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UPD784218 Datasheet, PDF (4/92 Pages) NEC – 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS | |||
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µPD784218, 784218Y
OVERVIEW OF FUNCTIONS (1/2)
Item
Part Number
Number of basic instructions
(mnemonics)
General-purpose registers
Minimum instruction execution
time
Internal
memory
ROM
RAM
Memory space
I/O ports
Total
CMOS input
CMOS I/O
N-ch open-drain I/O
Pins with
Pins with pull-up
ancillary
resistor
functionsNote 2
LED direct
drive outputs
Middle-
voltage pins
Real-time output port
Timer/counters
Serial interfaces
A/D converter
D/A converter
µPD784218, µPD784218YNote 1
113
8 bits à 16 registers à 8 banks, or 16 bits à 8 registers à 8 banks (memory mapping)
⢠160 ns/320 ns/640 ns/1,280 ns/2,560 ns (@ fXX = 12.5 MHz operation with main system clock)
⢠61 µs (@ fXT = 32.768 kHz operation with subsystem clock)
256 KB
12,800 bytes
1 MB with program and data spaces combined
86
8
72
6
70
22
6
4 bits à 2, or 8 bits à 1
Timer/event counter:
(16-bit)
Timer counter à 1
Capture/compare register à 2
Pulse output
⢠PPG output
⢠Square wave output
⢠One-shot pulse output
Timer/event counter 1: Timer counter à 1
(8-bit)
Compare register à 1
Pulse output
⢠PWM output
⢠Square wave output
Timer/event counter 2: Timer counter à 1
(8-bit)
Compare register à 1
Pulse output
⢠PWM output
⢠Square wave output
Timer/event counter 5: Timer counter à 1
(8-bit)
Compare register à 1
Pulse output
⢠PWM output
⢠Square wave output
Timer/event counter 6: Timer counter à 1
(8-bit)
Compare register à 1
Pulse output
⢠PWM output
⢠Square wave output
Timer/event counter 7: Timer counter à 1
(8-bit)
Compare register à 1
Pulse output
⢠PWM output
⢠Square wave output
Timer/event counter 8: Timer counter à 1
(8-bit)
Compare register à 1
Pulse output
⢠PWM output
⢠Square wave output
⢠UART/IOE (3-wire serial I/O): 2 channels (on-chip baud rate generator)
⢠CSI (3-wire serial I/O, multi-master supporting I2C busNote 3): 1 channel
8-bit resolution à 8 channels
8-bit resolution à 2 channels
Notes 1. Under development
2. The pins with ancillary functions are included in the I/O pins.
3. µPD784218Y only
4
Data Sheet U12304EJ2V0DS00
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