參數(shù)資料
型號: μPD789197
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位單片機微控制器(8位單片微控制器)
文件頁數(shù): 5/146頁
文件大?。?/td> 630K
代理商: ΜPD789197
Preliminary Product Information
5
μ
PD789186, 789187, 789196, 789197
FUNCTIONS
Product
μ
PD789186
μ
PD789187
μ
PD789196
μ
PD789197
Item
Built-in memory
ROM
16 Kbytes
24 Kbytes
16 Kbytes
24 Kbytes
High-speed RAM
512 bytes
EEPROM
128 bytes
Minimum instruction cycle
Built-in function for changing the instruction execution time
0.4/1.6
μ
s (operation with main system clock (ceramic/crystal oscillation) 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)
Multiplier
8 bits
×
8 bits = 16 bits
I/O ports
Total of 31 port pins
8 CMOS input pins
17 CMOS input/output pins
6 N-channel open-drain pins
A/D converters
Eight channels with 8-bit resolution
Eight channels with 10-bit resolution
Serial interface
Switchable between three-wire serial I/O and UART modes
System management bus (SMB)
Timers
16-bit timer/counter
Three 8-bit timer/event counters
Clock timer
Watchdog timer
Timer output
Four outputs
Buzzer output
One output
Vectored interrupt
sources
Maskable
14 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°C to
+
85°C
Package
44-pin plastic QFP (10
×
10 mm)
48-pin plastic TQFP (fine pitch) (7
×
7 mm)
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