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| 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： | 12/64页 |
| 文件大小： | 694K |
| 代理商： | PICREF-1 |
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18
User’s Manual U11377EJ3V0UD
CHAPTER 1 OUTLINE (
PD780308 SUBSERIES)
1.1 Features
G
G On-chip high-capacity ROM and RAM
Note
The capacity of internal PROM can be changed by means of the internal memory size switching register
(IMS).
G
G Minimum instruction execution time changeable from high speed (0.4
s: @ 5.0 MHz operation with main system
clock) to ultra-low speed (122
s: @ 32.768 kHz operation with subsystem clock)
G
G Instruction set suited to system control
Bit manipulation possible in all address spaces
Multiply and divide instructions
G
G Fifty-seven I/O ports (including alternate-function pins for segment signal output)
G
G LCD controller/driver
Segment signal output: Max. 40
Common signal output: Max. 4
Bias:
1/2, 1/3 bias switching possible
Power supply voltage:
VDD = 2.0 to 5.5 V (can operate in all modes)
G
G 8-bit resolution A/D converter: 8 channels
G
G Serial interface: 3 channels
3-wire serial I/O/SBI/2-wire serial I/O mode: 1 channel
3-wire serial I/O/UART mode: 1 channel
3-wire serial I/O mode: 1 channel
G
G Timer: 5 channels
16-bit timer/event counter: 1 channel
8-bit timer/event counter: 2 channels
Watch timer: 1 channel
Watchdog timer: 1 channel
G
G Twenty-one vectored interrupt sources
G
G Two test inputs
G
G Two types of on-chip clock oscillators (main system clock and subsystem clock)
G
G Power supply voltage: VDD = 2.0 to 5.5 V
Program Memory
(ROM)
Part Number
Type
1024 bytes
48 KB
60 KB
60 KBNote
Internal High-Speed RAM
Internal Expansion RAM
LCD RAM
1024 bytes
40
× 4 bits
PD780306
PD780308
PD78P0308
Data Memory
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