IA186ES/IA188ES
8-Bit/16-Bit Microcontrollers
Data Sheet
November 15, 2011
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IA186ES/IA188ES
8-Bit/16-Bit Microcontrollers
Data Sheet
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IA186ES/IA188ES
8-Bit/16-Bit Microcontrollers
Data Sheet
November 15, 2011
Copyright
2011 by Innovasic Semiconductor, Inc.
Published by Innovasic Semiconductor, Inc.
3737 Princeton Drive NE, Suite 130, Albuquerque, NM 87107
AMD, Am186, and Am188 are trademarks of Advanced Micro Devices, Inc.
MILES™ is a trademark of Innovasic Semiconductor, Inc.
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IA186ES/IA188ES
8-Bit/16-Bit Microcontrollers
Data Sheet
November 15, 2011
TABLE OF CONTENTS
List of Figures ..................................................................................................................................9
List of Tables .................................................................................................................................10
Conventions ...................................................................................................................................13
Acronyms and Abbreviations ........................................................................................................14
1.
Introduction...........................................................................................................................15
1.1 General Description.....................................................................................................15
1.2 Features .......................................................................................................................15
2.
Packaging, Pin Descriptions, and Physical Dimensions .......................................................16
2.1 Packages and Pinouts ..................................................................................................16
2.1.1 IA186ES TQFP Package ................................................................................17
2.1.2 IA188ES TQFP Package ................................................................................20
2.1.3 TQFP Physical Dimensions ............................................................................23
2.1.4 IA186ES PQFP Package.................................................................................24
2.1.5 IA188ES PQFP Package.................................................................................27
2.1.6 PQFP Physical Dimensions ............................................................................30
2.2 Pin Descriptions ..........................................................................................................31
2.2.1 a19/pio9, a18/pio8, a17/pio7, a16–a0—Address Bus (synchronous
outputs with tristate) .......................................................................................31
2.2.2 ad15–ad8 (IA186ES)—Address/Data Bus (level-sensitive
synchronous inouts with tristate) ....................................................................31
2.2.3 ao15–ao8 (IA188ES)—Address Bus (level-sensitive synchronous
outputs with tristate) .......................................................................................31
2.2.4 ad7–ad0—Address/Data Bus (level-sensitive synchronous inouts with
tristate) ............................................................................................................31
2.2.5 ale—Address Latch Enable (synchronous output) .........................................32
2.2.6 ardy—Asynchronous Ready (level-sensitive asynchronous input) ................32
2.2.7 bhe_n/aden_n (IA186ES only)—Bus High Enable (synchronous
output with tristate)/Address Enable (input with internal pullup) ..................32
2.2.8 clkouta—Clock Output A (synchronous output) ............................................33
2.2.9 clkoutb—Clock Output B (synchronous output) ............................................33
2.2.10 cts0_n/enrx0_n/pio21—Clear-to-Send 0/Enable-Receive-Request 0
(both are asynchronous inputs) .......................................................................33
2.2.11 den_n/ds_n/pio5—Data Enable /Data Strobe (both are synchronous
outputs with tristate) .......................................................................................34
2.2.12 drq0/int5/pio12—DMA Request 0 (synchronous level-sensitive
input)/Maskable Interrupt Request 5 (asynchronous edge-triggered
input) ...............................................................................................................34
2.2.13 drq1/int6/pio13—DMA Request 1 (synchronous level-sensitive
input)/Maskable Interrupt Request 6 (asynchronous edge-triggered
input) ...............................................................................................................34
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8-Bit/16-Bit Microcontrollers
Data Sheet
November 15, 2011
2.2.14 dt/r_n/pio4—Data Transmit or Receive (synchronous output with
tristate) ............................................................................................................34
2.2.15 gnd—Ground ..................................................................................................35
2.2.16 hlda—Bus Hold Acknowledge (synchronous output) ....................................35
2.2.17 int0—Maskable Interrupt Request 0 (asynchronous input) ............................35
2.2.18 int1/select_n—Maskable Interrupt Request 1/Slave Select (both are
asynchronous inputs) ......................................................................................35
2.2.19 int2/inta0_n/pwd/pio31—Maskable Interrupt Request 2
(asynchronous input)/Interrupt Acknowledge 0 (synchronous
output)/Pulse Width Demodulator (Schmitt trigger input) .............................36
2.2.20 int3/inta1_n/irq—Maskable Interrupt Request 3 (asynchronous
input)/Interrupt Acknowledge 1 (synchronous output)/Interrupt
Acknowledge (synchronous output) ...............................................................36
2.2.21 int4/pio30—Maskable Interrupt Request 4 (asynchronous input)..................37
2.2.22 lcs_n/once0_n—Lower Memory Chip Select (synchronous output
with internal pullup)/ONCE Mode Request (input) .......................................37
2.2.23 mcs0_n/pio14—Midrange Memory Chip Select (synchronous output
with internal pullup) .......................................................................................37
