MB90678PF Просмотр технического описания (PDF) - Fujitsu
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MB90678PF Datasheet PDF : 106 Pages
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MB90670/675 Series
s PRODUCT LINEUP
• MB90670 series
Part number
Item
MB90671
MB90672
MB90673
MB90T673
MB90P673
Classification
Mask ROM products
External ROM
product
One-time
PROM
product
ROM size
16 Kbytes
32 Kbytes
48 Kbytes
External ROM 48 Kbytes
RAM size
640 bytes
1.64 Kbytes
2 Kbytes
CPU functions
Number of instructions: 340
Instruction bit length:8 bits, 16 bits
Instruction length: 1 byte to 7 bytes
Data bit length: 1 bit, 8 bits, 16 bits
Minimum execution time: 62.5 ns (at machine clock of 16 MHz)
Interrupt processing time: 1.5 µs (at machine clock of 16 MHz, minimum value)
Ports
General-purpose I/O ports (CMOS output): 57
General-purpose I/O ports (N-ch open-drain output): 8
Total: 65
UART0
Clock synchronized transmission (500 Kbps to 2 Mbps)
Clock asynchronized transmission (4800 Kbps to 500 Kbps)
Transmission can be performed by bi-directional serial transmission or by master/slave
connection.
UART1 (SCI)
Clock synchronized transmission (500 Kbps to 2 Mbps)
Clock asynchronized transmission (2400 Kbps to 62500 bps)
Transmission can be performed by bi-directional serial transmission or by master/slave
connection.
8/10-bit A/D converter
Conversion precision: 10-bit or 8-bit selectable
Number of inputs: 8
One-shot conversion mode (converts selected channel only once)
Continuous conversion mode (converts selected channel continuously)
Stop conversion mode (converts selected channel and stop operation repeatedly)
8/16-bit PPG timer
Number of channels: 2
8-bit or 16-bit PPG operation
A Pulse wave of given intervals and given duty ratios can be output.
Pulse cycle: 125 ns to 16.78 s (at oscillation of 4 MHz, machine clock of 16 MHz)
16-bit reload timer
Number of channels: 2
16-bit reload timer operation
Interval: 125 ns to 131 ms (at machine clock of 16 MHz)
External event count can be performed.
24-bit free run timer
Number of channel :1
Overflow interrupts or intermediate bit interrupts may be generated.
Output compare unit
(OCU)
Number of channels: 8
Pin input factor: A match signal of compare register
(Continued)
4
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