NXP Semiconductors LPC24XX UM10237 - Manual (Page 473)

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User manual Rev. 04 — 26 August 2009 473 of 792
NXP Semiconductors
UM10237
Chapter 18: LPC24XX CAN controllers CAN1/2
7. Memory map of the CAN block
The CAN Controllers and Acceptance Filter occupy a number of APB slots, as follows:
8. Register description
CAN block implements the registers shown in Table 18–417 and Table 18–418 . More
detailed descriptions follow.
Table 416. Memory map of the CAN block
Address Range Used for
0xE003 8000 - 0xE003 87FF Acceptance Filter RAM.
0xE003 C000 - 0xE003 C017 Acceptance Filter Registers.
0xE004 0000 - 0xE004 000B Central CAN Registers.
0xE004 4000 - 0xE004 405F CAN Controller 1 Registers.
0xE004 8000 - 0xE004 805F CAN Controller 2 Registers.
Table 417. Summary of CAN acceptance filter and central CAN registers
Name Description Access Reset Value Address
AFMR Acceptance Filter Register R/W 1 0xE003 C000
SFF_sa Standard Frame Individual Start Address Register R/W 0 0xE003 C004
SFF_GRP_sa Standard Frame Group Start Address Register R/W 0 0xE003 C008
EFF_sa Extended Frame Start Address Register R/W 0 0xE003 C00C
EFF_GRP_sa Extended Frame Group Start Address Register R/W 0 0xE003 C010
ENDofTable End of AF Tables register R/W 0 0xE003 C014
LUTerrAd LUT Error Address register RO 0 0xE003 C018
LUTerr LUT Error Register RO 0 0xE003 C01C
FCANIE FullCAN interrupt enable register R/W 0 0xE003 C020
FCANIC0 FullCAN interrupt and capture register 0 R/W 0 0xE003 C024
FCANIC1 FullCAN interrupt and capture register 1 R/W 0 0xE003 C028
CANTxSR CAN Central Transmit Status Register RO 0x0003 0300 0xE004 0000
CANRxSR CAN Central Receive Status Register RO 0 0xE004 0004
CANMSR CAN Central Miscellaneous Register RO 0 0xE004 0008
Table 418. Summary of CAN1 and CAN2 controller registers
Generic
Name Description Access CAN1 Register
Address & Name
CAN2 Register
Address & Name
MOD Controls the operating mode of the CAN
Controller. R/W CAN1MOD - 0xE004 4000 CAN2MOD - 0xE004 8000
CMR Command bits that affect the state of the
CAN Controller WO CAN1CMR - 0xE004 4004 CAN2CMR - 0xE004 8004
GSR Global Controller Status and Error Counters RO [1] CAN1GSR - 0xE004 4008 CAN2GSR - 0xE004 8008
ICR Interrupt status, Arbitration Lost Capture,
Error Code Capture RO CAN1ICR - 0xE004 400C CAN2ICR - 0xE004 800C
IER Interrupt Enable R/W CAN1IER - 0xE004 4010 CAN2IER - 0xE004 8010
BTR Bus Timing R/W [2] CAN1BTR - 0xE004 4014 CAN2BTR - 0xE004 8014