參數(shù)資料
型號: XE8000EV104
廠商: Semtech
文件頁數(shù): 57/156頁
文件大小: 0K
描述: EVAL BOARD FOR XE8805AMI028LF
標準包裝: 1
類型: MCU
適用于相關產(chǎn)品: XE88LC05AMI028
所含物品: 完全組裝的評估板
Semtech 2006
www.semtech.com
2-5
XE8805/05A
0
2.15
2.4
3.3
VBAT (V)
CPU
parallel and serial ports
RC and crystal oscillator
VLD
Counters and PWM
DAS (without amplifier)
acquisition chain
voltage multiplier
DAB
Figure 2-4. Operation range of the different circuit blocks
2.4
Current consumption
The tables below give the current consumption for the circuit in different configurations. The figures are indicative
only and may change as a function of the actual software implemented in the circuit.
Table 2-5 gives the current consumption for the flash version of the circuit. The peripherals are disabled. The
parallel ports A and B are configured in input with pull up, the parallel port C is configured as an output. Their pins
are not connected externally. The pin RESET is connected to VSS and the pin VPP/TEST is connected to VBAT.
The inputs of the acquisition chain are connected to VSS.
Table 2-5. Typical current consumption of the XE8805 version (8k instructions flash memory)
Operation mode
CPU
RC
Xtal
Consumption
comments
Note
High speed CPU
1 MIPS
1 MHz
Off
310
A
2.4V<>5.5V, 27
°C
Low power CPU
32 kIPS
Off
32 kHz
10
A
2.4V <>5.5V, 27
°C
Low power time
keeping
HALT
Off
32 kHz
1.0
A
2.4V <>5.5V, 27
°C
Fast
wake-up
time keeping
HALT
Ready
32kHz
1.7
A
2.4V <>5.5V, 27
°C
Immediate wake-
up time keeping
HALT
100 kHz
Off
1.4
A
2.4V <>5.5V, 27
°C
VLD static current
15
A
2.4V <>5.5V, 27
°C
16 bit resolution
data acquisition
HALT
2 MHz
Off
190
A
3.0V, 27
°C
1
12 bit , gain 100,
data acquisition
HALT
2 MHz
Off
460
A
3.0V, 27
°C
2
1.
PGA disabled, ADC enabled, 16 bit resolution
2.
PGA 1 disabled, PGA 2 and 3 enabled, ADC enabled, 12 bit resolution
For more information concerning the current consumption of the zoomingADC
TM, see the chapter power
consumption in the acquisition chain documentation which shows the current consumption of this block as a
function of temperature and voltage and for different configurations of the PGA and ADC.
The power consumption of the ROM version of the circuit is identical if it is configured as shown in Figure 2-2. In
the high speed configuration, the current consumption will increase proportional with VBAT.
Not
Recommended
for
New
Designs
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