
User’s Manual U17790EJ2V0UD
1089
APPENDIX B MAJOR DIFFERENCES BETWEEN V850ES/SJ3 AND V850ES/SJ2
Differences between the V850ES/SJ3 and V850ES/SJ2 are shown below. For details, refer to each corresponding
section.
Table B-1. Major Differences Between V850ES/SJ3 and V850ES/SJ2 (1/2)
Major Differences
V850ES/SJ3
V850ES/SJ2
Refer to:
Introduction: Minimum instruction
execution time
31.25 ns
50 ns (31.25 ns for 32 MHz operation
products)
1.2
Pin function: Pin status of
P10/ANO0, P11/ANO1 (when
power is applied)
Hi-Z
Undefined
2.2
Internal flash memory
384/512/640/768/1024 KB
384/640 KB
3.4.4 (1)
CPU
function
Internal RAM
32/40/48/60 KB
32/40/48 KB
3.4.4 (2)
Timer P: Cautions
Changed cautions
7.7 (1)
Timer Q: Cautions
Changed cautions
8.7 (1)
A/D converter: Proportion of
sampling time during conversion
8/26 clocks
4/26 clocks
13.5.2
UART: Maximum transfer rate
625 kbps
312.5 kbps
15.2
I
2C bus: Products without I2C bus
None (all products incorporate I
2C
bus)
Provided
Chapter 17
Reset function: Firmware operation
after releasing internal system
reset
None
Provided (flash memory versions only)
25.3.4
Low-voltage detection
interrupt (INTLVI)
occurrence source
When supply voltage drops or rises
across the detection voltage
When supply voltage drops below the
detection voltage
27.3 (1)
Low-voltage detection
level
2.95 V (TYP.)
3.0 V
± 0.15 V
27.3 (2)
Low-
voltage
detector
(LVI)
RAMS.RAMF bit set
conditions
Voltage lower than detection level is
detected
Set by instruction
Voltage lower than detection level is
detected
Set by instruction
Reset by WDT2 and CLM occurs
Reset by RESET pin occurs during
internal RAM accessing
27.3 (3)
Regulator: Supply clock to sub-
oscillator
Supply voltage (VDD)
Regulator output voltage
28.1
Block configuration
Block 0 to last block: 4 KB each
Blocks 0 to 3: 28 KB each
Blocks 4 to 7: 4 KB each
Block 8 to last block: 64 KB each
Flash
memory
Boot area
64 KB
56 KB
30.2
On-chip
debug
function
Cautions on reset
related to software
breakpoint
None
Provided (refer to 31.7 (3) in User’s
Manual (U16603E))
31.7
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