MB91133 データシートの表示（PDF） - Fujitsu

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MB91133

32-Bit RISC Microcontroller

Fujitsu 

MB91133/MB91F133

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2. Bus Interface

• 24-bit address output, 8/16-bit data input/output

• Basic bus cycle : 2 clock cycles

• Interface support for various memories

• Unused data and address pins can be used as input/output ports.

• Supports “little endian” mode

3. Built-in ROM

Mask device : 254 KB; FLASH device : 254 KB; EVA-FLASH device : 254 KB

4. Built-in RAM

Mask device : 8 KB; FLASH device : 8 KB; EVA-FLASH device : 8 KB

5. DMA Controller

This is a descriptor-type MA controller whose transfer parameters are arranged in the main memory.

A maximum of 8 factors in total (internal and external) can be transferred.

External factors are 3 channels.

6. Bit Search Module

Searches the first “1” / “0” change bit positions within 1 cycle from MSB in 1 word

7. Timer

• 16-bit reload timer × 5 channels

• 16-bit OCU × 8 channels, ICU × 4 channels, free-run timer × 1 channel

Output waveform adjusting function for AC motor waveforms is included in the above timer.

• 8/16-bit up/down timer/counter (8-bit × 2 channels or 16-bit × 1 channel)

External interruption and pin are shared for AIN and BIN.

• 16-bit down count timer × 5 channels; can also be used as the UART baud rate timer

• 16-bit PPG timer × 6 channels; out-pulse cycle / duty can be changed at random

8. D/A Converter

• 8-bit × 3 channels

9. A/D Converter (Sequential comparison type)

• 10-bit × 8 channels

• Sequential conversion method (conversion time 5.0 µs at 33 MHz)

• Setting for single conversion, scan conversion and repeat conversion is possible.

• Conversion starting function using hardware or software

10. Serial I/O

• UART × 5 channels; clock synchronous serial transfer with LSB / MSB switching function is possible for both.

• Serial data output or serial lock output can be selected using push-pull / open-drain software.

11. Level Comparator Input

• 1 channel; shared input and pins of A/D converter.

12. Clock Switching Function

• Base clock : Software can be used to select from two types of clock sources, namely 32 kHz and high-speed.

• Gear function : Four types of settings (1 : 1, 1 : 2, 1 : 4, 1 : 8) can be set individually as the operating clock

ratio to the basic clock per CPU and peripheral equipment.

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