參數(shù)資料
型號: UPD17218CT
廠商: NEC Corp.
元件分類: 4位微控制器
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 4位單片機的小型通用紅外遙控器
文件頁數(shù): 69/84頁
文件大小: 350K
代理商: UPD17218CT
μ
PD17215, 17216, 17217, 17218
69
AC Characteristics
(V
DD
= 2.0 to 5.5 V, T
A
= –40 to +85
°
C)
Item
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
t
CY1
V
DD
= 3.5 to 5.5 V
1.99
32.2
μ
s
CPU Clock Cycle Time*
(Instruction Execution Time)
t
CY2
V
DD
= 2.2 to 5.5 V
3.98
32.2
μ
s
t
CY3
7.96
32.2
μ
s
INT High/Low Level Width
t
IOH,
t
IOL
V
DD
= 4.5 to 5.5 V
10
μ
s
50
μ
s
RESET Low Level Width
t
RSL
V
DD
= 4.5 to 5.5 V
10
μ
s
50
μ
s
*: The CPU clock cycle time (instruction
execution time) is determined by the
oscillation frequency of the oscillator
connected and SYSCK (RF: address 02H)
of the register file.
The figure on the right shows the CPU
clock cycle time t
CY
vs. supply voltage
V
DD
characteristics (refer to
4. CLOCK
GENERATOR CIRCUIT
).
40
32
10
9
8
7
6
5
4
3
2
0
1
2
3
4
5
6
t vs V
DD
CY
C
C
μ
Supply voltage V [V]
DD
2.2
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