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61
CHAPTER 1 FEATURES OF 78K/IV SERIES PRODUCTS
1.9.4 Outline of functions
(1/2)
Product Name
Item
μ
PD784217Y
μ
PD784218Y
μ
PD78F4218Y
Number of basic instructions (mnemonics)
113
General 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
(main system clock: at 12.5-MHz operation)
61
μ
s (subsystem clock: at 32.768-kHz operation)
Internal memory
capacity
ROM
192 Kbytes
(Mask ROM)
250 Kbytes
(Mask ROM)
256 Kbytes
(Flash memory)
RAM
12,800 bytes
Memory space
1 Mbyte in total of program and data
I/O ports
Total
86
CMOS inputs
8
CMOS I/O
72
N-ch open-drain I/O
6
Pins with added
functions
Note
Pins with pull-up
resistors
70
LED direct drive outputs
22
Medium voltage pins
6
Real-time output ports
4 bits
×
2, or 8 bits
×
1
Timer/counters
Timer/counter:
(16 bits)
Timer register
×
1
Capture/compare register
×
2 PWM/PPG output
Pulse output possible
Square wave output
One-shot pulse output
Timer/counter 1: Timer register
×
1
(8 bits)
Pulse output possible
PWM output
Square wave output
Compare register
×
1
Timer/counter 2: Timer register
×
1
(8 bits)
Pulse output possible
PWM output
Square wave output
Compare register
×
1
Timer/counter 5: Timer register
×
1
(8 bits)
Pulse output possible
PWM output
Square wave output
`
Compare register
×
1
Timer/counter 6: Timer register
×
1
(8 bits)
Pulse output possible
PWM output
Square wave output
Compare register
×
1
Timer/counter 7: Timer register
×
1
(8 bits)
Pulse output possible
PWM output
Square wave output
Compare register
×
1
Timer/counter 8: Timer register
×
1
(8 bits)
Pulse output possible
PWM output
Square wave output
Compare register
×
1
Note
The pins with additional functions are included in the I/O pins.