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The 8xC196EA is the first member of a new family of microcontrollers with features that are useful in automotive applications, such as powertrain control. Two Mbytes of linear address space provide more space for high-level language compilation. A demultiplexed address/data bus and three chip-select signals make it easier to design low-cost memory solutions. The external bus can dynamically switch between multiplexed and demultiplexed operation.

■ 40 MHz operation

■ Optional clock doubler

■ 2 Mbytes of linear address space

■ 1 Kbyte of register RAM

■ 3 Kbytes of code RAM

■ 8 Kbytes of ROM

■ Register-to-register architecture

■ Stack overflow/underflow monitor with user-defined upper and lower stack pointer boundary limits

■ 2 peripheral interrupt handlers (PIH) provide direct hardware handling of up to 16 peripheral interrupts

■ Peripheral transaction server (PTS) with high-speed, microcoded interrupt service routines

■ Up to 83 I/O port pins

■ 2 full-duplex serial ports with dedicated baud-rate generators

■ Enhanced synchronous serial unit

■ 8 pulse-width modulator (PWM) outputs with 8-bit resolution

■ 16-bit watchdog timer

■ Sixteen 10-bit A/D channels with autoscan mode and dedicated results registers

■ Serial debug unit provides read and write access to code RAM with no CPU overhead

■ Chip-select unit (CSU)

■ 3 chip-select pins

■ Dynamic demultiplexed/multiplexed address/data bus for each chip-select

■ Programmable wait states (0, 1, 2, or 3) for each chip-select

■ Programmable bus width (8- or 16-bit) for each chip-select

■ Programmable address range for each chip-select

■ Event processor array (EPA)

■ 4 flexible 16-bit timer/counters

■ 17 high-speed capture/compare channels

■ 8 output-only channels capture value of any other timer upon compare, providing easy conversion between angle and time domains

■ Programmable clock output signal

■ 160-pin QFP package

■ Complete system development support

■ High-speed CHMOS technology