MB90352S Datasheet PDF - Fujitsu Media Devices


Fujitsu Media Devices

Part Number MB90352S
Description 16-bit Proprietary Microcontroller
Page 30 Pages

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16-bit Proprietary Microcontroller
F2MC-16LX MB90350 Series
MB90F352/S, MB90352/S
The MB90350-series with 1 channel FULL-CAN* interface and FLASH ROM is especially designed for automotive
and industrial applications. Its main feature is the on-board CAN Interface, which conform to V2.0 Part A and Part
B, while supporting a very flexible message buffer scheme and so offering more functions than a normal full CAN
approach. With the new 0.35 µm CMOS technology, Fujitsu now offers on-chip FLASH-ROM program memory
up to 128 Kbytes. An internal voltage booster removes the necessity for a second programming voltage.
An on board voltage regulator provides 3 V to the internal MCU core. This creates a major advantage in terms
of EMI and power consumption.
The internal PLL clock frequency multiplier provides an internal 42 ns instruction cycle time from an external
4 MHz clock.
The unit features a 4 channel Output Compare Unit and 6 channel Input Capture Unit with 2 separate 16-bit free
running timers. 2 channels UART constitute additional functionality for communication purposes.
* : Controller Area Network (CAN) - License of Robert Bosch GmbH
Note : F2MC stands for FUJITSU Flexible Microcontroller, a registered trademark of FUJITSU LIMITED.
64-pin Plastic LQFP

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MB90350 Series
• Built-in PLL clock frequency multiplication circuit
• Selection of machine clocks (PLL clocks) is allowed among frequency division by two on oscillation clock, and
multiplication of 1 to 6 times of oscillation clock (for 4 MHz oscillation clock, 4 MHz to 24 MHz).
• Operation by sub-clock (up to 50 kHz : 100 kHz oscillation clock divided by two) is allowed. (devices without
S-suffix only)
• Minimum execution time of instruction : 42 ns (when operating with 4-MHz oscillation clock, and 6-time multi-
plied PLL clock).
• Built-in clock modulation circuit
16 Mbyte CPU memory space
• 24-bit internal addressing
External Bus Interface
• 4 MByte external memory space
Instruction system best suited to controller
• Wide choice of data types (bit, byte, word, and long word)
• Wide choice of addressing modes (23 types)
• Enhanced multiply-divide instructions and RETI instructions
• Enhanced high-precision computing with 32-bit accumulator
Instruction system compatible with high-level language (C language) and multitask
• Employing system stack pointer
• Enhanced various pointer indirect instructions
• Barrel shift instructions
Increased processing speed
• 4-byte instruction queue
Powerful interrupt function
• Powerful 8-level, 34-condition interrupt feature
• Up to 8 channels external interrupts are supported
Automatic data transfer function independent of CPU
• Extended intelligent I/O service function (EI2OS) : up to 16 channels
• DMA : up to 16 channels
Low power consumption (standby) mode
• Sleep mode (a mode that halts CPU operating clock)
• Main timer mode (a timebase timer mode switched from the main clock mode)
• PLL timer mode (a timebase timer mode switched from the PLL clock mode)
• Watch mode (a mode that operates sub clock and clock timer only)
• Stop mode (a mode that stops oscillation clock and sub clock)
• CPU blocking operation mode
• CMOS technology
I/O port
• General-purpose input/output port (CMOS output)
- 49 ports (devices without S-suffix)
- 51 ports (devices with S-suffix)

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MB90350 Series
• Time-base timer, clock timer, watchdog timer : 1 channel
• 8/16-bit PPG timer : 8-bit × 10 channels, or 16-bit × 6 channels
• 16-bit reload timer : 4 channels
• 16- bit input/output timer
- 16-bit free run timer : 2 channels (FRT0 : ICU0/1, FRT1 : ICU 4/5/6/7, OCU 4/5/6/7)
- 16- bit input capture: (ICU) : 6 channels
- 16-bit output compare : (OCU) : 4 channels
Full-CAN interface : 1 channel
• Compliant with Ver2.0A and Ver2.0B CAN specifications
• Flexible message buffering (mailbox and FIFO buffering can be mixed)
• CAN wake-up function
UART (LIN/SCI) : 2 channels
• Equipped with full-duplex double buffer
• Clock-asynchronous or clock-synchronous serial transmission is available
I2C interface* : 1 channel
• Up to 400 Kbit/s transfer rate
DTP/External interrupt : 8 channels, CAN wakeup : 1 channel
• Module for activation of extended intelligent I/O service (EI2OS), DMA, and generation of external interrupt.
Delay interrupt generator module
• Generates interrupt request for task switching.
8/10-bit A/D converter : 15 channels
• Resolution is selectable between 8-bit and 10-bit.
• Activation by external trigger input is allowed.
• Conversion time : 3 µs (at 24-MHz machine clock, including sampling time)
Program patch function
• Address matching detection for 6 address pointers.
Internal voltage regulator
• Supports 3 V MCU core, offering low EMI and low power consumption figures
Programmable input levels
• Automotive/CMOS-Schmitt (initial level is Automotive in Single chip mode)
• TTL level (initial level for External bus mode)
Flash security function
• Protects the content of Flash (Flash device only)
* : I2C license :
Purchase of Fujitsu I2C components conveys a license under the Philips I2C Patent Rights to use, these com-
ponents in an I2C system provided that the system conforms to the I2C Standard Specification as defined by

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MB90350 Series
Part Number
MB90F352/S, MB90352/S*1
System clock
On-chip PLL clock multiplier (×1, ×2, ×3, ×4, ×6, 1/2 when PLL stops)
Minimum instruction execution time : 42 ns (4 MHz osc. PLL × 6)
Boot-block, Flash memory
128 Kbytes
4 Kbytes
30 Kbytes
power supply*2
0.35 µm CMOS with regulator for internal power supply +
Flash memory charge pump for programming voltage
0.35 µm CMOS with
regulator for internal
power supply
voltage range
3.5 V - 5.5 V : at normal operating (not using A/D converter)
4.0 V - 5.5 V : at using A/D converter/Flash programming
4.5 V - 5.5 V : at using external bus
5 V ± 10%
Temperature range 40 °C to +105 °C (125 °C up to 16 MHz machine clock)
2 channels
3 channels
Wide range of baud rate settings using a dedicated reload timer
Special synchronous options for adapting to different synchronous serial protocols
LIN functionality working either as master or slave LIN device
I2C (400 kbit/s)
1 channel
1 channel
15 channels
10-bit or 8-bit resolution
Conversion time : Min 3 µs include sample time (per one channel)
16-bit Reload Timer Operation clock frequency : fsys/21, fsys/23, fsys/25 (fsys = Machine clock frequency)
(4 channels)
Supports External Event Count function
I/O Timer
(2 channels)
Signals an interrupt when overflowing
Supports Timer Clear when a match with Output Compare (Channel 0, 4)
Operation clock freq. : fsys, fsys/21, fsys/22, fsys/23, fsys/24, fsys/25, fsys/26, fsys/27
(fsys = Machine clock freq.)
I/O Timer 0 (clock input FRCK0) corresponds to ICU 0/1
I/O Timer 1 (clock input FRCK1) corresponds to ICU 4/5/6/7, OCU 4/5/6/7
16-bit Output
(4 channels)
Signals an interrupt when 16-bit I/O Timer match output compare registers.
A pair of compare registers can be used to generate an output signal.
16-bit Input Capture Rising edge, falling edge or rising & falling edge sensitive
(6 channels)
Signals an interrupt upon external event

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