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PDF MB90F385 Data sheet ( Hoja de datos )
| Número de pieza | MB90F385 | |
| Descripción | (MB90F385 Series) 16-bit Proprietary Microcontroller | |
| Fabricantes | Fujitsu Media Devices | |
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FUJITSU SEMICONDUCTOR
DATA SHEET
DS07-13717-3E
16-bit Proprietary Microcontroller
CMOS
F2MC-16LX MB90385 Series
MB90387/387S/F387/F387S/MB90V495G
s DESCRIPTION
MB90385 series devices are general-purpose high-performance 16-bit micro controllers designed for process
control of consumer products, which require high-speed real-time processing. The devices of this series have the
built-in full-CAN interface.
The system, inheriting the architecture of F2MC* family, employs additional instruction ready for high-level lan-
guages, expanded addressing mode, enhanced multiply-divide instructions, and enriched bit-processing instruc-
tions. Furthermore, employment of 32-bit accumulator achieves processing of long-word data (32 bits).
The peripheral resources of MB90385 series include the following:
8/10-bit A/D converter, UART (SCI), 8/16-bit PPG timer, 16-bit input-output timer (16-bit free-run timer, input
capture 0, 1, 2, 3 (ICU)), and CAN controller.
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*: “F2MC”, an abbreviation for FUJITSU Flexible Microcontroller, is a registered trademark of FUJITSU Ltd.
DataShee
s FEATURES
• Clock
• 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 4 times of oscillation clock (for 4-MHz oscillation clock, 4 MHz to 16 MHz).
• Operation by sub-clock (8.192 kHz) is allowed.
• Minimum execution time of instruction: 62.5 ns (when operating with 4-MHz oscillation clock, and 4-time multi-
plied PLL clock).
s PACKAGE
(Continued)
48-pin plastic-LQFP
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(FPT-48P-M26)
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MB90385 Series
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(Continued)
Parameter
Part Number
MB90F387/S
MB90387/S
MB90V495G
Delay interrupt generator
module
Interrupt generator module for task switching. Used for realtime OS.
DTP/External interrupt
Number of inputs: 4
Activated by rising edge, falling edge, “H” level or “L” level input.
External interrupt or expanded intelligent I/O service (EI2OS) is available.
8/10-bit A/D converter
Number of channels: 8
Resolution: Selectable 10-bit or 8-bit.
Conversion time: 6.125 µs (at 16-MHz machine clock, including sampling time)
Sequential conversion of two or more successive channels is allowed. (Setting
a maximum of 8 channels is allowed.)
Single conversion mode : Selected channel is converted only once.
Sequential conversion mode: Selected channel is converted repetitively.
Halt conversion mode
: Conversion of selected channel is stopped and
activated alternately.
UART(SCI)
CAN
Number of channels: 1
Clock-synchronous transfer: 62.5 Kbps to 2 Mbps
Clock-asynchronous transfer: 9,615 bps to 500 Kbps
Communication is allowed by bi-directional serial communication function and
master/slave type connection.
Compliant wiDthaVtaeSrh2e.0eAt4aUn.cdoVmer 2.0B CAN specifications.
8 built-in message buffers.
Transmission rate of 10 Kbps to 1 Mbps (by 16 MHz machine clock)
CAN wake-up
*1 : Settings of DIP switch S2 for using emulation pod MB2145-507. For details, see MB2145-507 Hardware Manual
(2.7 Power Pin solely for Emulator).
*2 : MB90387S, MB90F387S
DataShee
s PACKAGES AND PRODUCT MODELS
Package
MB90F387/S
FPT-48P-M26
: Yes × : No
Note : Refer to PACKAGE DIMENSION for details of the package.
MB90387/S
s PRODUCT COMPARISON
Memory space
When testing with test product for evaluation, check the differences between the product and a product to be
used actually. Pay attention to the following points:
• The MB90V495G has no built-in ROM. However, a special-purpose development tool allows the operations
as those of one with built-in ROM. ROM capacity depends on settings on a development tool.
• On MB90V495G, an image from FF4000H to FFFFFFH is viewed on 00 bank and an image of FE0000H to
FF3FFFH is viewed only on FE bank and FF bank. (Modified on settings of a development tool.)
DataSheet4U.co•mOn MB90F387/S/387/S, an image from FF4000H to FFFFFFH is viewed on 00 bank and an image of FE0000H
to FF3FFFH is viewed only on FF bank.
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MB90385 Series
s HANDLING DEVICES
• Do Not Exceed Maximum Rating (preventing “latch up”)
• On a CMOS IC, latch-up may occur when applying a voltage higher than Vcc or a voltage lower than Vss to
input or output pin, which has no middle or high withstand voltage. Latch-up may also occur when a voltage
exceeding maximum rating is applied across Vcc and Vss.
• Latch-up causes drastic increase of power current, which may lead to destruction of elements by heat. Extreme
caution must be taken not to exceed maximum rating.
• When turning on and off analog power source, take extra care not to apply an analog power voltages (AVcc
and AVR) and analog input voltage that are higher than digital power voltage (Vcc).
• Handling Unused Pins
• Leaving unused input pins open may cause permanent destruction by malfunction or latch-up. Apply pull-up
or pull-down process to the unused pins using resistors of 2 kΩ or higher. Leave unused input pins open under
output status, or process as input pins if they are under input status.
• Using External Clock
• When using an external clock, drive only X0 pin and leave X1 pin open. An example of using an external clock
is shown below.
• Using external clock
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X0
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MB90385 series
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• Notes When Using No Sub Clock
• If an oscillator is not connected to X0A and X1A pin, apply pull-down resistor to X0A pin and leave X1A pin open.
• About Power Supply Pins
• If two or more Vcc and Vss exist, the pins that should be at the same potential are connected to each other
inside the device. For reducing unwanted emissions and preventing malfunction of strobe signals caused by
increase of ground level, however, be sure to connect the Vcc and Vss pins to the power source and the ground
externally.
• Pay attention to connect a power supply to Vcc and Vss of MB90385 series device in a lowest-possible
impedance.
• Near pins of MB90385 series device, connecting a bypass capacitor is recommended at 0.1 µF across Vcc
and Vss.
• Crystal Oscillator Circuit
• Noises around X0 and X1 pins cause malfunctions on a MB90385 series device. Design a print circuit so that
X0 and X1 pins, an crystal oscillator (or a ceramic oscillator), and bypass capacitor to the ground become as
close as possible to each other. Furthermore, avoid wires to X0 and X1 pins crossing each other as much as
possible.
• Print circuit designing that surrounds X0 and X1 pins with grounding wires, which ensures stable operation,
is strongly recommended.
• Caution on Operations during PLL Clock Mode
• If the PLL clock mode is selected, the microcontroller attempt to be working with the self-oscillating circuit even
DataSheet4U.comwhen there is no external oscillator or external clock input is stopped. Performance of this operation, however,
cannot be guaranteed.
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