参数资料
型号: SC28C94A1A,512
厂商: NXP Semiconductors
文件页数: 21/39页
文件大小: 0K
描述: IC UART QUAD W/FIFO 52-PLCC
产品培训模块: Stand-Alone UARTs
标准包装: 23
特点: 故障启动位检测
通道数: 4,QUART
FIFO's: 8 字节
电源电压: 5V
带自动流量控制功能:
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: 52-LCC(J 形引线)
供应商设备封装: 52-PLCC(19.2x19.2)
包装: 管件
产品目录页面: 828 (CN2011-ZH PDF)
其它名称: 568-3993-5
935262534512
SC28C94A1A
SC28C94A1A-ND
Philips Semiconductors
Product data sheet
SC28C94
Quad universal asynchronous receiver/transmitter (QUART)
2006 Aug 09
28
AC ELECTRICAL CHARACTERISTICS
VCC = 5 V ± 10 %, TA = –40 _C to +85 _C, unless otherwise specified.
NO
FIGURE
CHARACTERISTIC
LIMITS
UNIT
NO.
FIGURE
CHARACTERISTIC
Min
Typ
Max
UNIT
1
6
D[7:0] Valid after IACKN Low
65
ns
2
6
DACKN Low after IACKN Low
0 + 2
X1 edges1
30 + 3
X1 edges1
ns
3
6
D[7:0] floating after IACKN High
0
15
ns
4
6
DACKN High after IACKN High
0
15
ns
5
6
IACKN High after IACKN Low
30
ns
NOTE:
1. Consecutive write operations to the upper four bits of the Command Register (CR) require at least three X1/CLK edges; four X1/CLK edges
in the ‘X1/CLK divide by 2 edges’ according to register 2Eh or 2Fh setting.
IRQN
IACKN
D[7:0]
DACKN
1
5
2
3
4
SD00165
NOTE: Rise time of IRQN is dependent on external circuit.
Figure 6. Interrupt Knowledge (IACKN) Timing
OSC/N
EVAL/HOLD
IACKN
CIR
VALUE FOR THIS INTERRUPT
SD00166
Figure 7. Interrupt Bid Arbitration Timing
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