參數(shù)資料
型號(hào): P8xC592
廠商: NXP Semiconductors N.V.
英文描述: 8-bit microcontroller with on-chip CAN
中文描述: 8位微控制器芯片的CAN
文件頁(yè)數(shù): 100/108頁(yè)
文件大?。?/td> 650K
代理商: P8XC592
1996 Jun 27
100
Philips Semiconductors
Product specification
8-bit microcontroller with on-chip CAN
P8xC592
00A0
00A1
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CAN_INT_HANDLER:
; first save used registers
PUSH
PUSH
C0D0
C0E0
PSW
ACC
; store the CAN-controller's Interrupt Register contents
; (here: at a bit-addressable location).
; This is necessary because after reading the Interrupt Register
; its contents is cleared, but
on the other hand
several flags
; may be set in coincidence.
MOV
A, CANON
ANL
A, #INT_FLAG_MASK
MOV
CAN_INT_IMAGE, A
00A2
E5D9
541F
F520
; only interrupt-flags
00A5
00A7
;dispatcher-----------------------------------------------------------------------------------------------
INT_TEST0:
JBC
CAN_INT_RX,CAN_RX_SERV
00A9
00AB
00AD
100000
;receive-interrupt
INT_TEST1:
; here the dispatcher has to be completed according
; to the application-specific requirements
; ...
; ...
; end of dispatcher------------------------------------------------------------------------------------
;Rx-serve--------------------------------------------------------------------------------------------------
; copy message (Data-Field only) from CAN- to CPU memory
00AE
00AF
CAN_RX_SERVE
00B0
; read 2nd Descriptor-Byte from the Rx-Buffer (address 21)
MOV
CANADR, #CAN_REF + 1
MOV
A, CANDAT
75DB15 104
E5DA
105
106
LOC
OBJ
LINE SOURCE
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