參數(shù)資料
型號(hào): μPD789415
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單片機(jī)微控制器(8位單片微控制器)
文件頁數(shù): 6/126頁
文件大?。?/td> 590K
代理商: ΜPD789415
6
μ
PD789415, 789416, 789417
FUNCTIONS
Item
μ
PD789415
μ
PD789416
μ
PD789417
Built-in memory
ROM
12 Kbytes
16 Kbytes
24 Kbytes
High-speed RAM
512 bytes
LCD data RAM
28 bytes
Instruction cycle
Built-in function for changing the instruction execution time
0.4/1.6
μ
s (operation with main system clock running at 5.0 MHz)
122
μ
s (operation with subsystem clock running at 32.768 kHz).
General-purpose registers
8 bits
×
8 registers
Instruction set
16-bit operations
Bit manipulations (such as set, reset, and test)
I/O ports
Total of 43 port pins
7 CMOS input pins
32 CMOS input/output pins
4 N-channel open-drain pins (dielectric strength of 12 V)
A/D converters
Seven channels with 10-bit resolution
Comparator
With timer output control function
Serial interface
Switchable between three-wire serial I/O and UART modes
LCD controller/driver
Up to 28 segment signal outputs
Up to 4 common signal outputs
Bias switchable between 1/2 and 1/3
Timers
16-bit timer/counter
8-bit timer/counter
Two 8-bit timer/event counters
Clock timer
Watchdog timer
Timer output
Two outputs
Vector interrupt
sources
Maskable
12 internal and 4 external interrupts
Non-maskable
Internal interrupt
Power supply voltage
V
DD
= 1.8 to 5.5 V
Operating ambient temperature
T
A
=
40 to
+
85 °C
Package
80-pin plastic QFP (14
×
14 mm)
80-pin plastic TQFP (fine pitch) (12
×
12 mm)
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