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| 型號： | P89V51RD2 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 8-bit 80C51 5 V low power 64 kB Flash microcontroller with 1 kB RAM |
| 中文描述： | 8位80C51的5 V低功耗64 kB閃存1 KB RAM內(nèi)存控制器 |
| 文件頁數(shù)： | 7/77頁 |
| 文件大?。?/td> | 350K |
| 代理商： | P89V51RD2 |
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Philips Semiconductors
P89V51RB2/RC2/RD2
8-bit microcontrollers with 80C51 core
Product data
Rev. 03 — 02 December 2004
7 of 77
9397 750 14341
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
5.2 Pin description
Table 3:
Symbol
P89V51RB2/RC2/RD2 pin description
Pin
DIP40
TQFP44
39-32
37-30
Type
Description
PLCC44
43-36
P0.0 to
P0.7
I/O
Port 0:
Port 0 is an 8-bit open drain bi-directional I/O
port. Port 0 pins that have ‘1’s written to them float, and
in this state can be used as high-impedance inputs.
Port 0 is also the multiplexed low-order address and
data bus during accesses to external code and data
memory. In this application, it uses strong internal
pull-ups when transitioning to ‘1’s. Port 0 also receives
the code bytes during the external host mode
programming, and outputs the code bytes during the
external host mode verification. External pull-ups are
required during program verification or as a general
purpose I/O port.
Port 1:
Port 1 is an 8-bit bi-directional I/O port with
internal pull-ups. The Port 1 pins are pulled high by the
internal pull-ups when ‘1’s are written to them and can
be used as inputs in this state. As inputs, Port 1 pins that
are externally pulled LOW will source current (I
IL
)
because of the internal pull-ups. P1.5, P1.6, P1.7 have
high current drive of 16 mA. Port 1 also receives the
low-order address bytes during the external host mode
programming and verification.
T2:
External count input to Timer/Counter 2 or Clock-out
from Timer/Counter 2
T2EX
: Timer/Counter 2 capture/reload trigger and
direction control
ECI
: External clock input. This signal is the external
clock input for the PCA.
CEX0
: Capture/compare external I/O for PCA Module 0.
Each capture/compare module connects to a Port 1 pin
for external I/O. When not used by the PCA, this pin can
handle standard I/O.
SS
: Slave port select input for SPI
CEX1
: Capture/compare external I/O for PCA Module 1
MOSI
: Master Output Slave Input for SPI
CEX2
: Capture/compare external I/O for PCA Module 2
MISO
: Master Input Slave Output for SPI
CEX3
: Capture/compare external I/O for PCA Module 3
SCK
: Master Output Slave Input for SPI
CEX4
: Capture/compare external I/O for PCA Module 4
P1.0 to
P1.7
1-8
40-44, 1-3
2-9
I/O with
internal pull-up
P1.0
1
40
2
I/O
P1.1
2
41
3
I
P1.2
3
42
4
I
P1.3
4
43
5
I/O
P1.4
5
44
6
I/O
P1.5
6
1
7
I/O
P1.6
7
2
8
I/O
P1.7
8
3
9
I/O
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| P89V51RD2BN | 制造商:NXP Semiconductors 功能描述:IC MCU 8BIT 80C51 64K FLASH DIP40 制造商:NXP Semiconductors 功能描述:IC, MCU 8BIT 80C51 64K FLASH, DIP40 |
| P89V51RD2BN,112 | 功能描述:8位微控制器 -MCU 80C51 5V 16/32/64KB FLASH MCU 1 KB RAM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| P89V51RD2FA | 制造商:NXP Semiconductors 功能描述:MCU 8BIT 80C51 64K FLASH PLCC44 |
| P89V51RD2FA,512 | 功能描述:8位微控制器 -MCU 80C51 64K FL / 1K RM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| P89V51RD2FA512 | 制造商:NXP Semiconductors 功能描述:IC 8BIT MCU 80C51 40MHZ LCC-44 |
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