Outline Of Functions - NEC 78K0 User Manual

8-bit single-chip microcontrollers
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1.7 Outline of Functions

Item
Internal memory
ROM
High-speed RAM
Memory space
X1 input clock (oscillation frequency)
Standard
products, (A)
grade products
(A1) grade
products
(A2) grade
products
Ring-OSC clock
(oscillation frequency)
Subsystem clock
(oscillation frequency)
General-purpose registers
Minimum instruction execution time
Instruction set
I/O ports
Timers
Timer outputs
A/D converter
Serial interface
Notes 1.
The internal flash memory capacity and internal high-speed RAM capacity can be changed using the
internal memory size switching register (IMS).
2.
Select either of the functions of these alternate-function pins.
28
CHAPTER 1 OUTLINE
µ
µ
PD780111
PD780112
8 KB
16 KB
512 bytes
64 KB
Ceramic/crystal/external clock oscillation
10 MHz (V
= 4.0 to 5.5 V), 8.38 MHz (V
DD
10 MHz (V
= 4.5 to 5.5 V), 8.38 MHz (V
DD
8.38 MHz (V
= 4.0 to 5.5 V), 5 MHz (V
DD
On-chip Ring oscillation (240 kHz (TYP.))
Crystal/external clock oscillation (32.768 kHz)
8 bits × 32 registers (8 bits × 8 registers × 4 banks)
µ
µ
µ
µ
0.2
s/0.4
s/0.8
s/1.6
s/3.2
µ
µ
µ
µ
8.3
s/16.6
s/33.2
s/66.4
s/132.8
operation)
µ
122
s (subsystem clock: @ f
XT
• 16-bit operation
• Multiply/divide (8 bits × 8 bits, 16 bits ÷ 8 bits)
• Bit manipulate (set, reset, test, and Boolean operation)
• BCD adjust, etc.
Total:
CMOS I/O
CMOS input
CMOS output
N-ch open-drain I/O
• 16-bit timer/event counter: 1 channel
• 8-bit timer/event counter:
2 channels
• 8-bit timer:
2 channels
• Watch timer
1 channel
• Watchdog timer:
1 channel
5 (PWM outputs: 3)
10-bit resolution × 8 channels
• UART mode supporting LIN-bus:
• 3-wire serial I/O mode/UART mode
User's Manual U16227EJ2V0UD
µ
µ
PD780113
PD780114
24 KB
32 KB
1 KB
= 3.3 to 5.5 V), 5 MHz (V
DD
= 4.0 to 5.5 V), 5 MHz (V
DD
= 3.3 to 5.5 V)
DD
µ
s (X1 input clock: @ f
= 10 MHz operation)
XP
µ
s (TYP.) (Ring-OSC clock: @ f
= 32.768 kHz operation)
32
19
8
1
4
1 channel
Note 2
:
1 channel
(1/2)
µ
PD78F0114
Note 1
32 KB
(flash memory)
Note 1
1 KB
= 2.7 to 5.5 V)
DD
= 3.3 to 5.5 V)
DD
= 240 kHz (TYP.)
R

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