參數(shù)資料
型號： UPD784054GCA1
廠商： NEC Corp.
英文描述： 16-BIT SINGLE-CHIP MICROCONTROLLER
中文描述： 16位單片機(jī)
文件頁數(shù)： 4/86頁
文件大小： 579K
代理商： UPD784054GCA1
μ
PD784054(A)
4
FUNCTION LIST
Item
Function
Number of basic
instructions (mnemonics)
113
General-purpose register
8 bits
×
16 registers
×
8 banks, or 16 bits
×
8 registers
×
8 banks (memory mapping)
Minimum instruction
execution time
160 ns (with internal 12.5-MHz clock):
μ
PD784054(A)
200 ns (with internal 10-MHz clock) :
μ
PD784054(A1), (A2)
Internal
ROM
32K bytes
memory
RAM
1024 bytes
Memory space
1M bytes with program/data combined
I/O port
Total
64 pins
Input
17 pins
I/O
47 pins
Pins with
ancillary
functions
Note
Pins with 29 pins
pull-up
resistors
Timer
Timer 0
(16 bits)
: Timer register
×
1,
capture/compare register
×
4
Pulse output possible
Toggle output
Set/reset output
Timer 1
(16 bits)
: Timer register
×
1,
compare register
×
2
Pulse output possible
Toggle output
Set/reset output
Timer 4
(16 bits)
: Timer register
×
1,
compare register
×
2
A/D converter
10-bit resolution
×
16 channels
Serial interface
UART/IOE (3-wire serial I/O): 2 channels (with baud rate generator)
Watchdog timer
1 channel
Interrupt
Hardware source
23 (internal: 19, external: 8 (internal/external: 4))
Software source
BRK instruction, BRKCS instruction, operand error
Non-maskable
Internal: 1, external: 1
Maskable
Internal: 18, external: 7 (internal/external: 4)
4 levels of programmable priorities
3 processing formats: vectored interrupt/macro service/context switching
Bus sizing
8-bit/16-bit external data bus width selectable
Standby
HALT/STOP/IDLE/standby function invalid mode
Supply voltage
V
DD
= 4.5 to 5.5 V
Package
80-pin plastic QFP (14
×
14 mm)
Note
The pins with ancillary functions are included in the I/O pins.
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