Preliminary User’s Manual U16315EJ1V0UD
25
CHAPTER 1 OUTLINE
1.1 Features
{
ROM, RAM capacities
Data Memory
Item
Part Number
Program Memory
(ROM)
Internal High-Speed RAM
µ
PD780121
8 KB
µ
PD780122
16 KB
512 bytes
µ
PD780123
24 KB
µ
PD780124
Mask ROM
32 KB
1024 bytes
µ
PD78F0124
Flash memory
32 KB
Note
1024 bytes
Note
Note
The internal flash memory and internal high-speed RAM capacities can be changed using the internal
memory size switching register (IMS).
{
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 UART supporting LIN (Local Interconnect Network) bus
{
On-chip key interrupt function
{
On-chip clock output controller
{
On-chip regulator
{
Minimum instruction execution time can be changed from high speed (0.2
µ
s: @ 10 MHz operation with X1
input clock) to ultra low-speed (122
µ
s: @ 32.768 kHz operation with subsystem clock)
{
I/O ports: 39 (N-ch open drain: 4)
{
Timer: 7 channels
{
Serial interface: 2 channels
(UART: 1 channel, CSI/UART
Note
: 1 channel)
{
10-bit resolution A/D converter: 8 channels
{
Supply voltage: V
DD
= 2.7 to 5.5 V
Note
Select either of the functions of these alternate-function pins.
Содержание 78K0/KD1 Series
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