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PDF BL22P14 Fiche technique - BELLING

Numéro de référence BL22P14
Description LCD Type 8-Bit OTP MCU
Fabricant BELLING 
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BL22P14 Datasheet, Description
BL22P14
LCD Type 8-Bit OTP MCU
USER MANU
V 1 . 0 ( 2010-4-15)
上海贝岭股份有限公司
Shanghai Belling Co., Ltd.
BL22P14 Fiche technique
上海贝岭股份有限公司
Shanghai Belling Co., Ltd.
BL22P14BMU2S2EPR14MANUAL
TEL86-21-64850700 WEB: www.belling.com.cn
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BL22P14 pdf
上海贝岭股份有限公司
Shanghai Belling Co., Ltd.
BL22P14BMU2S2EPR14MANUAL
DDRA
$01 R/W 0000 0000
PB
$02 R/W
--00 0000
DDRB
$03 R/W
--00 0000
KBIM
$04 R/W 0000 1000
PBPR
$05 R/W
--00 0000
T0D $06 R/W 0000 0000
T0C
$07 R/W
00-0 0000
T1DH
$08 R/W 0000 0000
T1DL
$09 R/W 0000 0000
T1C $0A R/W 0000 0000
INTC0
$0B R/W
--00 0000
INTC1
$0C R/W
0000 0000
BZCR
$0D R/W
0000 --00
MCR1
$0E R/W
00u- --00
MCR2
$0F R/W 0000 0000
RSTFR
$10 R/W
---- rrrr
LCDD[9:0]
$79-$70 W
xxxx xxxx
LCDCON
$7A R/W 0000 0000
NOTE:
- : Not used;
x: Undefined;
u: Determined by OPBIT[4];
r: Determined by reset type
5.4 Clock
Device supplies four clock sources: Crystal oscillator, external RC, RTC and WDT. First
three clock sources can be as system clock Fsys and all can be as internal clock Fs.
5.4.1 System Clock: Fsys
System clock is main operate clock for device. It is configured by OTP OPTION BIT
FSYS1, FSYS0to select a clock source.
FSYS1FSYS0
00 / 11Fsys=Fosc/2
01Fsys=Frc/2
10Fsys=Frtc/2
5.4.2 Internal Clock: Fs
Fs is the clock of Buzzer, RTC interrupt, Time Base interrupt, LCD and Watchdog. It is
configured by OTP OPTION BITFS1, FS0to select a clock source. If RTC or WDT is
selected, device will still operate in stop mode.
FS1FS0
00 / 11Fs=Fsys
TEL86-21-64850700 WEB: www.belling.com.cn
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