Preliminary User’s Manual U16846EJ1V0UD
15
CHAPTER 1 OUTLINE
1.1 Features
{
Minimum instruction execution time can be changed from high speed (0.125
µ
s: @ 16 MHz operation with high-
speed system clock) to low-speed (2.0
µ
s: @ 16 MHz operation with high-speed system clock)
{
General-purpose register: 8 bits
×
32 registers (8 bits
×
8 registers
×
4 banks)
{
ROM, RAM capacities
Part Number
Item
Program Memory
(ROM)
Data Memory
(Internal High-Speed RAM)
µ
PD78F0101H 8
KB
Note
512
bytes
µ
PD78F0102H 16
KB
Note
µ
PD78F0103H
Flash memory
24 KB
Note
768 bytes
Note The internal flash memory and internal high-speed RAM capacities can be changed using the internal
memory size switching register (IMS).
{
On-chip single-power-supply flash memory
{
Self-programming (with boot swap function)
{
On-chip power-on-clear (POC) circuit and low-voltage detector (LVI)
{
Short startup is possible via the CPU default start using the on-chip Ring-OSC
{
On-chip clock monitor function using on-chip Ring-OSC
{
On-chip watchdog timer (operable with Ring-OSC clock)
{
I/O ports: 22
{
Timer: 5 channels
{
Serial interface:
2 channels
UART (LIN (Local Interconnect Network)-bus supported): 1 channel
CSI1/UART
Note 1
: 1 channel (
µ
PD78F0101H only, CSI1: 1 channel)
{
10-bit resolution A/D converter: 4 channels
{
Supply voltage: V
DD
= 2.7 to 5.5 V (with Ring-OSC clock: V
DD
= 2.0 to 5.5 V
Note 2
)
{
Operating ambient temperature: T
A
=
−
40 to +85
°
C
Notes 1. Select either of the functions of these alternate-function pins.
2. Use the product in a voltage range of 2.2 to 5.5 V because the detection voltage (V
POC
) of the
power-on-clear (POC) circuit is 2.1 V
±
0.1 V.
Caution The operating voltage range may be changed after evaluation of the device.
