pcf8523u/12aa/1 NXP Semiconductors, pcf8523u/12aa/1 Datasheet - Page 8

• Manufacturer Part Number: pcf8523u/12aa/1
• Description: Pcf8523 Real-time Clock Rtc And Calendar
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 4.
Bit positions labeled as - are not implemented and will return a 0 when read. Bit T must always be written with logic 0.
PCF8523
Product data sheet
Address Register name
CLOCKOUT and timer registers
0Fh
10h
11h
12h
13h
Tmr_CLKOUT_ctrl
Tmr_A_freq_ctrl
Tmr_A_reg
Tmr_B_freq_ctrl
Tmr_B_reg
Registers overview
…continued
TIMER_B_VALUE[7:0]
Bit
7
TAM
-
TIMER_A_VALUE[7:0]
-
All information provided in this document is subject to legal disclaimers.
6
TBM
-
TBW[2:0]
Rev. 2 — 27 January 2011
5
COF[2:0]
-
4
-
3
-
-
Real-Time Clock (RTC) and calendar
2
TAC[1:0]
TAQ[2:0]
TBQ[2:0]
1
PCF8523
© NXP B.V. 2011. All rights reserved.
0
TBC
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