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SN8F27E64LKB Datasheet(PDF) 73 Page - SONiX Technology Company

Part # SN8F27E64LKB
Description  8-Bit Flash Micro-Controller with Embedded ICE and ISP
PDF  192 Pages
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Manufacturer  SONIX [SONiX Technology Company]
Direct Link  http://www.sonix.com.tw
Logo SONIX - SONiX Technology Company

SN8F27E64LKB Datasheet(HTML) 73 Page - SONiX Technology Company

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SN8F27E60 Series
8-Bit Flash Micro-Controller with Embedded ICE and ISP
SONiX TECHNOLOGY CO., LTD
Page 73
Version 1.4
6.10 TC2 INTERRUPT OPERATION
When the TC2C counter overflows, the TC2
IRQ will be set to “1” no matter the TC2IEN is enable or disable. If the
TC2IEN and the trigger event TC2
IRQ is set to be “1”. As the result, the system will execute the interrupt vector. If the
TC2IEN = 0, the trigger event TC2
IRQ is still set to be “1”. Moreover, the system won’t execute interrupt vector even
when the TC2IEN is
set to be “1”. Users need to be cautious with the operation under multi-interrupt situation.
Example: TC2 interrupt request setup.
B0BCLR
FTC2IEN
; Disable TC2 interrupt service
B0BCLR
FTC2ENB
; Disable TC2 timer
MOV
A, #10H
;
B0MOV
TC2M, A
; Set TC2 clock = Fcpu / 64
MOV
A, #74H
; Set TC2C initial value = 74H
B0MOV
TC2C, A
; Set TC2 interval = 10 ms
B0BSET
FTC2IEN
; Enable TC2 interrupt service
B0BCLR
FTC2IRQ
; Clear TC2 interrupt request flag
B0BSET
FTC2ENB
; Enable TC2 timer
B0BSET
FGIE
; Enable GIE
Example: TC2 interrupt service routine.
ORG
0EH
; Interrupt vector
JMP
INT_SERVICE
INT_SERVICE:
…
; Push routine to save ACC and PFLAG to buffers.
B0BTS1
FTC2IRQ
; Check TC2IRQ
JMP
EXIT_INT
; TC2IRQ = 0, exit interrupt vector
B0BCLR
FTC2IRQ
; Reset TC2IRQ
MOV
A, #74H
B0MOV
TC2C, A
; Reset TC2C.
…
; TC2 interrupt service routine
…
EXIT_INT:
…
; Pop routine to load ACC and PFLAG from buffers.
RETI
; Exit interrupt vector



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