CHAPTER 1 OVERVIEW OF EACH PRODUCT
1.2 Features
Commercial Name
V850E/MA1
50 MHz
V850E/MA2
40 MHz
V850E/MA3
V850E/ME2
150 MHz
Maximum operating
frequency
80 MHz
Internal Mask ROM
−
128
256
10
−
−
−
4
256
512
−
−
−
memory
Flash memory
−
256
−
512
(KB)
RAM
4
16 32 16
32
Instruction RAM: 128
Data RAM: 16
Cache (KB)
−
Instruction cache: 8
Separate
26 bits
External Bus type
Separate
26 bits
8/16 bits
8
Separate
25 bits
8/16 bits
4
Separate/multiplexed
bus
Address bus
26 bits
8/16 bits
8
Data bus
Chip select signals
Memory controller
16/32 bits
8
SDRAM, EDO DRAM, SDRAM, SRAM, etc.
SRAM, etc.
Interrupts ExternalNote 1
Internal
17 (17)
4 (4)
26 (26)
49
40 (31)
59
41
27
DSP
32 × 32 → 64
20 to 40 ns (50 MHz)
25 to 50 ns (40 MHz)
12.5 to 25 ns (80 MHz) 6.7 to 13.3 ns (150 MHz)
function
32 × 32 + 32 → 32 60 ns (50 MHz)
75 ns (40 MHz)
37.5 ns (80 MHz)
20 ns (150 MHz)
16-bit
timer
TMC
4 ch
2 ch
−
3 ch
1 ch
4 ch
1 ch
1 ch
−
6 ch
TMP
−
−
−
−
TMQ
−
−
Interval timer
Up/down counter
4 ch
4 ch
4 ch
2 ch
−
−
−
−
Watchdog timer
−
Serial
CSI
1 ch
1 ch
2 ch
−
1 ch
1 ch
1 ch
−
interface
UART
−
−
CSI/UART
UART/I2C
2 ch
3 ch
1 chNote 2
8 ch
2 ch
4 ch
11
−
−
−
10-bit A/D converter
8-bit D/A converter
DMA controller
8 ch
4 ch
8 ch
−
−
4 ch
9
4 ch
5
4 ch
7
Ports
CMOS input
CMOS I/O
106
74
101
77
Debug functions
−
−
Provided (RUN, break) Provided (RUN, break,
trace)
Other peripheral functions
Power supply voltage
PWM × 2 ch
3.0 to 3.6 V
528 mW
−
ROM correction function USB function, SSCG,
PWM × 2 ch
2.3 to 2.7 V (internal)
3.0 to 3.6 V (external)
1.5 V (internal)
3.3 V (external)
Power consumption
(mask version TYP.)
416 mW
575 mW
200 mW
Package
144-pin LQFP (20 × 20) 100-pin LQFP (14 × 14) 144-pin LQFP (20 × 20) 176-pin LQFP (20 × 20)
161-pin FBGA (13 × 13)
161-pin FBGA (13 × 13) 240-pin FBGA (16 × 16)
Operating ambient
temperature
TA = −40 to +85°C
TA = −40 to +85°C
(@133 MHz)
TA = −40 to +70°C
(@150 MHz)
Notes 1. The figure in parentheses indicates the number of external interrupts that can release STOP mode.
2. Available only in on-chip I2C products (Y products).
11
Application Note U17121EJ1V1AN
NEC [ NEC ]
