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IA186ES Datasheet(PDF) 4 Page - InnovASIC, Inc |
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IA186ES Datasheet(HTML) 4 Page - InnovASIC, Inc |
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4 / 154 page  IA186ES/IA188ES Data Sheet 8-Bit/16-Bit Microcontrollers November 15, 2011 IA211050902-19 http://www.innovasic.com UNCONTROLLED WHEN PRINTED OR COPIED Customer Support: Page 4 of 154 1-888-824-4184 ® 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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