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參數(shù)資料
| 型號(hào)： | 935069310112 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線控制器 |
| 英文描述： | I2C BUS CONTROLLER, PDSO20 |
| 封裝： | 7.50 MM, PLASTIC, MS-013AC, SOT-163-1, SO-20 |
| 文件頁(yè)數(shù)： | 4/10頁(yè) |
| 文件大小： | 180K |
| 代理商： | 935069310112 |
1997 Oct 21
3
Philips Semiconductors
Product specication
I2C-bus controller
PCF8584
1
FEATURES
Parallel-bus to I2C-bus protocol converter and interface
Compatible with most parallel-bus
microcontrollers/microprocessors including 8049, 8051,
6800, 68000 and Z80
Both master and slave functions
Automatic detection and adaption to bus interface type
Programmable interrupt vector
Multi-master capability
I2C-bus monitor mode
Long-distance mode (4-wire)
Operating supply voltage 4.5 to 5.5 V
Operating temperature range: 40 to +85 °C.
2
GENERAL DESCRIPTION
The PCF8584 is an integrated circuit designed in CMOS
technology which serves as an interface between most
standard parallel-bus microcontrollers/microprocessors
and the serial I2C-bus. The PCF8584 provides both master
and slave functions.
Communication with the I2C-bus is carried out on a
byte-wise basis using interrupt or polled handshake.
It controls all the I2C-bus specific sequences, protocol,
arbitration and timing. The PCF8584 allows parallel-bus
systems to communicate bidirectionally with the I2C-bus.
3
ORDERING INFORMATION
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
PCF8584P
DIP20
plastic dual in-line package; 20 leads (300 mil)
SOT146-1
PCF8584T
SO20
plastic small outline package; 20 leads; body width 7.5 mm
SOT163-1
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