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PIC16F15213 Datasheet(PDF) 119 Page - Microchip Technology

Part # PIC16F15213
Description  PIC16F15213/14/23/24/43/44 Low Pin Count Microcontrollers
PDF  439 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F15213 Datasheet(HTML) 119 Page - Microchip Technology

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Note: 
1.
See Figure 15-1.
15.1.2.8 WRERR Bit
The WRERR bit can be used to determine if a write error occurred. WRERR will be set if one of the following
conditions occurs:
• If WR is set while the NVMADRH:NMVADRL points to a write-protected address
• A Reset occurs while a self-write operation was in progress
• An unlock sequence was interrupted
The WRERR bit is normally set by hardware, but can be set by the user for test purposes. Once set, WRERR must
be cleared in software.
Table 15-3. Actions for PFM When WR = 1
Free LWLO
Actions for PFM when WR = 1
Comments
1
x
Erase the 32-word row of
NVMADRH:NVMADRL location.
• If WP is enabled, WR is cleared and WRERR is set
• All 32 words are erased
• NVMDATH:NVMDATL is ignored
0
1
Copy NVMDATH:NVMDATL to the write
latch corresponding to NVMADR LSBs.
• Write protection is ignored
• No memory access occurs
0
0
Write the write-latch data to PFM row.
• If WP is enabled, WR is cleared and WRERR is set
• Write latches are reset to 0x3FFF
• NVMDATH:NVMDATL is ignored
15.2
Register Definitions: Nonvolatile Memory Control
PIC16F15213/14/23/24/43/44
NVM - Nonvolatile Memory Control
© 2020-2022 Microchip Technology Inc.
and its subsidiaries
Data Sheet
DS40002195E-page 119



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