Features - NEC V850ES/KE1+ User Manual

1.2 Features

Minimum instruction execution time: 50 ns (operation at main clock (f
General-purpose registers: 32 bits × 32 registers
Signed multiplication (16 × 16 → 32): 1 to 2 clocks
CPU features:
(Instructions without creating register hazards can be continuously executed in parallel)
Saturated operations (overflow and underflow detection functions are included)
32-bit shift instruction: 1 clock
Bit manipulation instructions
Load/store instructions with long/short format
Memory space: 64 MB of linear address space
• Internal memory
μ
PD703302, 703302Y (Mask ROM: 128 KB/RAM: 4 KB)
μ
PD70F3302, 70F3302Y (Single-power flash memory: 128 KB/RAM: 4 KB)
Interrupts and exceptions
Non-maskable interrupts: 3 sources
Maskable interrupts:
Software exceptions:
Exception trap:
I/O lines: Total: 51
Key interrupt function
Timer function
16-bit timer/event counter P: 1 channel
16-bit timer/event counter 0: 1 channel
8-bit timer/event counter 5:
8-bit timer H:
8-bit interval timer BRG:
Watch timer/interval timer:
Watchdog timers
Serial interface
Asynchronous serial interface (UART) (supporting LIN): 1 channel
Asynchronous serial interface (UART):
3-wire serial I/O (CSI0):
2
I C bus interface (I
μ
( PD703302Y, 70F3302Y)
A/D converter: 10-bit resolution × 8 channels
Real-time output port: 6 bits × 1 channel
Standby functions: HALT/IDLE/STOP
operation/internal oscillation HALT modes
ROM correction: 4 correction addresses specifiable
Clock generator
Main clock oscillation (f
CPU clock (f
Clock-through mode/PLL mode selectable
CHAPTER 1 INTRODUCTION
32 sources (
33 sources (
32 sources
1 source
2 channels
2 channels
1 channel
1 channel
Watchdog timer 1 (also usable as oscillation stabilization timer): 1 channel
Watchdog timer 2:
2
C):
modes,
)/subclock oscillation (f
X
) 7 steps (f , f /2, f
CPU XX XX
User's Manual U16896EJ2V0UD
) = 20 MHz)
XX
μ
PD703302, 70F3302)
μ
PD703302Y, 70F3302Y)
1 channel
2 channels
1 channel
subclock/sub-IDLE modes,
)/internal oscillator (f
XT
/4, f /8, f /16, f /32, f
XX XX XX XX
1 channel
internal oscillation
)
R
)
XT
clock
23