参数资料
| 型号： | ST78C36ACJ44-F |
| 厂商： | Exar Corporation |
| 文件页数： | 24/27页 |
| 文件大小： | 0K |
| 描述： | IC UART FIFO 16B 44PLCC |
| 标准包装： | 27 |
| 特点： | * |
| FIFO's： | 16 字节 |
| 规程： | 打印机 |
| 电源电压： | 5V |
| 带并行端口： | 是 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 44-LCC（J 形引线） |
| 供应商设备封装： | 44-PLCC（16.59x16.59） |
| 包装： | 管件 |
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ST78C36/36A
6
ECP/EPP PARALLEL PRINTER PORT WITH 16-BYTE FIFO
REV. 5.1.0
2.0 STANDARD DEFINITIONS
Forward direction only.
■ Compatible Mode: “Centronics” or standard mode.
Reverse direction only.
■ Nibble mode: 4 bits at a time using status lines for data “Hewlett Packard Bi-tronics”.
Bi-directional.
■ EPP: Enhanced Parallel port-used primarily by non-printer peripherals.
■ ECP: Extended Capability Port-used primarily by new generation of printers and scanners.
3.0 INTERNAL REGISTERS
3.1
DATA REGISTER (DATA )
DATA Bits 7-0:
For host output cycles in SPP mode (ECR mode 000) or PS/2 mode (ECR mode 001), data from the host is
registered at the trailing edge of -IOW. On host input cycles, data at the peripheral port is passed through to
the host data bus.
3.2
ECP FIFO ADDRESS ( ECP-AFIFO )
ECP-AFIFO Bits 7-0:
This port is only available for programmed I/O (non-DMA), and only has significance for host write. Data
written to this port is stored in the FIFO if FIFO-F = 0 and will be lost if FIFO-F = 1. A 9th FIFO bit (tag) is set
low on write. A read from this port is the same as a read at 400.
3.3
STATUS REGISTER ( DSR )
This status register is read-only except for bit-0, and all bits are latched for the duration of -IOR.
DSR Bit-0:
If EPP mode is not selected, this bit returns logic one. During EPP mode, bit-0 will return a high if the EPP 10
msecond TimeOut elapsed during the last EPP read or write cycle (this TimeOut also aborts the EPP cycle).
This status bit is cleared by exiting EPP mode or by the host writing a high to bit-0 of this register.
DSR Bits 2-1:
Reserved, logic one.
DSR Bit-3:
The true state of the -ERROR pad.
DSR Bit-4:
The true state of the SLCT pad.
DSR Bit-5:
The true state of the PE(mpty) pad.
DSR Bit-6:
The true state of the -ACK pad.
DSR Bit-7:
The complement of the BUSY pad.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ST78C36ACJ44TR-F | 制造商:Exar Corporation 功能描述:UART 1-CH 16Byte FIFO 5V 44-Pin PLCC T/R 制造商:Exar Corporation 功能描述:ST78C36ACJ44TR-F |
| ST78C36CJ-0A-EVB | 功能描述:界面开发工具 Supports 78C36 44 ld PLCC, ISA Interface RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| ST78C36CJ44 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Peripheral Interface |
| ST78C36CJ44F | 制造商:N/A 功能描述:NEW |
| ST78C36CJ44-F | 功能描述:接口 - 专用 UART RoHS:否 制造商:Texas Instruments 产品类型:1080p60 Image Sensor Receiver 工作电源电压:1.8 V 电源电流:89 mA 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:BGA-59 |
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