Outline Of Functions - NEC 78K0/KD1 Series User Manual

1.7 Outline of Functions

Item
Internal Mask ROM
memory
Flash memory
(bytes)
High-speed RAM
Expansion RAM
Memory space
X1 input clock (oscillation
frequency)
REGC pin is directly connected
to V
DD
0.1 µ F capacitor is connected
to REGC pin
Ring-OSC clock
(oscillation frequency)
Subsystem clock
(oscillation frequency)
General-purpose registers
Minimum instruction execution
time
Instruction set
I/O ports
Timers
Timer outputs
Clock output
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.
34
CHAPTER 1 OUTLINE
µ PD780121 µ PD780122
8 K 16 K
512
64 KB
Ceramic/crystal/external clock oscillation
10 MHz: V = 4.0 to 5.5 V, 8.38 MHz: V
DD
8.38 MHz: V = 3.3 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)
0.2 µ s/0.4 µ s/0.8 µ s/1.6 µ s/3.2 µ s (X1 input clock: @ f
8.3 µ s/16.6 µ s/33.2 µ s/66.4 µ s/132.8 µ s (TYP.) (Ring-OSC clock: @ f
operation)
122 µ s (subsystem clock: @ f
XT
• Multiply/divide (8 bits × 8 bits × 4 banks)
• 16-bit operation
• Bit manipulate (set, reset, test, and Boolean operation)
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 output: 3)
• 78.125 kHz, 156.25 kHz, 312.5 kHz, 625 kHz, 1.25 MHz, 2.5 MHz, 5 MHz, 10 MHz
(X1 input clock: 10 MHz)
• 32.768 kHz (subsystem clock: 32.768 kHz)
10-bit resolution × 8 channels
• UART mode supporting LIN-bus:
• 3-wire serial I/O mode/UART mode
Preliminary User's Manual U16315EJ1V0UD
µ PD780123 µ PD780124
24 K 32 K
−
1 K
−
= 3.3 to 5.5 V, 5 MHz: V
DD
= 2.7 to 5.5 V
DD
= 10 MHz operation)
XP
= 32.768 kHz operation)
• BCD adjust, etc.
39
26
8
1
4
1 channel
Note 2
: 1 channel
(1/2)
µ PD78F0124
−
Note 1
32 K
Note 1
1 K
= 2.7 to 5.5 V
DD
= 240 kHz (TYP.)
R