MB90678PF 查看數據表（PDF） - Fujitsu
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MB90678PF Datasheet PDF : 106 Pages
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MB90670/675 Series
• MB90675 series
Part number
Item
MB90676
MB90677
MB90678 MB90T678 MB90P678 MB90V670
Classification
Mask ROM products
External ROM
product
One-time
PROM
product
Evaluation
product
ROM size
32 Kbytes 48 Kbytes 64 Kbytes
None
64 Kbytes
—
RAM size
1.64 Kbytes 2 Kbytes
3 Kbytes
4 Kbytes
CPU functions
The 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): 74
General-purpose I/O ports (N-ch open-drain output): 10
Total: 84
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 con-
verter
Conversion precision: 10-bit or 8-bit can be selectively used.
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
PPG operation of 8-bit or 16-bit
Pulse of given intervals and given duty ratios can be output
Pulse interval 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
(OCU)
Number of channels: 8
Pin input factor: a match signal of compare register
(Continued)
6
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