
MB90F243H
2
(Continued)
Instruction set supports high-level language (C language) and multitasking
Inclusion of system stack pointer
Variety of pointers
High instruction set symmetry
Barrel shift instruction
Stack clock function
Improved execution speed: 8-byte queue
Powerful interrupt functions
Interrupt processing time: 0.8
s at 40 MHz oscillation
Priority levels: 8 levels (programmable)
External interrupt inputs: 4 channels
Automatic transfer function independent of CPU
Extended intelligent I/O Service: max.15 channels
128-Kbyte flash memory
Access time (min.) : 120 ns
Sector structure of 16K + 512
× 2 + 7K + 8K + 32K + 64K
Program/erase operations from both programmers and CPUs through built-in flash memory interface circuit
Built-in program booster
Internal RAM: 1 Kbyte
According to mode settings, data stored on RAM can be executed as CPU instructions.
General-purpose ports: max. 62 channels (single-chip mode)
max. 38 channels (external bus mode)
18-bit timebase timer
Watchdog timer
UART: 8 bits
× 1 channel
8/16-bit I/O simple serial interface (max. 10 Mbps): 1 channel
8/10-bit A/D converter: analog inputs: 6 channels
Resolution: 10 bits (switchable to 8 bits)
Conversion time: min. 1.0
s
Conversion result store register: 4 channels
16-bit free-run timer: 1 channel (operating clock: 0.2
s)
16-bit input capture: 4 channels
16-bit reload timer: 3 channels
Low-power consumption modes
Sleep mode
Stop mode
Hardware standby mode
Package: TQFP-80
CMOS technology