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參數(shù)資料
| 型號(hào)： | μPD78F4225 |
| 廠商： | NEC Corp. |
| 英文描述： | 16 Bit Single Chip Microcontrollers(16 位單片微控制器) |
| 中文描述： | 16位單片機(jī)微控制器（16位單片微控制器） |
| 文件頁數(shù)： | 3/28頁 |
| 文件大?。?/td> | 197K |
| 代理商： | ΜPD78F4225 |
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3
μ
PD78F4225
FUNCTIONS
Item
Function
Number of basic instructions
(mnemonics)
General-purpose register
Minimum instruction execution
time
Internal
memory
113
8 bits
×
16 registers
×
8 banks, or 16 bits
×
8 registers
×
8 banks (memory mapping)
160 ns/320 ns/640 ns/1280 ns/2560 ns (main system clock: f
XX
= 12.5 MHz)
61
μ
s (subsystem clock: f
XT
= 32.768 KHz)
128 KB
4352 bytes
1 MB with program and data spaces combined
67
8
59
57
Flash memory
RAM
Memory space
I/O port
Total
CMOS Input
CMOS I/O
Pins with pull-up
resistor
LEDs direct
drive output
16
Real-time output port
Timer/counter
4 bits
×
2, or 8 bits
×
1
16-bit timer/counter : timer register
×
1
Pulse output
PWM/PPG output
Square wave output
One-shot pulse output
Pulse output
PWM output
Square wave output
Pulse output
PWM output
Square wave output
Capture/compare register
×
2
8-bit timer/counter 1 : timer register
×
1
Compare register
×
1
8-bit timer/counter 2 : timer register
×
1
Compare register
×
1
8-bit timer/counter 5 : timer register
×
1
Compare register
×
1
8-bit timer/counter 6 : timer register
×
1
Compare register
×
1
Serial interface
UART/IOE (3-wire serial I/O): 2 channels (
on-chip baud rate generator
)
CSI (3-wire serial I/O): 1 channel
8-bit resolution
×
8 channels
8-bit resolution
×
2 channels
Selectable from f
XX
, f
XX
/2, f
XX
/2
2
, f
XX
/2
3
, f
XX
/2
4
, f
XX
/2
5
, f
XX
/2
6
, f
XX
/2
7
, f
XT
Selectable from f
XX
/2
10
, f
XX
/2
11
, f
XX
/2
12
, f
XX
/2
13
1 channel
1 channel
HALT/STOP/IDLE mode
In power-saving mode (with subsystem clock): HALT/IDLE mode
25 (internal: 18, external: 7)
BRK instruction, BRKCS instruction, operand error
Internal: 1, external: 1
Internal: 17, external: 6
4 programmable priority levels
3 service modes: vectored interrupt/macro service/context switching
V
DD
= 1.8 to 5.5 V
80-pin plastic QFP (14
×
14 mm)
80-pin plastic TQFP (fine pitch) (12
×
12 mm)
A/D converter
D/A converter
Clock output
Buzzer output
Watch timer
Watchdog timer
Standby
Interrupt
Hardware
Software
Non-maskable
Maskable
Supply voltage
Package
Note
The pins with ancillary functions are included in the I/O pins.
Pins with
ancillary
functions
Note
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