AMD Am188TMER, Am186TMER user manual Index

INDEX

A

A1 signal (Latched Address Bit 1), 3-8

A19-A0 signals (Address Bus), 3-1

A2 signal (Latched Address Bit 2), 3-9AD15-AD8 signals (Address and Data Bus), 3-2AD7-AD0 signals (Address and Data Bus), 3-1Address generation, 2-3

Addressing modes, 2-10

ADEN signal (Address Enable), 3-3,3-12AF bit (Auxiliary Carry)

Processor Status Flags Register, 2-3ALE signal (Address Latch Enable), 3-2ALT bit (Alternate Compare Bit)

Timer 0 Mode/Control Register, 9-4

Timer 1 Mode/Control Register, 9-4Am186ER Microcontroller

address generation, 2-3addressing modes, 2-10application considerations, 1-6block diagram, 1-4

clock generation, 1-6data types, 2-8

distinctive characteristics, 1-2I/O space, 2-4

instruction set, 2-4

key features and benefits, 1-1memory interface, 1-7memory operands, 2-10memory organization, 2-3product support, iii

register and immediate operands, 2-10register set, 2-1

segment registers, 2-8serial port, 1-7signal descriptions, 3-1

Am188ER Microcontroller block diagram, 1-5signal descriptions

RFSH2/ADEN (Refresh 2/Address Enable), 3-12WB (Write Byte), 3-16

AO15-AO7 signals (Address-Only Bus), 3-2Application considerations, 1-6

ARDY signal (Asynchronous Ready), 3-3ASCII data type, 2-8

Auxiliary Carry bit, 2-3

B

B/W bit (Byte/Word Select), 10-4BA19-BA11 field (Base Address)

Peripheral Chip Select Register, 5-12BA19-BA13 field (Base Address)

Midrange Memory Chip Select Register, 5-8BA19-BA15 field (Base Address)

Internal Memory Chip Select Register, 6-3Base and index registers, 2-1

Based Indexed mode addressing, 2-10Based mode addressing, 2-10

Basic functional system, 1-6–1-7BAUDDIV field (Baud Rate Divisor), 11-7BHE signal (Bus High Enable), 3-3Binary-coded decimal (BCD) data type, 2-8Bits

AF (Auxiliary Carry), 2-3

ALT (Alternate Compare Bit), 9-4B/W (Byte/Word Select), 10-4BA19-BA11 (Base Address), 5-12BA19-BA13 (Base Address), 5-8BA19-BA15 (Base Address), 6-3BAUDDIV (Baud Rate Divisor), 11-7BRK (Send Break), 11-2

BRKI (Break Interrupt), 11-4

BRKVAL (Break Value), 11-2C (Cascade Mode), 8-14

CAD (CLKOUTA Drive Disable), 4-7CAF (CLKOUTA Output Frequency), 4-7CBD (CLKOUTB Drive Disable), 4-7CBF (CLKOUTB Output Frequency), 4-7CF (Carry Flag), 2-3

CHG (Change Start Bit), 10-4

CONT (Continuous Mode Bit), 9-4–9-5

D1-D0 (DMA Channel Interrupt In-Service), 8-23, 8- 33, 8-35

D1-D0 (DMA Channel Interrupt Masks), 8-25

D1-D0 (DMA Channel Interrupt Request), 8-22,8-32DA (Address Disable), 5-5,5-7

DDA15-DDA0 (DMA Destination Address Low), 10- 7

DDA19-DDA16 (DMA Destination Address High), 10-6

DDEC (Destination Decrement), 10-3DE0 (SDEN0 Enable), 12-4

DE1 (SDEN1 Enable), 12-4DF (Direction Flag), 2-2

Index I-1