MEMORY PARTITIONS

Table 3-3. 87C196CB Peripheral SFRs

Ports 0, 1, 2, and 6 SFRs

Address

High (Odd) Byte

Low (Even) Byte

1FDEH

Reserved

Reserved

1FDCH

Reserved

Reserved

1FDAH

Reserved

P0_PIN

1FD8H

Reserved

Reserved

1FD6H

P6_PIN

P1_PIN

1FD4H

P6_REG

P1_REG

1FD2H

P6_DIR

P1_DIR

1FD0H

P6_MODE

P1_MODE

1FCEH

P2_PIN

Reserved

1FCCH

P2_REG

Reserved

1FCAH

P2_DIR

Reserved

1FC8H

P2_MODE

Reserved

1FC6H

Reserved

Reserved

1FC4H

Reserved

Reserved

1FC2H

Reserved

Reserved

1FC0H

Reserved

Reserved

 

SIO and SSIO SFRs

Address

High (Odd) Byte

Low (Even) Byte

 

 

 

1FBEH

Reserved

Reserved

1FBCH

SP_BAUD (H)

SP_BAUD (L)

1FBAH

SP_CON

SBUF_TX

1FB8H

SP_STATUS

SBUF_RX

1FB6H

Reserved

Reserved

1FB4H

Reserved

SSIO_BAUD

1FB2H

SSIO1_CON

SSIO1_BUF

1FB0H

SSIO0_CON

SSIO0_BUF

 

A/D SFRs

 

Address

High (Odd) Byte

Low (Even) Byte

1FAEH

AD_TIME

AD_TEST

1FACH

Reserved

AD_COMMAND

1FAAH

AD_RESULT (H)

AD_RESULT (L)

 

EPA Interrupt SFRs

Address

High (Odd) Byte

Low (Even) Byte

1FA8H

Reserved

EPAIPV

1FA6H

Reserved

EPA_PEND1

1FA4H

Reserved

EPA_MASK1

1FA2H

EPA_PEND (H)

EPA_PEND (L)

1FA0H

EPA_MASK (H)

EPA_MASK (L)

Must be addressed as a word.

Timer 1, Timer 2, and EPA SFRs

Address

High (Odd) Byte

Low (Even) Byte

1F9EH

TIMER2 (H)

TIMER2 (L)

1F9CH

Reserved

T2CONTROL

1F9AH

TIMER1 (H)

TIMER1 (L)

1F98H

Reserved

T1CONTROL

1F96H

Reserved

Reserved

1F94H

Reserved

Reserved

1F92H

Reserved

Reserved

1F90H

Reserved

Reserved

 

EPA SFRs

 

Address

High (Odd) Byte

Low (Even) Byte

1F8EH COMP1_TIME (H) COMP1_TIME (L)

1F8CH Reserved

COMP1_CON

1F8AH COMP0_TIME (H) COMP0_TIME (L)

1F88H

Reserved

COMP0_CON

1F86H

EPA9_TIME (H)

EPA9_TIME (L)

1F84H

Reserved

EPA9_CON

1F82H

EPA8_TIME (H)

EPA8_TIME (L)

1F80H

Reserved

EPA8_CON

1F7EH

EPA7_TIME (H)

EPA7_TIME (L)

1F7CH

Reserved

EPA7_CON

1F7AH

EPA6_TIME (H)

EPA6_TIME (L)

1F78H

Reserved

EPA6_CON

1F76H

EPA5_TIME (H)

EPA5_TIME (L)

1F74H

Reserved

EPA5_CON

1F72H

EPA4_TIME (H)

EPA4_TIME (L)

1F70H

Reserved

EPA4_CON

1F6EH

EPA3_TIME (H)

EPA3_TIME (L)

1F6CH

EPA3_CON (H)

EPA3_CON (L)

1F6AH

EPA2_TIME (H)

EPA2_TIME (L)

1F68H

Reserved

EPA2_CON

1F66H

EPA1_TIME (H)

EPA1_TIME (L)

1F64H

EPA1_CON (H)

EPA1_CON (L)

1F62H

EPA0_TIME (H)

EPA0_TIME (L)

1F60H

Reserved

EPA0_CON

3-3

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Intel 87C196CB, 8XC196NT user manual C196CB Peripheral SFRs

8XC196NT, 87C196CB specifications

The Intel 87C196CB and 8XC196NT are microcontrollers from the C196 family, which was designed to meet the demands of embedded control technology. These microcontrollers are popular in various applications due to their robust architecture, extensive I/O capabilities, and specialized functionality, making them ideal for automotive, industrial, and communication systems.

The 87C196CB is distinguished by its 16-bit architecture, offering a balance of processing power and efficiency. It features a 16-bit data bus, which allows for fast data processing, and a 16-bit address bus, supporting up to 64KB of program memory. The microcontroller integrates on-chip memory, including 2KB of ROM and 128 bytes of RAM, which facilitates faster execution of programs and data handling.

One of the standout features of the 87C196CB is its versatility in I/O operations. It comes equipped with 32 general-purpose I/O lines that can be configured for various functions, including input, output, and interrupt handling. This flexibility enables developers to optimize the microcontroller for their specific application needs.

The 8XC196NT builds on the capabilities of its predecessor, offering advanced functionalities such as an enhanced instruction set and integrated peripherals. It includes additional features like timers, serial communication interfaces, and analog-to-digital converters, which expand its usability in complex embedded systems. The 8XC196NT supports multiple addressing modes, allowing for more efficient programming and memory management.

Both microcontrollers utilize innovative technologies that improve performance and power efficiency. The on-chip operating system support aids in real-time processing and multitasking, making them suitable for time-sensitive applications. Power management features are also incorporated, allowing these microcontrollers to operate in low-power modes, which is crucial for battery-operated devices.

The 87C196CB and 8XC196NT microcontrollers are characterized by their reliability and long service life, meeting the stringent demands of industrial applications. Their ability to perform tasks rapidly, combined with their diverse peripheral support, makes them popular choices among engineers and developers designing embedded systems. Overall, the Intel 87C196CB and 8XC196NT microcontrollers remain relevant in the rapidly evolving landscape of embedded technology, facilitating innovative solutions across various industries.