LH7A400 is a 32-bit system-on-chip with ARM922T core, 200MHz clock, 80KB on-chip memory, support 100MHz external bus interface, clock and power management, low power mode, programmable LCD controller, DMA, AC97, MMC, USB and other functions
The document is a preliminary datasheet for the SHARP LH7A400, a high-performance 32-bit System-on-Chip (SoC). It features an ARM922T RISC core running at up to 200 MHz with integrated MMU support. The chip includes extensive on-chip memory and interfaces for various peripherals including USB, PCMCIA, CompactFlash, and LCD controllers.
Key specifications include a maximum operating frequency of 100 MHz for the external bus interface, support for multiple low-power modes (Run, Halt, Standby), and operation voltages of 1.8V core with 3.3V input/output options. The device is available in 256-ball PBGA or CABGA packages.
| Operating Frequency | Up to 200 MHz |
|---|---|
| External Bus Interface Speed | 100 MHz |
| On-Chip Memory | 80KB |
| Operating Voltage (Core) | 1.8V |
| Operating Temperature (Commercial) | 0°C to +70°C |
| Package Type | 256-Ball PBGA or CABGA |
The core operates at 1.8V.
Yes, it includes an MMU which is enabled for Windows CE.