ip178a ETC-unknow, ip178a Datasheet - Page 16

• Manufacturer Part Number: ip178a
• Description: 8-port 10/100 Ethernet Integrated Switch
• Manufacturer: ETC-unknow

PIN Description
Preliminary, Specification subject to change without notice
IP178A-DS-P05
Sep. 09, 2002
Pin no.
BGVCC
BGGND
PLLGND
PLLVCC
OSCGND
OSCVCC
GND
VCC
GND_SRAM
VCC_SRAM
GND_IO
VCC_IO
RXVCC0~7
RXGND0~7
TXGND0~7
TXVCC01
TXVCC23
TXVCC45
TXVCC67
NC
External MII port operation parameter setting
135
154
153
136
127
Power
MII_P0_FLOW_CTL IPL
MII_P0_EXT_EN
MII_P0_SPEED
MII_P0_FULL
MII_P0_SNI
Label
(continued)
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Type
IPH Duplex setting of external MII port
IPH Speed setting of external MII port
IPL
IPL
Power of band gap circuit
Power of band gap circuit
Power of PLL circuit
Power of PLL circuit
Power of oscillator
Power of oscillator
Power of internal logic
Power of internal logic
Power of internal SRAM
Power of internal SRAM
Power for LED and EEPROM
Power for LED and EEPROM
Power of analog receive block
Power of analog receive block
Power of analog transmit buffer
Power of analog transmit buffer
No connection. They should be left open for normal operation.
External MII port enable
1: enable, 0: disable (default)
1: full (default), 0: half
It is valid only if MII_P0_EXT_EN is set to logic high.
1: 10M (default), 0: 100M
It is valid only if MII_P0_EXT_EN is set to logic high.
Flow control setting of external MII port
1: on, 0: off (default)
It is valid only if MII_P0_EXT_EN is set to logic high.
External Mac interface selection
1: SNI interface
0: MII interface (default)
It is valid only if MII_P0_EXT_EN is set to logic high. If the SNI interface is
enabled, port0 of switch core is forced to 10Mbps.
16
Description
(Advance Version)
IP178A