P80C592 Philips Semiconductors, P80C592 Datasheet - Page 99

• Manufacturer Part Number: P80C592
• Description: 8-bit microcontroller with on-chip CAN
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1996 Jun 27
LOC
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8-bit microcontroller with on-chip CAN
OBJ
020080
LINE SOURCE
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; jump-address for a CAN-controller interrupt
CSEG at 2BH
; data storage
DSEG at 20H
BSEG at 00H
;********************************************************************************************************
;CAN-controller interrupt-handler
;
;Only the receive-interrupt is coded.
;
;*******************************************************************************************************
CSEG at 080H
;commands for the CAN-controller / DMA logic
CAN_REF_REL
CAN_RX_DMA
; addresses of CAN-controller internal registers
CAN_REF
; masks
INT_FLAG_MASK EQU
ID2_0_MASK
LJMP
CAN_INT_IMAGE: DS
CAN_INT_RX:
CAN_INT_TX:
CAN_INT_KR:
CAN_INT_OV:
CAN_INT_WK:
99
EQU
EQU
EQU
EQU
CAN_INT_HANDLER
DBIT
DBIT
DBIT
DBIT
DBIT
00000100B
80H + 22
20
00011111B
11100000B
1
1
1
1
1
1
;Release Receive Buffer
;Rx DMA-transfer
;1st address of Rx-buffer
;all CAN's interrupt-flags
;only ID.2 ... ID.0 bits
; CAN's interrupt-vector
; = CAN_INT_IMAGE.0
; = CAN_INT_IMAGE.1
; = CAN_INT_IMAGE.2
; = CAN_INT_IMAGE.3
; = CAN_INT_IMAGE.4
Product specification
P8xC592