參數(shù)資料
型號(hào): 933728070112
廠商: NXP SEMICONDUCTORS
元件分類: 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述: REAL TIME CLOCK, PDSO16
封裝: 7.50 MM, PLASTIC, MS-013, SOT-162-1, SO-16
文件頁數(shù): 4/28頁
文件大?。?/td> 136K
代理商: 933728070112
2003 Jan 27
12
Philips Semiconductors
Product specication
Clock/calendar with serial I/O
PCF8573
Acknowledgement response of the PCF8573 as slave-receiver is shown in Table 6. Note that data is only associated
with the ‘execute address’ function where C0, C1, C2 = 0, 0, 0.
Table 6
Slave receiver acknowledgement; note 1
Note
1. ‘X’ is ‘don’t care’.
To read the addressed part of the time counter and alarm register, plus information from specified control/status flags,
the BCD digits in the DATA byte are organized as shown in Table 7.
The status of the CONTROL-nibble of the MODE-POINTER-WORD (C2, C1, C0) remains unchanged until re-written.
Table 7
Organization of the BCD digits in the DATA byte; note 1
Note
1. ‘D’ is the data bit; ‘m’ = minutes; ‘s’ = seconds.
MODE POINTER
ACKNOWLEDGE ON BYTE:
ADDRESS
MODE
POINTER
DATA
BIT 8
C2C1C0
BIT 4
B2B1B0
00000
X
yes
00001
X
yes
no
0001
XXXX
yes
no
0010
XXXX
yes
no
0011
XXXX
yes
no
0100
XXXX
yes
no
0101
XXXX
yes
no
0110
XXXX
yes
no
0111
XXXX
yes
no
1
XXXXXXX
yes
no
MSB
DATA
LSB
ADDRESSED TO:
UPPER DIGIT
LOWER DIGIT
UD
UC
UB
UA
LD
LC
LB
LA
0
DDDDDD
hours
0
D
DDDDDD
minutes
0
DDDDDD
days
0
DDDDD
months
0
m
s
NODA
COMP
POWF
control/status ags
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