System-level Control Registers

Versal ACAP Technical Reference Manual (AM011)

Document ID
AM011
Release Date
2022-04-26
Revision
1.4 English

There are several registers to control I/O routing, and the APB programming interface.

Table 1. CAN SLCR Registers
Description Register Bit Fields Offset Address Access Type

Reference clock controls

CRL
            CAN0_REF_CTRL
        

CRL
            CAN1_REF_CTRL
        

[SRCSEL], [DIVISOR], and [CLKACT]

0x0138
0x013C

RW

Software reset control

CRL
            RST_CAN0
        

CRL
            RST_CAN1
        

[RESET]

0x0328
0x032C

RW

PMC MIO pin multiplexing routing

PMC_IOP_SLCR
            MIO_PIN_0
        
(0 to 51)
(see Input Buffer Control Registers section)

[L0_SEL], [L1_SEL], [L2_SEL], and [L3_SEL]

0x0000+

RW

LPD MIO pin multiplexing routing

LPD_IOP_SLCR
            MIO_PIN_0
        

(see Input Buffer Control Registers section)

[L0_SEL], [L1_SEL], [L2_SEL], and [L3_SEL]

0x0000+

RW

MIO bank select:
0: PMC pin bank
1: LPD pin bank

LPD_IOP_SLCR
            LPD_MIO_Sel
        

[CAN0_SEL], and
[CAN1_SEL]

0x0410

RW

MIO loopback enable:
0: No loopback
1: CAN0 ↔ CAN1

LPD_IOP_SLCR MIO_Bank2_Loopback [CAN0_LOOP_CAN1] 0x200 RW

Programming interface parity error:
0: no error
1: parity error

LPD_IOP_SLCR
            PARITY_ISR
        

[perr_can0_apb], and [perr_can1_apb]

0x0714 RW