參數(shù)資料
型號(hào): μPD789800
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(yè)數(shù): 5/48頁(yè)
文件大小: 266K
代理商: ΜPD789800
5
μ
PD789800
FUNCTIONS
Item
Function
ROM
8K bytes
Internal memory
High-speed RAM
256 bytes
Minimum instruction execution time
0.33
μ
s/1.33
μ
s (when the system clock operates at 6.0 MHz)
General-purpose register
8 bits
×
8 registers
Instruction set
16-bit operation
Bit manipulation (set, reset, and test) etc.
I/O ports
CMOS I/O: 31 pins (Of these, 18 pins can be switched to N-ch open-drain I/O
pins.)
Serial interface
USB (Universal Serial Bus) function : 1 channel
Three-wire serial I/O mode
: 1 channel
Timer
8-bit timer counter
8-bit timer/event counter : 1 channel
Watchdog timer
: 1 channel
: 1 channel
Regulator
Incorporated (V
REG
= 3.3
±
0.3 V)
Maskable
Internal: 9, external: 2
Vector interrupt
source
Nonmaskable
Internal: 1
Power supply voltage
V
DD
= 4.0 to 5.5 V
Operating ambient temperature
T
A
= -40°C to
+
85°C (when the USB is not operating)
T
A
= 0°C to
+
70°C (when the USB is operating)
Package
42-pin plastic shrink DIP (600 mil)
44-pin plastic QFP (10
×
10 mm, 0.8-mm pitch)
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