CMS69FXXD
CMS69FXXD
10BIT-AD MCU
V2.0
()
,、 。
www.mcu.com.cn - 1 - Ver 2.0
CMS69FXXD
CMS69FXXD
1, P2.2(RES )...
CMS69FXXD
CMS69FXXD
10BIT-AD MCU
V2.0
()
,、 。
www.mcu.com.cn - 1 - Ver 2.0
CMS69FXXD
CMS69FXXD
1, P2.2(RES ), 3K (VDD=5V 3K,VDD=6V 10K)。, VDD VDD。
2, P2.0 (),,(
PNP )。
3, AD VDD 2.5V , AD “”, VDD 1.8V-2.5V , AD ,。 AD 。:
AD_WAIT:
AD_ERR: AD_OK:
LDIA LD LDIA LD SETB NOP NOP NOP CLRB
SZB JP SZDECR JP
… JP
… JP
04H ADCON,A D’40’ COUNT,A ADCON,CONV
ADCON,CONV
ADCON,EOCB AD_OK COUNT AD_WAIT
XXXX
XXXX
; AD , AD 4 ;COUNT RAM
; AD
; 5*40=200 ;200 AD ;AD ;AD
4, CMS69FXXD CMS69PXXD :
Res PC
CMS69PXXD 8M/4M 70K
CMS69FXXD 8M
00H
www.mcu.com.cn - 2 - Ver 2.0
CMS69FXXD
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