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| 型號(hào)： | 71M6542G-IGT/F |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PQFP100 |
| 封裝： | LEAD FREE, LQFP-100 |
| 文件頁(yè)數(shù)： | 25/165頁(yè) |
| 文件大小： | 2208K |
| 代理商： | 71M6542G-IGT/F |
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120
2008–2011 Teridian Semiconductor Corporation
v1.1
Name
Location
Rst Wk
Dir
Description
PLL_FAST
2200[4]
0
R/W
Controls the speed of the PLL and MCK.
1 = 19.66 MHz (XTAL * 600)
0 = 6.29 MHz (XTAL * 192)
PLS_MAXWIDTH[7:0]
210A[7:0]
FF FF R/W
PLS_MAXWIDTH[7:0] determines the maximum width of the pulse (low-going
pulse if PLS_INV=0 or high-going pulse if PLS_INV=1). The maximum pulse
width is (2*PLS_MAXWIDTH[7:0] + 1)*TI. Where TI is PLS_INTERVAL[7:0] in
units of CK_FIR clock cycles. If PLS_INTERVAL[7:0] = 0 or
PLS_MAXWIDTH[7:0] = 255, no pulse width checking is performed and the
output pulses have 50% duty cycle. See 2.3.6.2 VPULSE and WPULSE.
PLS_INTERVAL[7:0]
210B[7:0]
0
R/W
PLS_INTERVAL[7:0] determines the interval time between pulses. The time
between output pulses is PLS_INTERVAL[7:0]*4 in units of CK_FIR clock
cycles. If PLS_INTERVAL[7:0] = 0, the FIFO is not used and pulses are output
as soon as the CE issues them. PLS_INTERVAL[7:0] is calculated as follows:
PLS_INTERVAL[7:0] = Floor ( Mux frame duration in CK_FIR cycles / CE pulse
updates per Mux frame / 4 )
For example, since the 71M654x CE code is written to generate 6 pulses in one
integration interval, when the FIFO is enabled (i.e., PLS_INTERVAL[7:0]
≠ 0)
and that the frame duration is 1950 CK_FIR clock cycles, PLS_INTERVAL[7:0]
should be written with Floor(1950 / 6 / 4) = 81 so that the five pulses are
evenly spaced in time over the integration interval and the last pulse is issued
just prior to the end of the interval. See 2.3.6.2 VPULSE and WPULSE.
PLS_INV
210C[0]
0
R/W
Inverts the polarity of WPULSE and VARPULSE. Normally, these pulses are
active low. When inverted, they become active high. PLS_INV has no effect
on XPULSE or YPULSE.
PORT_E
270C[5]
0
R/W
Enables outputs from the pins SEGDIO0-SEGDIO15. PORT_E = 0 after reset
and power-up blocks the momentary output pulse that would occur on
SEGDIO0 to SEGDIO15.
PRE_E
2704[5]
0
R/W Enables the 8x pre-amplifier.
PREBOOT
SFRB2[7]
–
R
Indicates that pre-boot sequence is active.
RCMD[4:0]
SFR FC[4:0]
0
R/W
When the MPU writes a non-zero value to RCMD[4:0], the IC issues a
command to the appropriate remote sensor. When the command is complete,
the IC clears RCMD[4:0].
RESET
2200[3]
0
W
When set, writes a one to WF_RSTBIT and then causes a reset.
RFLY_DIS
210C[3]
0
R/W
Controls how the IC drives the power pulse for the 71M6x01. When set, the
power pulse is driven high and low. When cleared, it is driven high followed
by an open circuit fly-back interval.
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| 71M6541G-IGT/F | SPECIALTY ANALOG CIRCUIT, PQFP64 |
| 71M6541F-IGT/F | SPECIALTY ANALOG CIRCUIT, PQFP64 |
| 71M6543F-IGT/F | SPECIALTY ANALOG CIRCUIT, PQFP100 |
| 71M6543H-IGTR/F | SPECIALTY ANALOG CIRCUIT, PQFP100 |
| 71M6543F-IGTR/F | SPECIALTY ANALOG CIRCUIT, PQFP100 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 71M6542G-IGTR/F | 制造商:Maxim Integrated Products 功能描述:- Tape and Reel |
| 71M6542GT-IGT/F | 制造商:Maxim Integrated Products 功能描述:1-PHASE, 128KB, PRES TEMP SENSOR - Bulk |
| 71M6542GT-IGTR/F | 制造商:Maxim Integrated Products 功能描述:1-PHASE, 128KB, PRES TEMP SENSOR - Tape and Reel |
| 71M6543F | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Selectable Gain of 1 or 8 for One Current Energy Meter ICs Metrology Compensation |
| 71M6543F-DB | 功能描述:開發(fā)板和工具包 - 8051 71M6543 Eval Kit RoHS:否 制造商:Silicon Labs 產(chǎn)品:Development Kits 工具用于評(píng)估:C8051F960, Si7005 核心: 接口類型:USB 工作電源電壓: |
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