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| 型号： | LPC12D27FBD100/301 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 45/46页 |
| 文件大小： | 0K |
| 描述： | MCU 32BIT ARM CORTEX-M0 100-LQFP |
| 标准包装： | 90 |
| 系列： | LPC1200 |
| 核心处理器： | ARM? Cortex?-M0 |
| 芯体尺寸： | 32-位 |
| 速度： | 45MHz |
| 连通性： | I²C，IrDA，SPI，SSP，UART/USART |
| 外围设备： | 欠压检测/复位，DMA，LCD，POR，PWM，WDT |
| 输入/输出数： | 40 |
| 程序存储器容量： | 128KB（128K x 8） |
| 程序存储器类型： | 闪存 |
| RAM 容量： | 8K x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 3 V ~ 3.6 V |
| 数据转换器： | A/D 8x10b |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 100-LQFP |
| 包装： | 托盘 |
| 其它名称： | 568-8372 |
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LPC12D27
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 1 — 20 September 2011
8 of 46
NXP Semiconductors
LPC12D27
32-bit ARM Cortex-M0 microcontroller
6.2 Pin description
All pins except the supply pins and the LCD pins can have more than one function as
shown in Table 3. The pin function is selected through the pin’s IOCON register in the
IOCONFIG block. The multiplexed functions include the counter/timer inputs and outputs,
the UART receive, transmit, and control functions, and the serial wire debug functions.
For each pin, the default function is listed first together with the pin’s reset state.
Table 3.
LPC12D27 LQFP100 pin description
Symbol
Pin
Start
logic
input
Reset
state
Type
Description
Microcontroller pins
PIO0_0 to PIO0_31
I/O
Port 0 — Port 0 is a 32-bit I/O port with individual direction and
function controls for each bit. The operation of port 0 pins
depends on the function selected through the IOCONFIG register
block.
PIO0_0/RTS0
yes
I; PU
I/O
PIO0_0 — General purpose digital input/output pin. Also serves
as wake-up pin from Deep-sleep mode.
O
RTS0 — Request To Send output for UART0.
PIO0_1/RXD0/
CT32B0_CAP0/
CT32B0_MAT0
yes
I; PU
I/O
PIO0_1 — General purpose digital input/output pin. Also serves
as wake-up pin from Deep-sleep mode.
I
RXD0 — Receiver input for UART0.
I
CT32B0_CAP0 — Capture input, channel 0 for 32-bit timer 0.
O
CT32B0_MAT0 — Match output, channel 0 for 32-bit timer 0.
PIO0_2/TXD0/
CT32B0_CAP1/
CT32B0_MAT1
yes
I; PU
I/O
PIO0_2 — General purpose digital input/output pin. Also serves
as wake-up pin from Deep-sleep mode.
O
TXD0 — Transmitter output for UART0.
I
CT32B0_CAP1 — Capture input, channel 1 for 32-bit timer 0.
O
CT32B0_MAT1 — Match output, channel 1 for 32-bit timer 0.
PIO0_3/DTR0/
CT32B0_CAP2/
CT32B0_MAT2
yes
I; PU
I/O
PIO0_3 — General purpose digital input/output pin. Also serves
as wake-up pin from Deep-sleep mode.
O
DTR0 — Data Terminal Ready output for UART0.
I
CT32B0_CAP2 — Capture input, channel 2 for 32-bit timer 0.
O
CT32B0_MAT2 — Match output, channel 2 for 32-bit timer 0.
PIO0_4/
CT32B0_CAP3/
CT32B0_MAT3
10[2]
yes
I; PU
I/O
PIO0_4 — General purpose digital input/output pin. Also serves
as wake-up pin from Deep-sleep mode.
I
DSR0 — Data Set Ready input for UART0.
I
CT32B0_CAP3 — Capture input, channel 3 for 32-bit timer 0.
O
CT32B0_MAT3 — Match output, channel 3 for 32-bit timer 0.
PIO0_5/DCD0
11[2]
yes
I; PU
I/O
PIO0_5 — General purpose digital input/output pin. Also serves
as wake-up pin from Deep-sleep mode.
I
DCD0 — Data Carrier Detect input for UART0.
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