User’s Manual U16899EJ2V0UD
16
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 ultra low-speed (122
µ
s: @ 32.768 kHz operation with subsystem clock)
{
General-purpose register: 8 bits
×
32 registers (8 bits
×
8 registers
×
4 banks)
{
ROM, RAM capacities
Data Memory
Item
Part Number
Program Memory
(ROM)
Internal High-Speed RAM
Note
Internal Expansion RAM
Note
µ
PD78F0132H
16 KB
512 bytes
µ
PD78F0133H 24
KB
µ
PD78F0134H 32
KB
1024 bytes
−
µ
PD78F0136H
48 KB
µ
PD78F0138H, 78F0138HD
Flash memory
Note
60 KB
1024 bytes
1024 bytes
Note The internal flash memory, internal high-speed RAM capacities, and internal expansion RAM capacities
can be changed using the internal memory size switching register (IMS) and the internal expansion RAM
size switching register (IXS).
{
On-chip single-power-supply flash memory
{
Self-programming (with boot swap function)
{
On-chip debug function (
µ
PD78F0138HD only)
{
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)
{
On-chip multiplier/divider
{
On-chip key interrupt function
{
On-chip clock output/buzzer output controller
{
I/O ports: 51 (N-ch open drain: 4)
{
Timer
µ
PD78F0132H: 7 channels
µ
PD78F0133H, 78F0134H, 78F0136H, 78F0138H, 78F0138HD: 8 channels
{
Serial interface
µ
PD78F0132H: 2 channels
(UART (LIN (Local Interconnect Network)-bus supported): 1 channel, CSI/UART
Note
: 1 channel)
µ
PD78F0133H, 78F0134H, 78F0136H, 78F0138H, 78F0138HD: 3 channels
(UART (LIN (Local Interconnect Network)-bus supported: 1 channel, CSI/UART
Note
: 1 channel, CSI: 1 channel)
Note Select either of the functions of these alternate-function pins.
{
10-bit resolution A/D converter: 8 channels
{
Supply voltage: V
DD
= 2.5 to 5.5 V (with Ring-OSC clock or subsystem clock: V
DD
= 2.0 to 5.5 V
Note
)
{
Operating ambient temperature: T
A
=
−
40 to +85
°
C
Note 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.
