Fujitsu FR81S User Manual
CHAPTER 1: OVERVIEW
3. Product Line-up
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : OVERVIEW
FUJITSU SEMICONDUCTOR CONFIDENTIAL
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MB91F522B MB91F523B MB91F524B MB91F525B MB91F526B
Low-voltage detection
reset
Yes
Flash Security
Yes
ECC Flash/WorkFlash
Yes
ECC RAM
Yes
Memory Protection
Function (MPU)
Yes
Floating-point arithmetic
(FPU)
Yes
Real Time Clock (RTC)
Yes
General-purpose port
(#GPIOs)
44 ports
SSCG
Yes
Sub clock
Yes
CR oscillator
Yes
OCD(On Chip Debug)
Yes
TPU
(Timing Protection Unit)
Yes
Key Code Register
Yes
Wave Generator
6 channels
NMI request function
Yes
Operation guaranteed
temperature (Ta)
-40 to +125°C
Power supply
2.7 V to 5.5 V
Package
LQFP-64
MB91520 Series
MN705-00010-1v0-E
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