参数资料
型号: DS80C400-FNY
厂商: Maxim Integrated Products
文件页数: 16/97页
文件大小: 0K
描述: IC MCU 75MHZ 16MB HP 100-LQFP
产品培训模块: Lead (SnPb) Finish for COTS
产品变化通告: Product Discontinuation 20/Feb/2012
标准包装: 90
系列: 80C
核心处理器: 8051
芯体尺寸: 8-位
速度: 75MHz
连通性: 1 线,CAN,EBI/EMI,以太网,SIO,UART/USART
外围设备: 电源故障复位,WDT
输入/输出数: 64
程序存储器容量: 64KB(64K x 8)
程序存储器类型: ROM
RAM 容量: 1K x 8
电压 - 电源 (Vcc/Vdd): 1.62 V ~ 3.6 V
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 100-LQFP
包装: 托盘
配用: DS80C400-KIT#-ND - EVAL KIT FOR DS80C400
DS80C400 Network Microcontroller
23 of 97
OWSTP
PIN TIMING CHARACTERISTICS (Note 1)
(VCC3 = 3.0V to 3.6V, VCC1 = 1.8V ±10%, TA = -40°C to +85°C.)
PARAMETER
SYMBOL
STANDARD
OVERDRIVE
UNITS
MIN
MAX
MIN
MAX
Active Time for Presence Detect
tON1
6.4
8
0.8
1
s
Active Time for Presence Detect Recovery
tON2
8
10
8
10
s
Active Time for Write 1 Recovery (Notes 2, 3)
tON3
51.2
64
7.2
9
s
Active Time for Write 0 Recovery (Notes 2, 3)
tON4
6.4
8
0.8
1
s
Delay Time for Presence Detect
tDLY1
0.8
1
0.8
1
s
Delay Time for Presence Detect Recovery (Note 4)
tDLY2
399.2
499
31.2
39
s
Delay Time for Write 1/Write 0 Recovery
tDLY3
0.8
1
0.8
1
s
Turn-Off Time for 1-Wire Reset
tOFF1
1.6
2
1.6
2
s
Turn-Off Time for Write 1/Write 0 (Note 5)
tOFF2
0.8
1
0.8
1
s
Note 1: Specifications to -40°C are guaranteed by design and not production tested.
Note 2: There is no OWSTP timing difference for sending out and receiving bits within a byte. The difference comes when the last bit of the byte
has been completely sent. At this point, the signal is either enabled continuously until the next reset or time slot begins, or enabled only
for active time write 1 or write 0.
Note 3: When performing a read versus a write time slot, the master provides the same active time for write 1 and write 0. However, the
Schmitt-triggered input from the OW line is sensed every 1s for a high value. If OW is high, the OWSTP signal is enabled. If the OW
line is low, the OWSTP signal remains disabled until a high state is sensed. In all write time slots, a high is sensed immediately.
Note 4: This parameter is the time delay until the master begins to monitor the OW pin level. If the line is already high, then OWSTP is enabled.
If not, it waits to enable OWSTP until the next state machine clock (1s or 50ns) after the OW line recovers.
Note 5: The very first bit in a byte has an extended turn-off time of 4s because of the order of states that the 1-Wire master state machine
must go through.
OWSTP PIN TIMING
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