MCP1631RD-DCPC1 Microchip Technology, MCP1631RD-DCPC1 Datasheet - Page 121
MCP1631RD-DCPC1
Manufacturer Part Number
MCP1631RD-DCPC1
Description
REF DES BATT CHARG OR LED DRIVER
Manufacturer
Microchip Technology
Datasheets
1.PIC16F616T-ISL.pdf
(214 pages)
2.MCP1631VHVT-330EST.pdf
(34 pages)
3.MCP1631VHVT-330EST.pdf
(32 pages)
Specifications of MCP1631RD-DCPC1
Current - Output / Channel
700mA
Outputs And Type
1, Non-Isolated
Features
Firmware for Li-Ion, NiMH, and NiCd Battery Charger
Voltage - Input
3.5 ~ 16 V
Utilized Ic / Part
MCP1631HV, PIC16F616
Core Chip
MCP1631HV, PIC16F616
Topology
Parallel, Series
Output Current
1A
No. Of Outputs
1
Input Voltage
3.5V To 16V
Dimming Control Type
Analog
Kit Contents
Board
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- MCP1631VHVT-330EST PDF datasheet #2
- MCP1631VHVT-330EST PDF datasheet #3
- Current page: 121 of 214
- Download datasheet (4Mb)
12.5
During an interrupt, only the return PC value is saved
on the stack. Typically, users may wish to save key
registers during an interrupt (e.g., W and STATUS
registers). This must be implemented in software.
Temporary
STATUS_TEMP should be placed in the last 16 bytes
of GPR (see Figure 2-4). These 16 locations are
common to all banks and do not require banking. This
makes context save and restore operations simpler.
The code shown in Example 12-1 can be used to:
• Store the W register
• Store the STATUS register
• Execute the ISR code
• Restore the Status (and Bank Select Bit register)
• Restore the W register
EXAMPLE 12-1:
© 2009 Microchip Technology Inc.
Note:
MOVWF
SWAPF
MOVWF
:
:(ISR)
:
SWAPF
MOVWF
SWAPF
SWAPF
Context Saving During Interrupts
The PIC16F610/616/16HV610/616 does
not require saving the PCLATH. However,
if computed GOTO’s are used in both the
ISR and the main code, the PCLATH must
be saved and restored in the ISR.
holding
W_TEMP
STATUS,W
STATUS_TEMP
STATUS_TEMP,W
STATUS
W_TEMP,F
W_TEMP,W
SAVING STATUS AND W REGISTERS IN RAM
registers
W_TEMP
;Copy W to TEMP register
;Swap status to be saved into W
;Swaps are used because they do not affect the status bits
;Save status to bank zero STATUS_TEMP register
;Insert user code here
;Swap STATUS_TEMP register into W
;(sets bank to original state)
;Move W into STATUS register
;Swap W_TEMP
;Swap W_TEMP into W
PIC16F610/616/16HV610/616
and
DS41288F-page 121
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