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| 型号： | P89LPC938 |
| 厂商： | NXP Semiconductors N.V. |
| 英文描述： | 8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable Flash with 10-bit A/D converter |
| 中文描述： | 8位加速两个小时微控制器的80C51内核8 KB的3伏字节可擦除闪存的10位A / D转换器 |
| 文件页数： | 9/68页 |
| 文件大小： | 318K |
| 代理商： | P89LPC938 |
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9397 750 14051
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 25 February 2005
9 of 68
Philips Semiconductors
P89LPC938
8-bit microcontroller with 10-bit A/D converter
P1.3/INT0/SDA
11
7
I/O
I
I/O
I
I
I
I
P1.3 —
Port 1 bit 3 (open-drain when used as output).
INT0 —
External interrupt 0 input.
SDA —
I
2
C serial data input/output.
P1.4 —
Port 1 bit 4.
INT1 —
External interrupt 1 input.
P1.5 —
Port 1 bit 5 (input only).
RST —
External Reset input during power-on or if selected via UCFG1.
When functioning as a reset input, a LOW on this pin resets the
microcontroller, causing I/O ports and peripherals to take on their default
states, and the processor begins execution at address 0. Also used
during a power-on sequence to force In-System Programming mode.
When using an oscillator frequency above 12 MHz, the reset input
function of P1.5 must be enabled. An external circuit is required to
hold the device in reset at power-up until V
DD
has reached its
specified level. When system power is removed V
DD
will fall below
the minimum specified operating voltage. When using an oscillator
frequency above 12 MHz, in some applications, an external
brownout detect circuit may be required to hold the device in reset
when V
DD
falls below the minimum specified operating range.
P1.6 —
Port 1 bit 6.
OCB —
Output Compare B.
P1.7 —
Port 1 bit 7.
OCC —
Output Compare C.
AD04 —
ADC0 channel 4 analog input.
Port 2:
Port 2 is an 8-bit I/O port with a user-configurable output type.
During reset Port 2 latches are configured in the input only mode with the
internal pull-up disabled. The operation of Port 2 pins as inputs and
outputs depends upon the port configuration selected. Each port pin is
configured independently. Refer to
Section 7.13.1 “Port configurations”
and
Table 10 “DC electrical characteristics”
for details.
All pins have Schmitt triggered inputs.
Port 2 also provides various special functions as described below:
P2.0 —
Port 2 bit 0.
ICB —
Input Capture B.
AD07 —
ADC0 channel 7 analog input.
P2.1 —
Port 2 bit 1.
OCD —
Output Compare D.
AD06 —
ADC0 channel 6 analog input.
P2.2 —
Port 2 bit 2.
MOSI —
SPI master out slave in. When configured as master, this pin is
output; when configured as slave, this pin is input.
P2.3 —
Port 2 bit 3.
MISO —
When configured as master, this pin is input, when configured
as slave, this pin is output.
P1.4/INT1
10
6
P1.5/RST
6
2
P1.6/OCB
5
1
I/O
O
I/O
O
I
I/O
P1.7/OCC/
AD04
4
28
P2.0 to P2.7
P2.0/ICB/AD07
1
25
I/O
I
I
I/O
O
I
I/O
I/O
P2.1/OCD/
AD06
2
26
P2.2/MOSI
13
9
P2.3/MISO
14
10
I/O
I/O
Table 3:
Symbol
Pin description
…continued
Pin
TSSOP28,
PLCC28
Type Description
HVQFN28
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| P89LPC9381 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-bit microcontroller with accelerated two-clock 80C51 core 4 kB 3 V byte-erasable flash with 10-bit ADC |
| P89LPC9381FA | 功能描述:8位微控制器 -MCU 4K FL/256B RAM/ I2C/10B ADC RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| P89LPC9381FA,112 | 功能描述:8位微控制器 -MCU 4K FL/256B RAM/ RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| P89LPC9381FDH | 功能描述:8位微控制器 -MCU 4K FL/256B RAM/ I2C/10B ADC RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| P89LPC9381FDH,512 | 功能描述:8位微控制器 -MCU 4K FL/256B RAM/ RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
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