參數(shù)資料
型號(hào)： P87CL884T
廠商： NXP Semiconductors N.V.
英文描述： TELX microcontrollers for CT0 handset/basestation applications
中文描述： TELX微控制器CT0手機(jī)/基站應(yīng)用
文件頁數(shù)： 7/32頁
文件大?。?/td> 145K
代理商： P87CL884T
7
Philips Semiconductors
Product specification
TELX microcontrollers for CT0
handset/basestation applications
P8xCL883; P8xCL884
5.2
Pin description
SYMBOL
PIN
DESCRIPTION
RST
6
Active LOW reset.
A LOW level on this pin for two machine cycles while the
oscillator is running, resets the device. The RST pin is also an output which can be
used to reset other ICs.
Digital
MSK
modem input.
Digital
MSK
modem outputs.
MIN
MOUT1
MOUT2
XTAL1
7
8
9
10
Crystal input.
Input to the Amplitude Controlled Oscillator. Also the input for an
externally generated clock source.
Crystal output.
Output of the Amplitude Controlled Oscillator. To be left
unconnected when an external oscillator clock is used.
Power supply.
Ground.
Port 0.
8-bit bidirectional I/O port. Every port pin can be used as open-drain,
standard port, high-impedance input or push-pull output, according to Section 6.2.
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 P1.3 has
LED drive capability.
XTAL2
11
V
DD
V
SS
P0.0 to P0.7
14
15
23 to 27,
1 to 3
12
13
16
17
18
19
21
22
4
5
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
P3.0/RXD/data
P3.1/TXD/clock/
MOUT0
P3.4/T0
Port 1 also serves the alternative functions:
INT2 to INT9
interrupts; Timer T2
external inputs
T2
and
T2EX
; Timer T2 compare output
T2COMP
; external clock
output
CLK
; I
2
C-bus clock
SCL
and data in/outputs
SDA
.
Port 3.
3 or 2-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 Chapter 6.2.
Port 3 also serves the alternative functions:
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) or digital
MSK modem output
MOUT0
;
T0
is an external input for Timer 0.
P3.4/T0
is only available on the P8xCL883.
DTMF
output;
TONE
is only available on the P8xCL884.
PORENABLE
. Power-on reset circuit enable. If PORENABLE = 1, the internal
Power-on reset circuit is enabled. If external reset circuitry is used, it is
recommended to keep PORENABLE = 0 to reach lowest power consumption. This
pin is also used for the OTP programming voltage V
PP
.
20
TONE
PORENABLE/V
PP
20
28
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