參數(shù)資料
型號(hào)： UPD780308GF(A)-XXX-3BA
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 5 MHz, MICROCONTROLLER, PQFP100
封裝： 14 X 20 MM, PLASTIC, QFP-100
文件頁數(shù)： 25/64頁
文件大?。?/td> 2786K
代理商： UPD780308GF(A)-XXX-3BA
29
CHAPTER 1
OUTLINE (
PD780308 SUBSERIES)
User’s Manual U11377EJ3V0UD
1.8 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/SBI/2-wire serial I/O 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
PD780306
PD780308
PD78P0308
Minimum
instruction
execution
time
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