8381 N/B Maintenance
One Card Bus Sockets for one type II PC card extension.
One USB HDD connector.
Low Supply Current and Shutdown Current.
Surface-Mount Power Packaging.
24-Pin TSSOP PowerPADE.
1.3.9 Battery current limit and learning
Implanted H/W current limit and battery learning circuit to enhance the protection of battery.
1.3.10 NEC ĽPD720130 Hi-Speed USB 2.0 to IDE Bridge
The ĽPD720130 is designed to perform a bridge between USB 2.0 and ATA/ATAPI. The ĽPD720130 complies
with the Universal Serial Bus Specification Revision 2.0 full-/high-speed signaling and works up to 480 Mbps.
TheĽPD720130 is integrated CISC processor, ATA/ATAPI controller, endpoint controller (EPC), serial interface
engine (SIE), and USB2.0 transceiver into a single chip. The USB2.0 protocol and class specific protocol (bulk only
protocol) are handled by USB2.0 transceiver, SIE, and EPC. And the transport layer is performed by V30MZ CISC
processor which is in the ĽPD720130. The software to control the ĽPD720130 is located in an embedded ROM. In
the future, the ĽPD720130 will be released to support external Flash Memory / EEPROM" option to update
function by firmware.44 |
ACEC
MITAC
