参数资料
型号: OM13013,598
厂商: NXP Semiconductors
文件页数: 6/61页
文件大小: 0K
描述: BOARD DEMO IAR LPC1227 JLINKLITE
标准包装: 1
类型: MCU
适用于相关产品: LPC1227
所含物品:
其它名称: 568-6885
LPC122X
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 2 — 26 August 2011
14 of 61
NXP Semiconductors
LPC122x
32-bit ARM Cortex-M0 microcontroller
[1]
Pin state at reset for default function: I = Input; O = Output; PU = internal pull-up enabled; IA = inactive, no pull-up/down enabled.
[2]
3.3 V tolerant, digital I/O pin; default: pull-up enabled, no hysteresis.
[3]
If set to output, this normal-drive pin is in low mode by default.
[4]
I2C-bus pins; 5 V tolerant; open-drain; default: no pull-up/pull-down; no hysteresis.
[5]
3.3 V tolerant, digital I/O pin with RESET function; default: pull-up enabled, no hysteresis. An external pull-up resistor is required on this
pin for the Deep power-down mode.
[6]
3.3 V tolerant, digital I/O pin with analog function; default: pull-up enabled, no hysteresis.
[7]
If set to output, this normal-drive pin is in high mode by default.
[8]
3.3 V tolerant, digital I/O pin with analog function and WAKEUP function; default: pull-up enabled, no hysteresis.
[9]
3.3 V tolerant, high-drive digital I/O pin; default: pull-up enabled, no hysteresis.
[10] If the RTC is not used, RTCXIN and RTCXOUT can be left floating.
To enable a peripheral function, find the corresponding port pin, or select a port pin if the
function is multiplexed, and program the port pin’s IOCONFIG register to enable that
function. The primary SWD functions and RESET are the default functions on their pins
after reset.
VDD(IO)
47 63
-
I
-
Input/output supply voltage.
VDD(3V3)
44 56
-
I
-
3.3 V supply voltage to the internal regulator and the ADC. Also
used as the ADC reference voltage.
VSSIO
48 64
-
I
-
Ground.
VSS
43 55
-
I
-
Ground.
Table 3.
LPC122x pin description …continued
Symbol
Pi
n
LQ
FP4
8
Pi
n
LQ
FP6
4
Start
logic
input
Type Reset
state
[1]
Description
Table 4.
Pin multiplexing
Peripheral
Function
Type
Available on ports:
Analog comparators
ROSC
I/O
PIO0_29
-
ACMP0_I0
I
PIO0_19
-
ACMP0_I1
I
PIO0_20
-
ACMP0_I2
I
PIO0_21
-
ACMP0_I3
I
PIO0_22
-
ACMP0_O
O
PIO0_27
-
ACMP1_I0
I
PIO0_23
-
ACMP1_I1
I
PIO0_24
-
ACMP1_I2
I
PIO0_25
-
ACMP1_I3
I
PIO0_26
-
ACMP1_O
O
PIO0_28
-
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