參數(shù)資料
型號(hào): P87LPC768BD,512
廠商: NXP Semiconductors
文件頁(yè)數(shù): 10/65頁(yè)
文件大?。?/td> 0K
描述: IC 80C51 MCU 4K OTP 20-SOIC
產(chǎn)品培訓(xùn)模塊: Migrating from 8/16-Bit MCUs to 32-Bit ARMs
標(biāo)準(zhǔn)包裝: 38
系列: LPC700
核心處理器: 8051
芯體尺寸: 8-位
速度: 20MHz
連通性: I²C,UART/USART
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,LED,POR,PWM,WDT
輸入/輸出數(shù): 18
程序存儲(chǔ)器容量: 4KB(4K x 8)
程序存儲(chǔ)器類型: OTP
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 4x8b
振蕩器型: 內(nèi)部
工作溫度: 0°C ~ 70°C
封裝/外殼: 20-SOIC(0.295",7.50mm 寬)
包裝: 管件
產(chǎn)品目錄頁(yè)面: 706 (CN2011-ZH PDF)
其它名稱: 568-3218-5
935267360512
P87LPC768BD
Philips Semiconductors
Preliminary data
P87LPC768
Low power, low price, low pin count (20 pin) microcontroller
with 4 kB OTP 8-bit A/D, Pulse Width Modulator
2002 Mar 12
16
CNSW0: Counter Shadow register 0
Addr:
0D1H
Reset Value:
FFH
76
5
4
3
2
1
0
CNSW7
CNSW6
CNSW5
CNSW4
CNSW3
CNSW2
CNSW1
CNSW0
CNSW1: Counter Shadow register 1
Addr:
0D2H
Reset Value:
FFH
76
5
4
3
2
1
0
Unused
CNSW9
CNSW8
The word “Shadow” in the above refers to the fact that writes are not
into the register that controls the counter; rather they are into a
holding register. As described below the transfer of data from this
holding register, into the register which contains the actual reload
value, is controlled by the user’s program.
INTERNAL BUS
10 BIT SHADOW
REGISTER
10 BIT COUNTER
REGISTER
10 BIT SHADOW
REGISTER
10 BIT COMPARE
REGISTER
10 BIT SHADOW
REGISTER
10 BIT COMPARE
REGISTER
10 BIT SHADOW
REGISTER
10 BIT COMPARE
REGISTER
10 BIT SHADOW
REGISTER
10 BIT COMPARE
REGISTER
10 BIT COUNTER
A>B
RUN
XFER
BRAKE
BKCH
BKPS
BPEN
BKEN
BRAKE CONTROL LOGIC
2:1 MUX
PWM3I
PWM3B
PWM3
2:1 MUX
PWM2I
PWM2B
PWM2
2:1 MUX
PWM1I
PWM1B
PWM1
2:1 MUX
PWM0I
PWM0B
PWM0
A
B
AB
A
B
SU01364
Figure 8. PWM Block Diagram
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