PCF2127AT/1 NXP [NXP Semiconductors], PCF2127AT/1 Datasheet - Page 16
PCF2127AT/1
Manufacturer Part Number
PCF2127AT/1
Description
Integrated RTC, TCXO and quartz crystal
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.PCF2127AT1.pdf
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NXP Semiconductors
PCF2127A_2
Product data sheet
8.5.5.1
8.5.5.2 Reading from the RAM
8.5.5 Operation examples
Writing to the RAM
For details see
For details see
1. Set RAM address:
2. Send RAM write command:
3. Write data into the RAM:
1. Set RAM address:
2. Send RAM read command:
3. Read from the RAM:
– Select register RAM_addr_MSB (send address 1Ah).
– Set value for bit RA8 (data byte of register 1Ah).
– Set value for array RA[7:0] (data byte of register 1Bh).
– Select register RAM_wrt_cmd (send address 1Ch).
– Write n data byte into RAM.
– Select register RAM_addr_MSB (send address 1Ah).
– Set value for bit RA8 (data byte of register 1Ah).
– Set value for array RA[7:0] (data byte of register 1Bh).
– Select register RAM_rd_cmd (send address 1Dh).
– Read n data byte from the RAM.
Note: register address will be incremented automatically to 1Bh.
Note: register address will be incremented automatically to 1Bh.
Figure 44 on page
Figure 45 on page
All information provided in this document is subject to legal disclaimers.
Rev. 02 — 7 May 2010
60.
61.
Integrated RTC, TCXO and quartz crystal
PCF2127A
© NXP B.V. 2010. All rights reserved.
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