參數(shù)資料
型號(hào): P89LPC954FBD48,151
廠商: NXP Semiconductors
文件頁數(shù): 2/69頁
文件大?。?/td> 0K
描述: IC 80C51 MCU 16KB FLASH 48LQFP
標(biāo)準(zhǔn)包裝: 250
系列: LPC900
核心處理器: 8051
芯體尺寸: 8-位
速度: 18MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 40
程序存儲(chǔ)器容量: 16KB(16K x 8)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 512 x 8
電壓 - 電源 (Vcc/Vdd): 2.4 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 48-LQFP
包裝: 托盤
其它名稱: 568-8736
P89LPC954FBD48,151-ND
P89LPC952_954_4
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 24 July 2008
10 of 69
NXP Semiconductors
P89LPC952/954
8-bit microcontroller with 10-bit ADC
P0.6/CMP1/
KBI6
34
37
31
I/O
P0.6 — Port 0 bit 6.
O
CMP1 — Comparator 1 output.
I
KBI6 — Keyboard input 6.
P0.7/T1/KBI7
31
35
29
I/O
P0.7 — Port 0 bit 7.
I/O
T1 — Timer/counter 1 external count input or overow
output.
I
KBI7 — Keyboard input 7.
P1.0 to P1.7
I/O, I
Port 1: Port 1 is an 8-bit I/O port with a user-congurable
output type, except for three pins as noted below. During
reset Port 1 latches are congured in the input only mode
with the internal pull-up disabled. The operation of the
congurable Port 1 pins as inputs and outputs depends upon
the port conguration selected. Each of the congurable port
pins are programmed independently. Refer to Section 7.13.1
details. P1.2 to P1.3 are open drain when used as outputs.
P1.5 is input only.
All pins have Schmitt triggered inputs.
Port 1 also provides various special functions as described
below:
P1.0/TXD0
4
10
4
I/O
P1.0 — Port 1 bit 0.
O
TXD0 — Transmitter output for serial port 0.
P1.1/RXD0
3
9
3
I/O
P1.1 — Port 1 bit 1.
I
RXD0 — Receiver input for serial port 0.
P1.2/T0/SCL
2
8
2
I/O
P1.2 — Port 1 bit 2 (open-drain when used as output).
I/O
T0 — Timer/counter 0 external count input or overow
output (open-drain when used as output).
I/O
SCL — I2C-bus serial clock input/output.
P1.3/INT0/SDA
1
7
1
I/O
P1.3 — Port 1 bit 3 (open-drain when used as output).
I
INT0 — External interrupt 0 input.
I/O
SDA — I2C-bus serial data input/output.
P1.4/INT1
48
6
44
I/O
P1.4 — Port 1 bit 4.
I
INT1 — External interrupt 1 input.
Table 3.
Pin description …continued
Symbol
Pin
Type Description
LQFP48
PLCC44
LQFP44
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