPIO).
I
CTS1 — Clear to Send input for UART1.
I
CAP1[1] — Capture input for Timer 1, channel 1.
I/O
SCL1 — I2C1 clock input/output. Open-drain output (for I2C-bus compliance)
P0[12]/DSR1/
MAT1[0]/AD1[3]
24[4]
I/O
P0[12] — General purpose input/output digital pin (GPIO).
I
DSR1 — Data Set Ready input for UART1.
O
MAT1[0] — Match output for Timer 1, channel 0.
I
AD1[3] — ADC 1 input 3.
P0[13]/DTR1/
MAT1[1]/AD1[4]
25[4]
I/O
P0[13] — General purpose input/output digital pin (GPIO).
O
DTR1 — Data Terminal Ready output for UART1.
O
MAT1[1] — Match output for Timer 1, channel 1.
I
AD1[4] — ADC 1 input 4.
P0[14]/DCD1/
EINT1/SDA1
26[3]
I/O
P0[14] — General purpose input/output digital pin (GPIO).
I
DCD1 — Data Carrier Detect input for UART1.
I
EINT1 — External interrupt 1 input.
I/O
SDA1 — I2C1 data input/output. Open-drain output (for I2C-bus compliance).
Note: LOW on this pin while RESET is LOW forces on-chip bootloader to take
over control of the part after reset.
P0[15]/RI1/
EINT2/AD1[5]
28[4]
I/O
P0[15] — General purpose input/output digital pin (GPIO).
I
RI1 — Ring Indicator input for UART1.
I
EINT2 — External interrupt 2 input.
I
AD1[5] — ADC 1, input 5.
P0[16]/EINT0/
29[2]
MAT0[2]/CAP0[2]
I/O
P0[16] — General purpose input/output digital pin (GPIO).
I
EINT0 — External interrupt 0 input.
O
MAT0[2] — Match output for Timer 0, channel 2.
I
CAP0[2] — Capture input for Timer 0, channel 2.
P0[17]/CAP1[2]/
30[1]
SCK1/MAT1[2]
I/O
P0[17] — General purpose input/output digital pin (GPIO).
I
CAP1[2] — Capture input for Timer 1, channel 2.
I/O
SCK1 — Serial Clock for SSP. Clock output from master or input to slave.
O
MAT1[2] — Match output for Timer 1, channel 2.
LPC2157_2158_1
Product data sheet
Rev. 01 — 15 October 2008
© NXP B.V. 2008. All rights reserved.
11 of 45
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