User's Manual

RTL8197D-11AC
AP/Router User's Manual
5-Port 10/100M Ethernet Router Network Processor 3 Track ID: JATR-3375-16 Rev. 1.1
 DDR1 DRAM
 Supports one DDR1 DRAM bank
that can be configured as
16M/32M/64M/128Mbytes
 16-bit DDR1 DRAM data bus
supported. System totally supports up
to 128Mbyte DDR1 DRAM memory
space
 DDR2 DRAM
 Supports one DDR2 DRAM bank
that can be configured as
32M/64M/128Mbyte
 16-bit DDR2 DRAM data bus
supported. System totally supports up
to 128Mbyte DDR2 DRAM memory
space
Supports Green Ethernet
 Cable length power saving
 Link down power saving
Supports IEEE 802.3az Energy Efficient
Ethernet ability for 100Base-TX in full
duplex operation and 10Base-T in full/half
duplex mode
Other Add-on-Value Features
 Supports Link Down Power Saving in
Ethernet PHYceivers
 Supports two hardware timers and one
watchdog timer
 Per-port configurable auto-crossover
function
 Built-in internal ROM booting
 Single 25MHz crystal or 40MHz clock
input
Built-in LDO
LDO for DDR1/DDR2
 DDR1 DRAM: 3.3V to 2.5V
DDR2 DRAM: 3.3V to 1.8V
TQFP176-E-PAD package