39
CHAPTER 1 OVERVIEW
User’s Manual U12697EJ3V0UM
1.5 Function List
(1/2)
Product Name
µ
PD784224
µ
PD784225
µ
PD78F4225
Item
µ
PD784224Y
µ
PD784225Y
µ
PD78F4225Y
Number of basic instructions (mnemonics)
113
General-purpose registers
8 bits
×
16 registers
×
8 banks or 16 bits
×
8 registers
×
8 banks (memory mapping)
Minimum instruction execution time
• 160 ns, 320 ns, 640 ns, 1,280 ns, 2,560 ns
(@ 12.5 MHz operation with main system clock)
• 61
µ
s (@ 32.768 kHz operation with subsystem clock)
Internal memory
ROM
96 KB
128 KB
128 KB
(mask ROM)
(mask ROM)
(flash memory)
RAM
3,584 bytes
4,352 bytes
Memory space
1 MB of combined program and data space
I/O ports
Total
67
CMOS input
8
CMOS I/O
59
Pins with added
Pins with pull-up
57
functions
Note
resistors
LED direct drive outputs
16
Real-time output ports
4 bits
×
2 or 8 bits
×
1
Timers
Timer/event counter:
Timer counter
×
1
Pulse output possible
(16 bits)
Capture/compare
• PPG output
register
×
2
• Square wave output
• One-shot pulse output
Timer/event counter 1: Timer counter
×
1
Pulse output possible
(8 bits)
Compare register
×
1
• PWM output
• Square wave output
Timer/event counter 2: Timer counter
×
1
Pulse output possible
(8 bits)
Compare register
×
1
• PWM output
• Square wave output
Timer 5:
Timer counter
×
1
(8 bits)
Compare register
×
1
Timer 6:
Timer counter
×
1
(8 bits)
Compare register
×
1
Note
The pins with added functions are include in the I/O pins.
