![](http://datasheet.mmic.net.cn/370000/UPD70F3214HGC-8EU_datasheet_16743828/UPD70F3214HGC-8EU_24.png)
CHAPTER 1 INTRODUCTION
User’s Manual U16890EJ1V0UD
24
1.2 Features
{
Minimum instruction execution time: 50 ns (operation at main clock (f
XX
) = 20 MHz)
{
General-purpose registers: 32 bits
×
32 registers
{
CPU features:
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 (Total of 2 blocks)
Internal memory
μ
PD703212, 703212Y (Mask ROM: 64 KB/RAM: 4 KB)
μ
PD703213, 703213Y (Mask ROM: 96 KB/RAM: 4 KB)
μ
PD703214, 703214Y (Mask ROM: 128 KB/RAM: 6 KB)
μ
PD703215, 703215Y (Mask ROM: 256 KB/RAM: 16 KB)
μ
PD70F3214, 70F3214Y, 70F3214H, 70F3214HY (Flash memory: 128 KB/RAM: 6 KB)
μ
PD70F3215H, 70F3215HY (Flash memory: 256 KB/RAM: 16 KB)
External bus interface
Separate bus/multiplex bus output selectable
8-/16-bit data bus sizing function
Wait function
Programmable wait function
External wait function
Idle state function
Bus hold function
{
Interrupts and exceptions
Non-maskable interrupts: 3 sources
Maskable interrupts:
35 sources (
μ
PD703212, 703213, 703214, 70F3214, 70F3214H)
36 sources (
μ
PD703212Y, 703213Y, 703214Y, 70F3214Y,
38 sources (
μ
PD703215, 70F3215H)
39 sources (
μ
PD703215Y, 70F3215HY)
Software exceptions:
32 sources
Exception trap:
1 source
{
I/O lines:
Total: 84
{
Key interrupt function
{
Timer function
16-bit timer/event counter P: 1 channel (
μ
PD703215, 703215Y, 70F3215H, 70F3215HY only)
16-bit timer/event counter 0: 4 channels
8-bit timer/event counter 5: 2 channels
8-bit timer H:
2 channels
8-bit interval timer BRG:
1 channel
Watch timer/interval timer:
1 channel
Watchdog timers
Watchdog timer 1 (also usable as oscillation stabilization timer): 1 channel
Watchdog timer 2:
70F3214HY)
1 channel