参数资料
型号: ST16C552ACJ68TR-F
厂商: Exar Corporation
文件页数: 2/39页
文件大小: 0K
描述: IC UART FIFO 16B DUAL 68PLCC
标准包装: 250
特点: *
通道数: 2,DUART
FIFO's: 16 字节
规程: 打印机
电源电压: 2.97 V ~ 5.5 V
带并行端口:
带故障启动位检测功能:
带调制解调器控制功能:
带CMOS:
安装类型: 表面贴装
封装/外壳: 68-LCC(J 形引线)
供应商设备封装: 68-PLCC
包装: 带卷 (TR)
10
ST16C552/552A
Rev. 3.40
Table 4, INTERNAL REGISTER DECODE
A2
A1
A0
READMODE
WRITE MODE
General Register Set (THR/RHR, IER/ISR, MCR/MSR, LCR/LSR, SPR): Note 1*
0
Receive Holding Register
Transmit Holding Register
0
1
Interrupt Enable Register
0
1
0
Interrupt Status Register
FIFO Control Register
0
1
Line Control Register
1
0
Modem Control Register
1
0
1
Line Status Register
1
0
Modem Status Register
1
Scratchpad Register
Baud Rate Register Set (DLL/DLM): Note *2
0
LSB of Divisor Latch
0
1
MSB of Divisor Latch
Printer Port Set (PR/SR/IOSEL/COM/CON): Note *3
X
0
PORT REGISTER
X
0
1
STATUS REGISTER
I/O SELECT REGISTER
X
1
0
COMMAND REGISTER
CONTROLREGISTER
Note 1* The General Register set is accessible only when CS A or CS B is a logic 0.
Note 2* The Baud Rate register set is accessible only when CS A or CS B is a logic 0 and LCR bit-7 is a logic 1.
Note 3*: Printer Port Register set is accessible only when -CSP is a logic 0 in conjunction with the states of the
interface signal BIDEN and Printer Control Register bit-5 or IOSEL register.
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