XE8801AMI000WP Semtech, XE8801AMI000WP Datasheet - Page 43
XE8801AMI000WP
Manufacturer Part Number
XE8801AMI000WP
Description
SENSING MACHINE WITH 16 + 10 BIT
Manufacturer
Semtech
Datasheet
1.XE8801AMI027LF.pdf
(135 pages)
Specifications of XE8801AMI000WP
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
Die
For Use With
XE8000MP - PROG BOARD AND PROSTART2 CARD
Other names
Q2722595
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© Semtech 2005
OSCIN
EnXtal and
not(ExtClk or EnExtClk)
7-4
5
4
3
2
1
0
7-6
5
4
3
2
1
0
pos.
pos.
RC
External
Clock
Xtal
--
Reserved
RcFreqRange
RcFreqCoarse[3]
RcFreqCoarse[2]
RcFreqCoarse[1]
RcFreqCoarse[0]
--
RcFreqFine[5]
RcFreqFine[4]
RcFreqFine[3]
RcFreqFine[2]
RcFreqFine[1]
RcFreqFine[0]
RegSysRcTrim1
RegSysRcTrim2
CkRc
CkXtal
0
1
RegSysRcTrim1
RegSysRcTrim2
CpuSel
0
1
r
rw
rw
rw
rw
rw
rw
r
rw
rw
rw
rw
rw
rw
Table 7-4: RegSysRCTrim1 register
Table 7-5: RegSysRCTrim2 register
Rw
rw
Figure 7-1. Clock block structure
00
0 resetcold
0 resetcold
0 resetcold
0 resetcold
0 resetcold
0 resetcold
00
1 resetcold
0 resetcold
0 resetcold
0 resetcold
0 resetcold
0 resetcold
High prescaler
reset
reset
7-3
Unused
Reserved
Low/high freq. range (low=0)
RC coarse trim bit 3
RC coarse trim bit 2
RC coarse trim bit 1
RC coarse trim bit 0
Unused
RC fine trim bit 5
RC fine trim bit 4
RC fine trim bit 3
RC fine trim bit 2
RC fine trim bit 1
RC fine trim bit 0
0
1
Low prescaler
Function
function
XE8801A – SX8801R
CkRc/256
32kHz
CkRc
1Hz
CpuCk
to
to
www.semtech.com
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