
CHAPTER 1 INTRODUCTION
User
’
s Manual U15862EJ3V0UD
47
1.4 V850ES/KJ1
1.4.1 Features (V850ES/KJ1)
{
Number of instructions: 83
{
Minimum instruction execution time: 50 ns (operation at main clock (f
XX
) = 20 MHz)
{
General-purpose registers: 32 bits
×
32 registers
{
Instruction set: Signed multiplication (16
×
16
→
32): 1 to 2 clocks
(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
Memory block division function: 2 MB, 2 MB, 4 MB, 8 MB (Total of 4 blocks)
{
External bus interface
16-bit data bus
Address bus: Separate output possible
{
Internal memory
μ
PD703216, 703216Y (Mask ROM: 96 KB/RAM: 6 KB)
μ
PD703217, 703217Y (Mask ROM: 128 KB/RAM: 6 KB)
μ
PD70F3217, 70F3217Y (Flash memory: 128 KB/RAM: 6 KB)
{
Interrupts and exceptions
Non-maskable interrupts: 3 sources
Maskable interrupts:
43 sources (
μ
PD703216, 703217, 70F3217)
45 sources (
μ
PD703216Y, 703217Y, 70F3217Y)
Software exceptions:
32 sources
Exception trap:
1 source
{
I/O lines:
Total: 128
{
Key interrupt function
{
Timer/counter
16-bit timer/event counter: 6 channels
8-bit timer/event counter: 2 channels
8-bit timer H: 2 channels
{
Watch timer: 1 channel
{
Watchdog timers
Watchdog timer 1 (also usable as oscillation stabilization timer): 1 channel
Watchdog timer 2: 1 channel
{
Serial interface (SIO)
Asynchronous serial interface (UART): 3 channels
3-wire serial I/O (CSI0): 3 channels
3-wire serial I/O (with automatic transmit/receive function) (CSIA): 2 channels
I
(
μ
PD703216Y, 703217Y, 70F3217Y)
{
A/D converter: 10-bit resolution
×
16 channels
{
D/A converter: 8-bit resolution
×
2 channels
{
Real-time output port: 6 bit
×
2 channels
{
Power-save functions: HALT/IDLE/STOP modes, subclock/sub-IDLE modes
2
C bus interface (I
2
C): 2 channels