參數(shù)資料
型號: PCF84C85AT
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: Microcontroller with extended I/O
中文描述: 8-BIT, MROM, MICROCONTROLLER, PDSO40
文件頁數(shù): 5/20頁
文件大?。?/td> 115K
代理商: PCF84C85AT
1996 Nov 21
5
Philips Semiconductors
Product specification
Microcontroller with extended I/O
PCF84C85A
5
PINNING INFORMATION
5.1
Pinning
Fig.2 Pin configuration.
handbook, halfpage
1
2
3
4
5
6
7
8
9
10
11
12
13
40
39
38
37
36
35
34
33
32
31
30
29
28
27
14
15
16
17
18
19
20
21
22
23
24
25
26
PCF84C85A
P0.0
P0.1
P0.2
P0.3
P0.4
VDD
T1
SCLK
SDA / P2.3
DP1.6
DP1.5
DP1.4
DP1.3
DP1.2
DP1.1
DP1.0
DP0.7
DP0.6
P0.5
P0.6
P0.7
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
XTAL1
XTAL2
VSS
RESET
DP0.0
DP0.1
DP0.2
DP0.3
DP0.4
DP0.5
MLA597
INT / T0
5.2
Pin description
Table 1
DIP40 and VSO40 packages.
SYMBOL
PIN
TYPE
DESCRIPTION
INT/T0
P0.0 to P0.7
1
I
Interrupt/Test 0
8 bits of Port 0: 8-bit
quasi-bidirectional
I/O port
8 bits of Port 1: 8-bit
quasi-bidirectional
I/O port
XTAL input: crystal
oscillator/external
clock input
XTAL output: crystal
oscillator output
ground
Reset input
Derivative Port 0:
quasi-bidirectional
I/O port (8-bit)
Derivative Port 1:
quasi-bidirectional
I/O lines (7-bit)
bidirectional data line
of the I
2
C-bus
interface; or Port 2
quasi-bidirectional
I/O port (1 bit only)
bidirectional clock
line of the I
2
C-bus
interface
Test 1: count input of
8-bit timer/event
counter 1
positive supply
2 to 9
I/O
P1.0 to P1.7
10 to 17
I/O
XTAL1
18
I
XTAL2
19
O
V
SS
RESET
DP0.0 to
DP0.7
20
21
P
I
22 to 29
I/O
DP1.0 to
DP1.6
30 to 36
I/O
SDA/P2.3
37
I/O
SCLK
38
I/O
T1
39
I
V
DD
40
P
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 I
2
C-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.
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