User guide

42 DC 900-1338I
Protocol Software Toolkit Programmer Guide
2.5 ICP2424 and ICP2432 Hardware Device Programming
The ICP2424 uses the Motorola 68340 CPU, an integrated processor. The ICP2432 uses
the Motorola 68349 CPU. The 6834x includes:
• a CP32 CPU
• a two-channel DMA controller
• a two-channel universal synchronous/asynchronous receiver/transmitter
(USART)
• a periodic interrupt timer
• two counter/timers
Table 2–2: ICP Interrupt Priority Assignments
Device(s) Level
ICP2424
Integrated Universal Serial Controllers (IUSC) 6
68340 periodic timer interrupt 5
ISAbus 5
ICP2432
Integrated Universal Serial Controllers (IUSC) 6
68349 periodic timer interrupt 5
PCIbus 5
ICP6000
Direct memory access controller 6
Serial communications controllers 5
Multi-function peripheral timer 5
VMEbus slave interface device 2