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PDF P87CL884 Data sheet ( Hoja de datos )
| Número de pieza | P87CL884 | |
| Descripción | TELX microcontrollers | |
| Fabricantes | Philips | |
| Logotipo |  |
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INTEGRATED CIRCUITS
DATA SHEET
P8xCL883; P8xCL884
TELX microcontrollers for CT0
handset/basestation applications
Product specification
Supersedes data of 1997 Aug 18
File under Integrated Circuits, IC17
1999 Mar 15
http://www.Datasheet4U.com/
1 page  
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XTAL1
XTAL2
CLK (2)
T0 (4)
INT2 to INT9 (2)
8
VDD VPP VSS
TONE (1)
RX_MUTE (6)
MIN
TX_MUTE (6)
TWO 16-BIT
TIMER/
EVENT
COUNTERS
(T0, T1)
CPU
ACO
PROGRAM
MEMORY
OTP/ROM
DATA
MEMORY
RAM
DTMF
MSK MODEM
P87CL883
(5)
P87CL884
8-bit
internal bus
MOUT0 (3)
MOUT1
MOUT2
PARALLEL
I/O PORTS
SERIAL
UART
PORT
16-BIT
TIMER/EVENT
COUNTER WITH
CAPTURE/
COMPARE
(T2)
EEPROM (1)
I2C-BUS
INTERFACE
WATCHDOG
TIMER
(T3)
LVD
POR
P0 P1
RXD (4)
P3 (7) TXD (4)
T2EX (2)
T2 (2)
T2COMP (2)
SDA (2) SCL (2)
RST
(1) Only available on the P8xCL884.
(2) Alternative functions of Port 1.
(3) MOUT0 is the alternative function of P3.1.
(4) Alternative functions of Port 3; T0 is only available on the P8xCL883.
(5) In-circuit OTP programming.
(6) By software, any I/O pin can be used.
(7) Port 3: P3.0, P3.1 and P3.4; P3.4 is only available on the P8xCL883.
Fig.1 Block diagram.
PORENABLE
MBK981
http://www.Datasheet4U.com/
5 Page 
Philips Semiconductors
TELX microcontrollers for CT0
handset/basestation applications
Product specification
P8xCL883; P8xCL884
6.2.3 ALTERNATIVE PORT FUNCTION REGISTER (ALTP)
This 4-bit register selects the alternative function of certain port pins.
Table 4 Alternative Port Function Register (SFR address A3H)
76543210
−−−−
EMOUT0
ECLK
EMLDY
ETONE
Table 5 Description of ALTP bits
BIT
7t o4
3
2
1
0
SYMBOL
−
EMOUT0
ECLK
EMLDY
ETONE
DESCRIPTION
These 4 bits are reserved.
If this bit is set, P3.1 will output the MOUT0 signal.
If this bit is set, P1.4 is configured to be push-pull, and P1.4 will output the system clock.
If this bit is set, P1.5 is configured to be push-pull, and P1.5 will output the digital MLDY
signal of the DTMF generator.
If this bit is set, the TONE output of the DTMF generator is enabled.
11
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