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PDF PCF84C85AP Data sheet ( Hoja de datos )
| Número de pieza | PCF84C85AP | |
| Descripción | Microcontroller with extended I/O | |
| Fabricantes | NXP Semiconductors | |
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INTEGRATED CIRCUITS
DATA SHEET
PCF84C85A
Microcontroller with extended I/O
Product specification
Supersedes data of May 1994
File under Integrated Circuits, IC14
1996 Nov 21
1 page  
Philips Semiconductors
Microcontroller with extended I/O
Product specification
PCF84C85A
5 PINNING INFORMATION
5.1 Pinning
handbook, halfpage
INT / T0 1
40 V DD
P0.0 2
P0.1 3
39 T1
38 SCLK
P0.2 4
37 SDA / P2.3
P0.3 5
36 DP1.6
P0.4 6
35 DP1.5
P0.5 7
34 DP1.4
P0.6 8
33 DP1.3
P0.7 9
32 DP1.2
P1.0 10
31 DP1.1
PCF84C85A
P1.1 11
30 DP1.0
P1.2 12
29 DP0.7
P1.3 13
28 DP0.6
P1.4 14
27 DP0.5
P1.5 15
26 DP0.4
P1.6 16
25 DP0.3
P1.7 17
24 DP0.2
XTAL1 18
23 DP0.1
XTAL2 19
VSS 20
22 DP0.0
21 RESET
MLA597
Fig.2 Pin configuration.
5.2 Pin description
Table 1 DIP40 and VSO40 packages.
SYMBOL
INT/T0
P0.0 to P0.7
P1.0 to P1.7
XTAL1
XTAL2
VSS
RESET
DP0.0 to
DP0.7
DP1.0 to
DP1.6
SDA/P2.3
SCLK
T1
VDD
PIN TYPE DESCRIPTION
1 I Interrupt/Test 0
2 to 9
I/O 8 bits of Port 0: 8-bit
quasi-bidirectional
I/O port
10 to 17 I/O 8 bits of Port 1: 8-bit
quasi-bidirectional
I/O port
18 I XTAL input: crystal
oscillator/external
clock input
19 O XTAL output: crystal
oscillator output
20 P ground
21 I Reset input
22 to 29 I/O Derivative Port 0:
quasi-bidirectional
I/O port (8-bit)
30 to 36 I/O Derivative Port 1:
quasi-bidirectional
I/O lines (7-bit)
37 I/O bidirectional data line
of the I2C-bus
interface; or Port 2
quasi-bidirectional
I/O port (1 bit only)
38 I/O bidirectional clock
line of the I2C-bus
interface
39 I Test 1: count input of
8-bit timer/event
counter 1
40 P positive supply
6 PARALLEL PORTS
Of the standard quasi-bidirectional I/O ports, Port 2 is
incomplete, providing only line SDA/P2.3 that is shared
with the I2C-bus interface. In addition to the standard ports,
two derivative I/O ports are available:
• Derivative Port of 8 lines (DP0.0 to DP0.7)
• Derivative Port of 7 lines (DP1.0 to DP1.6).
Missing bits of incomplete ports, i.e. P2.0 to P2.2 and
DP1.7, are fixed at zero in the corresponding registers.
7 INSTRUCTION SET
See “PCF84CXXXA family” data sheet for a complete
description of the instruction set.
1996 Nov 21
5
5 Page 
Philips Semiconductors
Microcontroller with extended I/O
Product specification
PCF84C85A
300
handbook, halfpage
IOH
(µA)
200
100
MLA599
VO = VSS
VO = 0.7VDD
handbook,1h2alfpage
IOH1
(mA)
8
4
MLA600
0
1 3 5 VDD (V) 7
Fig.11 Typical HIGH level pull-up output source
current (IOH) as a function of operating
supply voltage (VDD).
0
1 3 5 VDD (V) 7
VO = VDD− 0.4 V.
Fig.12 Typical HIGH level push-pull output source
current (IOH1) as a function of operating
supply voltage (VDD).
handbook,1h0alfpage
gm
(mS)
1
MBB242
g mH
g mM
g mL
0.1
13 5 7
VDD (V)
Fig.13 Typical transconductance (gm) as a function
of operating supply voltage (VDD) for the
options gmL, gmM and gmH.
1996 Nov 21
11
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet PCF84C85AP.PDF ] | |
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