參數(shù)資料
型號(hào)： P87CL881H
廠商： NXP Semiconductors N.V.
英文描述： Low-voltage microcontroller with 63-kbyte OTP program memory and 2-kbyte RAM(帶63K字節(jié)OTP程序存儲(chǔ)器和2K字節(jié)RAM的低壓微控制器)
中文描述： 低63字節(jié)OTP程序存儲(chǔ)器和2K字節(jié)RAM電壓微控制器（帶檢察官辦公室63K字節(jié)程序存儲(chǔ)器和2K字節(jié)的RAM的低壓微控制器）
文件頁(yè)數(shù)： 7/32頁(yè)
文件大?。?/td> 139K
代理商： P87CL881H
1999 Apr 16
7
Philips Semiconductors
Product specification
Low-voltage microcontroller with 63-kbyte
OTP program memory and 2-kbyte RAM
P87CL881H
P0.0/AD0
P0.1/AD1
P0.2/AD2
P0.3/AD3
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
P1.0/INT2/T2
P1.1/INT3/T2EX
P1.2/INT4/
T2COMP
P1.3/INT5
P1.4/INT6/CLK
P1.5/INT7
P1.6/INT8/SCL
P1.7/INT9/SDA
P2.0/A8
P2.1/A9
P2.2/A10
P2.3/A11
P2.4/A12
P2.5/A13
P2.6/A14
P2.7/A15
P3.0/RXD/data
P3.1/TXD/clock
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P3.6/WR
P3.7/RD
37
36
35
34
33
32
31
30
40
41
42
Port 0.
8-bit bidirectional I/O port with alternative functions. Every port pin can be used
as open-drain, standard port, high-impedance input or push-pull output, according to
Section 6.2. AD7 to AD0 provide the multiplexed low-order address and data bus during
accesses to external memory.
Port 1.
8-bit bidirectional I/O port with alternative functions. Every port pin except P1.6
and P1.7 (I
2
C-bus pins) can be used as open-drain, standard port, high-impedance input
or push-pull output, according to Section 6.2. Port 1 also serves the alternative functions
INT2 to INT9 interrupts, Timer 2 external input and Timer 2 compare output, external
clock output CLK and I
2
C-bus clock and I
2
C-bus data in/outputs.
43
44
1
2
3
18
19
20
21
22
23
24
25
5
7
8
9
10
11
12
13
Port 2.
8-bit bidirectional I/O port with alternative functions. Every port pin can be used
as open-drain, standard port, high-impedance input or push-pull output, according to
Section 6.2. Port 2 emits the high order address byte during accesses to external
memory that use 16-bit addresses (MOVX @ DPTR). In this application it uses the
strong internal pull-ups when emitting logic 1's. During accesses to external memory that
use 8-bit addresses (MOVX @ Ri), Port 2 emits the contents of the P2 Special Function
Register.
Port 3.
8-bit bidirectional I/O port with alternative functions. Every port pin can be used
as open-drain, standard port, high-impedance input or push-pull output, according to
Section 6.2. RXD/data is the serial port receiver data input (asynchronous) or data I/O
(synchronous). TXD/clock is the serial port transmitter data output (asynchronous) or
clock output (synchronous). INT0 and INT1 are external interrupt lines. T0 and T1 are
external inputs for Timers 0 and 1 respectively. WR is the external memory write strobe
and RD is the external memory read strobe.
SYMBOL
PIN
DESCRIPTION
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