參數(shù)資料
型號: XE8805AMI028LF
廠商: Semtech
文件頁數(shù): 96/156頁
文件大?。?/td> 0K
描述: IC DAS 16BIT FLASH 8K MTP 64LQFP
標準包裝: 160
系列: XE880x
應(yīng)用: 感測機
核心處理器: Coolrisc816?
程序存儲器類型: 閃存(22 kB)
控制器系列: XE8000
RAM 容量: 512 x 8
接口: UART,USRT
輸入/輸出數(shù): 24
電源電壓: 2.4 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
包裝: 托盤
供應(yīng)商設(shè)備封裝: 64-LQFP(10x10)
產(chǎn)品目錄頁面: 585 (CN2011-ZH PDF)
配用: XE8000MP-ND - PROG BOARD AND PROSTART2 CARD
Semtech 2006
www.semtech.com
7-3
XE8805/05A
pos.
RegSysRcTrim1
rw
reset
Function
7-4
--
r
00
Unused
5
Reserved
rw
0 resetcold
Reserved
4
RcFreqRange
rw
0 resetcold
Low/high freq. range (low=0)
3
RcFreqCoarse[3]
rw
0 resetcold
RC coarse trim bit 3
2
RcFreqCoarse[2]
rw
0 resetcold
RC coarse trim bit 2
1
RcFreqCoarse[1]
rw
0 resetcold
RC coarse trim bit 1
0
RcFreqCoarse[0]
rw
0 resetcold
RC coarse trim bit 0
Table 7-4: RegSysRCTrim1 register
pos.
RegSysRcTrim2
Rw
reset
function
7-6
--
r
00
Unused
5
RcFreqFine[5]
rw
1 resetcold
RC fine trim bit 5
4
RcFreqFine[4]
rw
0 resetcold
RC fine trim bit 4
3
RcFreqFine[3]
rw
0 resetcold
RC fine trim bit 3
2
RcFreqFine[2]
rw
0 resetcold
RC fine trim bit 2
1
RcFreqFine[1]
rw
0 resetcold
RC fine trim bit 1
0
RcFreqFine[0]
rw
0 resetcold
RC fine trim bit 0
Table 7-5: RegSysRCTrim2 register
OSCIN
RC
Xtal
High prescaler
CpuCk
CpuSel
0
1
RegSysRcTrim1
RegSysRcTrim2
0
1
CkRc
CkXtal
EnXtal and
not(ExtClk or EnExtClk)
Low prescaler
32kHz
to
1Hz
CkRc
to
CkRc/256
External
Clock
0
1
Figure
7-1. Clock block structure
7.4
Interrupts and events map
Interrupt
Interrupt source
Mapping in the interrupt manager
Mapping in the event manager
IrqPre1
Ck128Hz
RegIrqHig(6)
RegEvn(5)
IrqPre2
Ck1Hz
RegIrqMid(3)
RegEvn(1)
Table 7-6: Interrupts and events map
Not
Recommended
for
New
Designs
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