FIGURE 1. TYPICAL APPLICATION USING DUAL RESET FUNCTION AND WATCHDOG TIMER
2028-02 4/24/98
2
SMS2916
Preliminary
+5VDC
RST
SMS 2916
WDI
Vcc
RESET
RESET
Z80
I/O
I/O
NC
SCL
GND SDA
FIGURE 2. TYPICAL APPLICATION CONFIGURATION USING SYSTEM DECODE LOGIC TO RESET WDI
CAPACITANCE
T
A
= 25°C, f = 100KHz
Symbol
C
IN
L
OUT
Parameter
Input Capacitance
Output Capacitance
Max
5
8
Units
pF
pF
2028 PGM T2..0
t
R
t
F
t
H IGH
t
LOW
t
SU:STO
SCL
t
SU:SDA
t
HD:SDA
t
HD:DAT
t
SU:DAT
t
BUF
SDA In
t
DH
t
AA
SDA Out
2028 ILL5.0
FIGURE 3. BUS TIMING
Decoder
2028 ILL4.1
2028-02 4/24/98
3
SMS2916
Preliminary
ABSOLUTE MAXIMUM RATINGS
Temperature Under Bias
............................................................................................................................... -40°C to +85°C
Storage Temperature
..................................................................................................................................... -65°C to +125°C
Soldering Temperature (less than 10 seconds) ................................................................................................................... 300°C
Supply Voltage ............................................................................................................................................................. 0 to 6.5V
Voltage on Any Pin ....................................................................................................................................... -0.3V to V
CC
+0.3V
ESD Voltage (JEDEC method) .......................................................................................................................................... 2,000V
NOTE: These are STRESS ratings only. Appropriate conditions for operating these devices are given elsewhere in this specification. Stresses
beyond those listed here may permanently damage the part. Prolonged exposure to maximum ratings may affect device reliability.
目前医疗监护中无法动态掌握患者信息,一旦患者病情恶化,无法在第一时间实施抢救,对数据信息维护效率低。 文中首先阐述了蓝牙技术及其在医疗监护中应用的可行性,然后设计了系统框架,给出了具体功能,BlueTooth Wireless Communication Technology Application in Medical Monitoring包括数据采集和语音报警,最后对蓝牙信号在传输...[详细]
Yamaha Motor Group旗下的i-PULSE有限公司日前已与华尔莱科技(Valor)结为合作伙伴关系,基于Valor的vPlan生产规划工具向i-PULSE组装设备的使用者提供完整的从设计到制造的NPI解决方案。在近期日本东京举办的Protec展会(6/11-6/13)上,i-PULSE首度展出了该新产品并将直接向其客户进行销售。 新产品的名称为“iPlan”,它将提供一系...[详细]