ia186em Innovasic Semiconductor Inc., ia186em Datasheet - Page 5

• Manufacturer Part Number: ia186em
• Description: 8-bit/16-bit Microcontrollers
• Manufacturer: Innovasic Semiconductor Inc.

IA186EM/IA188EM
8-Bit/16-Bit Microcontrollers
3.
4.
5.
Maximum Ratings, Thermal Characteristics, and DC Parameters .......................................42
Device Architecture ..............................................................................................................43
Peripheral Architecture .........................................................................................................57
2.3 Pins Used by Emulators ..............................................................................................41
4.1 Bus Interface and Control ...........................................................................................43
4.2 Clock and Power Management ...................................................................................45
4.3 System Clocks .............................................................................................................45
4.4 Power-Save Mode .......................................................................................................46
4.5 Initialization and Reset ................................................................................................46
4.6 Reset Configuration Register ......................................................................................46
4.7 Chip Selects .................................................................................................................47
4.8 Chip-Select Timing .....................................................................................................47
4.9 Ready- and Wait-State Programming..........................................................................47
4.10 Chip Select Overlap ....................................................................................................47
4.11 Upper Memory Chip Select .........................................................................................48
4.12 Low Memory Chip Select ...........................................................................................49
4.13 Midrange Memory Chip Selects .................................................................................49
4.14 Peripheral Chip Selects ...............................................................................................49
4.15 Refresh Control ...........................................................................................................50
4.16 Interrupt Control ..........................................................................................................50
4.17 Timer Control ..............................................................................................................52
4.18 Direct Memory Access (DMA) ...................................................................................52
4.19 DMA Operation ...........................................................................................................53
4.20 DMA Channel Control Registers ................................................................................53
4.21 DMA Priority ..............................................................................................................54
4.22 Asynchronous Serial Port ............................................................................................54
4.23 Synchronous Serial Port ..............................................................................................55
4.24 Programmable I/O (PIO) .............................................................................................55
5.1 Control and Registers ..................................................................................................57
2.2.46 v
2.2.47 whb_n (IA186EM)—Write High Byte (synchronous output with
2.2.48 wlb_n/wb_n—Write Low Byte (IA186EM) (synchronous output with
2.2.49 wr_n—Write Strobe (synchronous output) ....................................................41
2.2.50 x1—Crystal Input (input) ...............................................................................41
2.2.51 x2—Crystal Input (input) ...............................................................................41
4.16.1 Interrupt Types ................................................................................................51
5.1.1
5.1.2
5.1.3
5.1.4
5.1.5
tristate) ............................................................................................................40
tristate)/Write Byte (IA188EM) (synchronous output with tristate) ..............40
RELREG (0feh) ..............................................................................................59
RESCON (0f6h) ..............................................................................................59
PRL (0f4h) ......................................................................................................59
PDCON (0f0h) ................................................................................................60
EDRAM (0e4h) ..............................................................................................61
cc
®
—Power Supply (input)..............................................................................40
UNCONTROLLED WHEN PRINTED OR COPIED
Page 5 of 145
IA211050831-16
December 24, 2008
http://www.Innovasic.com
Customer Support:
Data Sheet
1-888-824-4184