XE8801AMI027LF Semtech, XE8801AMI027LF Datasheet - Page 98

• Manufacturer Part Number: XE8801AMI027LF
• Description: IC DAS 16BIT FLASH 8K MTP 44LQFP
• Manufacturer: Semtech

Specifications of XE8801AMI027LF

• Applications: Sensing Machine
• Core Processor: RISC
• Program Memory Type: FLASH (22 kB)
• Controller Series: XE8000
• Ram Size: 512 x 8
• Interface: UART, USRT
• Number Of I /o: 24
• Voltage - Supply: 2.4 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-LQFP
• For Use With: XE8000MP - PROG BOARD AND PROSTART2 CARD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

16.7.3
The over-sampling ratio (OSR) defines the number of integration cycles per elementary conversion. Its value is set
with the word SET_OSR[2:0] in power of 2 steps (see Table 16-20) given by:
16.7.4
As mentioned previously, the whole conversion sequence is made of a set of N
conversions. This number is set with the word SET_NELC[1:0] in power of 2 steps (see Table 16-21) given by:
© Semtech 2005
OSR
N
ELCONV
Over-Sampling Ratio
Elementary Conversions
=
2
3
=
+
2
SET_OSR[2
SET_NELC[1
:
0]
:
0]
(RegAcCfg0[4:2])
SET_OSR[2:0]
Table 16-20 Over-sampling ratio settings
(-)
(-)
000
001
010
011
100
101
110
111
Over-Sampling Ratio
16-13
OSR (-)
1024
128
256
512
16
32
64
8
(Eq. 13)
(Eq. 14)
XE8801A – SX8801R
ELCONV
elementary incremental
www.semtech.com