IA186XL/IA188XL
16-Bit Microcontrollers
Data Sheet
July 6, 2011
Errata No. 9
Problem:
Non-maskable interrupt (NMI) can be pre-empted by maskable interrupt.
Description: When instruction execution unit is in Decode state for 2 or more consecutive
cycles and an NMI is recognized, it could be pre-empted by a maskable interrupt.
Workaround: None.
Errata No. 10
Problem:
DMA can hang.
Description: DMA to a region of memory using destination synchronization and a chip select
with extra wait states can hang.
Workaround: Do not use wait states and destination synchronization together.
Errata No. 11
Problem:
MOVS/POP/PUSH instructions interrupted by DMA can corrupt data.
Description: MOVS/POP/PUSH instructions interrupted by both a DMA transaction and an
instruction fetch bus cycle can corrupt data. This affects the IA186XL only.
Workaround: None.
Errata No. 12
Problem:
MOVS/POP/PUSH instructions interrupted by DMA can corrupt data.
Description: MOVS/PUSH/POP instructions with 16-bit, non-aligned destination address
interrupted by DMA can corrupt data. This affects the IA186XL only.
Workaround: None.
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