ICS9148-111 Overview
Ref (0:2), XTAL power supply, nominal 3.3V 14.318 Mhz reference clock. Indicates whether VDDL2 is 3.3V or 2.5V. High=2.5V CPU, LOW=3.3V C P U.
ICS9148-111 Key Features
- CPUs @ 2.5V/3.3V, up to 100MHz
- AGPCLK @ 3.3V
- SDRAM @ 3.3V, up to 100MHz
- PCI @ 3.3V, including one free running
- 48MHz, @ 3.3V fixed
- REF @ 3.3V, 14.318MHz. Features
- Up to 100MHz frequency support
- Support power management: CPU, PCI, AGP stop and, Power down Mode from I2C programming
- Spread spectrum for EMI control (0 to -0.6%, ± 0.25%)
- Uses external 14.318MHz crystal