Fujitsu manual New Products, MB90890 Series, FIND Vol.21, No.1

New Products MB90890 Series

Table 1 Product Lineup

Model	MB90V495G	MB90F897/S
Item
Type	Evaluation	Flash memory type
ROM density	Not installed	64K-byte
RAM density	6K-byte	2K-byte
	Number of instructions：351�
	Maximum instruction execution time：62.5ns at an operating frequency of 4MHz (4 times the base oscillator frequency)�
CPU functions	Available addressing types：23�
	Allowable program patching：2 address pointers�
	Maximum storage space：16M-byte
Power-saving (Standby mode)	Sleep mode/Clock mode/Time-base timer mode/Stop mode/CPU intermittent mode
I/O port	General-purpose I/O port (CMOS output)：34 (36＊) Four of them intended for higher-current output ports
Time-base timer	8-bit free-running counter�
	Interruption interval：1.024ms, 4.096ms, 16.834ms, 131.072ms (at an oscillation clock frequency of 4MHz)
Watchdog timer	Reset occurring interval：3.58ms, 14.33ms, 57.23ms, 458.75ms (at an oscillation clock frequency of 4MHz)
16-bit I/O timer	16-bit free-running timer：1 channel�
	Input capture：4 channels
	Number of channels：2�
16-bit reload timer	Count clock interval：0.25μs，0.5μs，2.0μs (Machine clock frequency 16MHz)�
	Available external event counting
Clock timer	15-bit free-running counter�
	Interruption interval：31.25ms，62.5ms，12ms，250ms，500ms，1.0ms，2.0ms (at 8.192kHz sub clock)
	Number of channels：2-channel (Available in the 8-bit×4-channel configuration)�
8/16-bit PPG timer	PPG operation available in both the 8-bit×4-channel and 16-bit×2-channel configurations�
	Allowable output of pulse waveform at any desired period and duty factor�
	Count clock：62.5ns to 1μs (at a machine clock frequency of 16MHz)
Delayed interruption generating�	Interruption generating module for task changing�
module	Used with the real-time OS
DTP/External interruption	Number of channels：4�
	Rise edge/Fall edge activated in response to the input of "H" and "L" levels�
	Available external interruption or extended intelligent I/O service (EI2OS)
10-bit A/D converter	Number of channels：8�
	Resolution：Either 10-bit or 8-bit�
	Conversion time：6.125μs (at a machine clock frequency of 16MHz, including the sampling time)
	Number of channels：2�
	With full duplex double buffers�
UART（SCI）�	Transmission available in either state, synchronous or asynchronous to clock�
	Also can be used as serial I/O�
	Dedicated baud rate generator incorporated
Process	CMOS
Package	PGA256	LQFP-48
Operating voltage	4.5V to 5.5V	3.5V to 5.5V

＊34 for MB90897：36 for MB90F897

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FIND Vol.21

No.1 2003