XE8807AMI026TLF Semtech, XE8807AMI026TLF Datasheet - Page 45
XE8807AMI026TLF
Manufacturer Part Number
XE8807AMI026TLF
Description
IC MCU LOW PWR MTP FLASH 32-TQFP
Manufacturer
Semtech
Datasheet
1.XE8807AMI026TLF.pdf
(143 pages)
Specifications of XE8807AMI026TLF
Applications
Sensing Machine
Core Processor
RISC
Program Memory Type
FLASH (11 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
32-TQFP, 32-VQFP
For Use With
XE8000MP - PROG BOARD AND PROSTART2 CARD
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
XE8807AMI026TR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
XE8807AMI026TLF
Manufacturer:
IDT
Quantity:
62
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Figure 7-2. RC oscillator nominal frequency tuning.
7.6.3
Table 7-8. RC oscillator specifications
Note 1: this is the frequency tolerance when all trimming codes are 0. The frequency at start-up is about twice as
high.
Note 2: frequency shift as a function of VBAT with normal regulator function.
Note 3: frequency shift as a function of VBAT while the regulator is short-circuited to VBAT.
The tolerances on the minimal frequency and the drift with supply or temperature can be cancelled using the
software or hardware DFLL (digital frequency locked loop) which uses the crystal oscillator as a reference
frequency.
© Semtech 2006
sym
f
RcFreqFine
RC_su
PSRR @ DC
∆f/∆T
RCmin
1E+07
1E+06
1E+05
1E+04
RC oscillator specifications
description
Lowest RC frequency
fine tuning step
startup time
Supply voltage
dependence
Temperature
dependence
RcFreqFine(5:0)
0000
RcFreqRange='1'
RcFreqRange='0'
0001
min
25
TBD
TBD
typ
1.4
0.1
40
30
3
7-6
0011
max
2.0
55
50
5
unit
kHz
%
us
us
%/V
%/V
%/°C
0111
Comments
Note 1
BiasRc=0
BiasRc=1
Note 2
Note 3
XE8806A/XE8807A
RcFreqCoarse(3:0)
RcFreqFine(5:0)
1111
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