參數(shù)資料
型號(hào)： 87LPC768
廠商： NXP Semiconductors N.V.
英文描述： Low power, low price, low pin count(20 pin) microcontroller with 4 kB OTP and 8-bit A/D,and Pulse Width Modulator(帶4 kB OTP、8位A/D和脈寬調(diào)節(jié)的低功耗，低價(jià)格，少引腳（20引腳）的微控制器)
中文描述： 低功耗，低價(jià)格，低引腳數(shù)（20針）與4 KB的OTP和8位A / D和脈寬調(diào)制器（帶4 KB的檢察官辦公室，8位A / D轉(zhuǎn)換和脈寬調(diào)節(jié)的低功耗微控制器，低價(jià)格，少引腳（20引腳）的微控制器）
文件頁(yè)數(shù)： 8/66頁(yè)
文件大?。?/td> 314K
代理商： 87LPC768
Philips Semiconductors
Preliminary specification
87LPC768
Low power, low price, low pin count (20 pin) microcontroller with
4 kB OTP 8-bit A/D, Pulse Width Modulator
2000 May 02
6
MNEMONIC
NAME AND FUNCTION
TYPE
PIN NO.
P2.0–P2.1
6, 7
I/O
Port 2
: Port 2 is a 2-bit I/O port with a user-configurable output type. Port 2 latches are configured in the
quasi-bidirectional mode and have either ones or zeros written to them during reset, as determined by
the PRHI bit in the UCFG1 configuration byte. The operation of port 2 pins as inputs and outputs
depends upon the port configuration selected. Each port pin is configured independently. Refer to the
section on I/O port configuration and the DC Electrical Characteristics for details.
Port 2 also provides various special functions as described below.
7
O
P2.0
X2
Output from the oscillator amplifier (when a crystal oscillator option is
selected via the EPROM configuration).
CPU clock divided by 6 clock output when enabled via SFR bit and in
conjunction with internal RC oscillator or external clock input.
CLKOUT
6
I
P2.1
X1
Input to the oscillator circuit and internal clock generator circuits (when
selected via the EPROM configuration).
V
SS
V
DD
5
I
Ground
: 0V reference.
15
I
Power Supply
: This is the power supply voltage for normal operation as well as Idle and
Power Down modes.
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