Datasheet

KSZ8795CLX
DS00002112B-page 48 2016-2017 Microchip Technology Inc.
4.1 Register Map
0x17 - 0x4F PHY1 to PHY4 MIIM Registers
Mapping to Those Port Registers’
Address Range
The same PHY registers as specified in IEEE 802.3
specification.
TABLE 4-2: DIRECT REGISTERS
Address Contents
0x00-0x01 Family ID, Chip ID, Revision ID, and start switch Registers
0x02-0x0D Global Control Registers 0 – 11
0x0E-0x0F Global Power-Down Management Control Registers
0x10-0x14 Port 1 Control Registers 0 – 4
0x15 Port 1 Authentication Control Register
0x16-0x18 Port 1 Reserved (Factory Test Registers)
0x19-0x1F Port 1 Control/Status Registers
0x20-0x24 Port 2 Control Registers 0 – 4
0x25 Port 2 Authentication Control Register
0x26-0x28 Port 2 Reserved (Factory Test Registers)
0x29-0x2F Port 2 Control/Status Registers
0x30-0x34 Port 3 Control Registers 0 – 4
0x35 Port 3 Authentication Control Register
0x36-0x38 Port 3 Registered (Factory Test Registers)
0x39-0x3F Port 3 Control/Status Registers
0x40-0x44 Port 4 Control Registers 0 – 4
0x45 Port 4 Authentication Control Register
0x46-0x48 Port 4 Reserved (Factory Test Registers)
0x49-0x4F Port 4 Control/Status Registers
0x50-0x54 Port 5 Control Registers 0 – 4
0x56-0x58 Port 5 Reserved (Factory Test Registers)
0x59-0x5F Port 5 Control/Status Registers
0x60-0x67 Reserved (Factory Testing Registers)
0x68-0x6D MAC Address Registers
0x6E-0x6F Indirect Access Control Registers
0x70-0x78 Indirect Data Registers
0x79-0x7B Reserved (Factory Testing Registers)
0x7C-0x7D Global Interrupt and Mask Registers
0x7E-0x7F ACL Interrupt Status and Control Registers
0x80-0x87 Global Control Registers 12 – 19
0x88 Switch Self-Test Control Register
0x89-0x8F QM Global Control Registers
0x90-0x9F Global TOS Priority Control Registers 0 - 15
0xA0 Global Indirect Byte Register
0xA0-0xAF Reserved (Factory Testing Registers)
0xB0-0xBE Port 1 Control Registers
TABLE 4-1: MAPPING OF FUNCTIONAL AREAS WITHIN THE ADDRESS SPACE (CONTINUED)
Register
Locations
Device Area Description