产品介绍：512KB SRAM存储卡，DI*12，DO*16，PCI
产品特点：On-board 512 KB SRAM
Two Li-batteries, BT1 & BT2, for dual battery-backup the data of the SRAM
LED indicators for Li-batteries states: normal, low voltage, fault
16-bit general purpose TTL-compatible D/O
12-bit general purpose TTL-compatible D/I (DI4 ~ 15)
4-bit battery status read back (DI0 ~ 3)
Universal PCI card, supports both 5 V and 3.3 V PCI bus.
产品规格：512 KB SRAM

◆ 两块锂电池 BT1 和 BT2

◆ 电池状态 LED

◆ DO *16 TTL 兼容

◆ DI *12 TTL 兼容

◆ 通用 PCI 总线