Datasheet
CHAPTER 1 OUTLINE
User’s Manual U18698EJ1V0UD
24
1.7 Outline of Functions
(1/2)
Item
μ
PD78F0400
μ
PD78F0410
μ
PD78F0401
μ
PD78F0411
μ
PD78F0402
μ
PD78F0412
μ
PD78F0403
μ
PD78F0413
Flash memory
(self-programming
supported)
Note
8 KB 16 KB 24 KB 32 KB
High-speed RAM
Note
512 bytes 768 bytes 1 KB
Internal
memory
LCD display RAM 22 × 4 bits (with 4 com) or 18 × 8 bits (with 8 com)
Memory space 64 KB
High-speed system
clock
X1 (crystal/ceramic) oscillation, external main system clock input (EXCLK)
2 to 10 MHz: V
DD = 2.7 to 5.5 V,
2 to 5 MHz: V
DD = 1.8 to 5.5 V
Main system
clock
(oscillation
frequency)
Internal high-speed
oscillation clock
Internal oscillation
8 MHz (TYP.): V
DD = 1.8 to 5.5 V
Subsystem clock
(oscillation frequency)
XT1 (crystal) oscillation
32.768 kHz (TYP.): V
DD = 1.8 to 5.5 V
Internal low-speed oscillation clock
(for TMH1, WDT)
Internal oscillation
240 kHz (TYP.): V
DD = 1.8 to 5.5 V
General-purpose registers 8 bits × 32 registers (8 bits × 8 registers × 4 banks)
0.2
μ
s (high-speed system clock: @ fXH = 10 MHz operation)
0.25
μ
s (internal high-speed oscillation clock: @ fRH = 8 MHz (TYP.) operation)
Minimum instruction execution time
122
μ
s (subsystem clock: @ fSUB = 32.768 kHz operation)
Instruction set • 8-bit operation and 16-bit operation
• Bit manipulate (set, reset, test, and Boolean operation)
• BCD adjust, etc.
I/O ports
Total: 30
CMOS I/O: 26
CMOS input: 4
Timers • 16-bit timer/event counter: 1 channels
• 8-bit timer/event counter: 3 channels
• 8-bit timer: 3 channels (out of which 2 channels can perform PWM output)
• Real-time counter: 1 channel
• Watchdog timer: 1 channel
Timer outputs 3 (PWM output: 2 and PPG output: 1)
RTC outputs 2
• 1 Hz (Subsystem clock: f
SUB = 32.768 kHz)
• 512 Hz or 16.384 kHz or 32.768 kHz (Subsystem clock: f
SUB = 32.768 kHz)
Buzzer output • 1.22 kHz, 2.44 kHz, 4.88 kHz, 9.77 MHz
(peripheral hardware clock: @ f
PRS = 10 MHz operation)
Note The internal flash memory capacity and internal high-speed RAM capacity can be changed using the internal
memory size switching register (IMS).