參數(shù)資料
型號(hào)： 80C453
廠商： NXP Semiconductors N.V.
英文描述： CMOS single-chip 8-bit microcontrollers
中文描述： CMOS單芯片8位微控制器
文件頁(yè)數(shù)： 1/23頁(yè)
文件大?。?/td> 262K
代理商： 80C453
Philips Semiconductors
Preliminary specification
80C453/83C453/87C453
CMOS single-chip 8-bit microcontrollers
3-311
1996 Aug 15
DESCRIPTION
The Philips 8XC453 is an I/O expanded single-chip microcontroller
fabricated with Philips high-density CMOS technology. Philips
epitaxial substrate minimizes latch-up sensitivity.
The 8XC453 is a functional extension of the 87C51 microcontroller
with three additional I/O ports and four I/O control lines. The 8XC453
is available in 68-pin LCC packages. Four control lines associated
with port 6 facilitate high-speed asynchronous I/O functions.
The 87C453 includes an 8k
×
8 EPROM, a 256
×
8 RAM, 56 I/O
lines, two 16-bit timer/counters, a seven source, two priority level,
nested interrupt structure, a serial I/O port for either a full duplex
UART, I/O expansion, or multi-processor communications, and
on-chip oscillator and clock circuits.
The 87C453 has two software selectable modes of reduced activity
for further power reduction; idle mode and power-down mode. Idle
mode freezes the CPU while allowing the RAM, timers, serial port,
and interrupt system to continue functioning. Power-down mode
freezes the oscillator, causing all other chip functions to be
inoperative while maintaining the RAM contents.
FEATURES
80C51 based architecture
Seven 8-bit I/O ports
Port 6 features:
–
Eight data pins
–
Four control pins
–
Direct MPU bus interface
–
ISA Bus Interface
–
Parallel printer interface
–
IBF and OBF interrupts
–
A flag latch on host write
On the microcontroller:
–
8k
×
8 EPROM
Quick pulse programming algorithm
Two-level program security system
–
256
×
8 RAM
–
Two 16-bit counter/timers
–
Two external interrupts
External memory addressing capability
–
64k ROM and 64k RAM
Low power consumption:
–
Normal operation: less than 24mA at 5V, 16MHz
–
Idle mode
–
Power-down mode
Reduced EMI
Full-duplex enhanced UART
–
Framing error detection
–
Automatic address recognition
LCC PIN FUNCTIONS
LCC
9
1
61
10
26
60
44
27
43
Pin
Function
EA/V
PP
P2.0/A8
P2.1/A9
P2.2/A10
P2.3/A11
P2.4/A12
P2.5/A13
P2.6/A14
P2.7/A15
P0.7/AD7
P0.6/AD6
P0.5/AD5
P0.4/AD4
P0.3/AD3
P0.2/AD2
P0.1/AD1
P0.0/AD0
V
CC
P4.7
P4.6
P4.5
P4.4
P4.3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
Pin
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
Function
P4.2
P4.1
P4.0
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
RST
P3.0/RxD
P3.1/TxD
P3.2/INTO
P3.3/INT1
P3.4/T0
P3.5/T1
P3.6/WR
P3.7/RD
P5.0
P5.1
P5.2
Pin
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
Function
P5.3
P5.4
P5.5
P5.6
P5.7
XTAL2
XTAL1
V
SS
ODS
IDS
BFLAG
AFLAG
P6.0
P6.1
P6.2
P6.3
P6.4
P6.5
P6.6
P6.7
PSEN
ALE/PROG
SU00157
相關(guān)PDF資料
PDF描述
80C51RA 8-bit CMOS (low voltage, low power and high speed) microcontroller families
80C51 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless low voltage 2.7V.5.5V, low power, high speed 33 MHz
80C51FA XLR Style Audio Connector; Mounting Type:In-Line; Gender:Male-Female Adapter; Approval Bodies:CE; Body Material:Brass; Series:F
80C51X2 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage 2.7 to 5.5 V, low power, high speed 30/33 MHz
80C51FAMILY 80C51 8-bit microcontroller family
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