2.2.24 mcs2_n–mcs1_n (pio24–pio 15)—Midrange Memory Chip Selects
(synchronous outputs with internal pullup) ....................................................37
2.2.25 mcs3_n/rfsh_n/pio25—Midrange Memory Chip Select (synchronous
outputs with internal pullup)/Automatic Refresh (synchronous output) ........38
2.2.26 nmi—Nonmaskable Interrupt (synchronous edge-sensitive input) ................38
2.2.27 pcs1_n–pcs0_n (pio17–pio16)—Peripheral Chip Selects 1–0
(synchronous outputs) .....................................................................................38
2.2.28 pcs2_n/cts1_n/enrx1_n/pio18—Peripheral Chip Select 2
(synchronous output)/Clear-to-Send 1 (asynchronous input)/Enable-
Receiver-Request 1 (asynchronous input) ......................................................39
2.2.29 pcs3_n/rts1_n/rtr1_n/pio18—Peripheral Chip Select 3 (synchronous
output)/Ready-to-Send 1 (asynchronous output)/Ready-to-Receive 1
(asynchronous input) ......................................................................................39
2.2.30 pcs5_n/A1/pio3—Peripheral Chip Select 5 (synchronous
output)/Latched Address Bit [1] (synchronous output) ..................................40
2.2.31 pcs6_n/A2/pio2—Peripheral Chip Select 6 (synchronous
output)/Latched Address Bit [2] (synchronous output) ..................................40
2.2.32 pio31–pio0—Programmable I/O Pins (asynchronous input/output
open-drain) ......................................................................................................40
2.2.33 rd_n—Read strobe (synchronous output with tristate) ...................................40
2.2.34 res_n—Reset (asynchronous level-sensitive input) ........................................40
2.2.35 rfsh2_n/aden_n (IA188ES only)—Refresh 2 (synchronous output
with tristate)/Address Enable (input with internal pullup) .............................41
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8-Bit/16-Bit Microcontrollers
Data Sheet
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3.
4.
2.2.36 rts0_n/rtr0_n/pio20—Ready-to-Send 0 (asynchronous output)/Ready-
to-Receive 0 (asynchronous input) .................................................................41
2.2.37 rxd0_n/pio23—Receive Data 0 (asynchronous input) ...................................41
2.2.38 rxd1_n/pio28—Receive Data 1 (asynchronous input) ...................................41
2.2.39 s2_n–s0_n—Bus Cycle Status (synchronous outputs with tristate) ...............41
2.2.40 s6/lock_n/clkdiv2_n/pio29—Bus Cycle Status Bit [6] (synchronous
output)/Bus Lock (synchronous output)/Clock Divide by 2 (input with
internal pullup)................................................................................................42
2.2.41 srdy/pio6—Synchronous Ready (synchronous level-sensitive input) ............42
2.2.42 tmrin0/pio11—Timer Input 0 (synchronous edge-sensitive input) ................42
2.2.43 tmrin1/pio0—Timer Input 1 (synchronous edge-sensitive input) ..................43
2.2.44 tmrout0/pio10—Timer Output 0 (synchronous output) .................................43
2.2.45 tmrout1/pio1—Timer Output 1 (synchronous output) ...................................43
2.2.46 txd0/pio22—Transmit Data 0 (asynchronous output) ....................................43
2.2.47 txd1/pio27—Transmit Data 1 (asynchronous output) ....................................43
2.2.48 ucs_n/once1_n—Upper Memory Chip Select (synchronous
output)/ONCE Mode Request 1 (input with internal pullup) .........................43
2.2.49 uzi_n/pio26—Upper Zero Indicate (synchronous output) ..............................44
2.2.50 v
cc
—Power Supply (input)..............................................................................44
2.2.51 whb_n (IA186ES only)—Write High Byte (synchronous output with
tristate) ............................................................................................................44
2.2.52 wlb_n/wb_n—Write Low Byte (IA186ES only) (synchronous output
with tristate)/Write Byte (IA188ES only) (synchronous output with
tristate) ............................................................................................................44
2.2.53 wr_n—Write Strobe (synchronous output) ....................................................44
2.2.54 x1—Crystal Input ...........................................................................................44
2.2.55 x2—Crystal Input ...........................................................................................44
2.3 Pins Used by Emulators ..............................................................................................45
Maximum Ratings, Thermal Characteristics, and DC Parameters .......................................45
Device Architecture ..............................................................................................................47
4.1 Bus Interface and Control ...........................................................................................47
4.2 Clock and Power Management ...................................................................................49
4.3 System Clocks .............................................................................................................49
4.4 Power-Save Mode .......................................................................................................50
4.5 Initialization and Reset ................................................................................................50
4.6 Reset Configuration Register ......................................................................................50
4.7 Chip Selects .................................................................................................................50
4.8 Chip-Select Timing .....................................................................................................50
4.9 Ready- and Wait-State Programming..........................................................................51
4.10 Chip-Select Overlap ....................................................................................................51
4.11 Upper-Memory Chip Select ........................................................................................52
4.12 Low-Memory Chip Select ...........................................................................................52
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