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参数资料
| 型号： | PICREF-1 |
| 英文描述： | SOT-23, Rail-to-Rail Output, Picoamp Input Current Precision Op Amp; Package: SOT; No of Pins: 5; Temperature Range: -40°C to +85°C |
| 中文描述： | PICREF - 2文件 |
| 文件页数： | 37/64页 |
| 文件大小： | 694K |
| 代理商： | PICREF-1 |
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41
CHAPTER 2
OUTLINE (
PD780308Y SUBSERIES)
User’s Manual U11377EJ3V0UD
2.8 Outline of Function
ROM
Mask ROM
PROM
48 KB
60 KB
60 KBNote
High-speed RAM
1024 bytes
Expansion RAM
1024 bytes
LCD RAM
40
× 4 bits
General-purpose register
8 bits
× 8 × 4 banks
With main system clock selected
0.4
s/0.8 s/1.6 s/3.2 s/6.4 s/12.8 s (@ 5.0 MHz)
With subsystem clock selected
122
s (@ 32.768 kHz)
Instruction set
16-bit operation
Multiply/divide (8 bits
× 8 bits, 16 bits ÷ 8 bits)
Bit manipulate (set, reset, test, and Boolean operation)
BCD adjust, etc.
I/O port (including alternate-function pins
Total:
57
for segment signal output)
CMOS input: 2
CMOS I/O:
55
A/D converter
8-bit resolution
× 8 channels
LCD controller/driver
Segment signal output: Max. 40
Common signal output: Max. 4
Bias: 1/2, 1/3 bias switching possible
Serial interface
3-wire serial I/O/2-wire serial I/O/I2C bus mode selection possible: 1 channel
3-wire serial I/O mode/UART mode selection possible:
1 channel
3-wire serial I/O mode:
1 channel
Timer
16-bit timer/event counter: 1 channel
8-bit timer/event counter:
2 channels
Watch timer:
1 channel
Watchdog timer:
1 channel
Timer output
Three outputs (14-bit PWM output enable: 1)
Clock output
19.5 kHz, 39.1 kHz, 78.1 kHz, 156 kHz, 313 kHz, 625 kHz, 1.25 MHz,
2.5 MHz, 5.0 MHz (@ 5.0 MHz with main system clock)
32.768 kHz (@ 32.768 kHz with subsystem clock)
Buzzer output
1.2 kHz, 2.4 kHz, 4.9 kHz, 9.8 kHz (@ 5.0 MHz with main system clock)
Note
The capacity of the internal PROM can be changed using the internal memory size switching register (IMS).
Item
Part Number
Internal
memory
PD780306Y
PD780308Y
PD78P0308Y
Minimum
instruction
execution
time
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