參數(shù)資料
型號: 784216AY
廠商: NEC Corp.
英文描述: MOS INTEGRATED CIRCUIT
中文描述: 馬鞍山集成電路
文件頁數(shù): 37/100頁
文件大?。?/td> 564K
代理商: 784216AY
Data Sheet U14121EJ2V0DS00
37
μ
PD784214A, 784215A, 784216A, 784217A, 784218A, 784214AY, 784215AY, 784216AY, 784217AY, 784218AY
www.DataSheet4U.com
Table 7-1. Port Functions
Port Name
Pin Name
Function
Specification of Pull-up Resistor
Connection by Software
Port 0
P00 to P06
Input/output can be specified in 1-bit units
Can be specified in 1-bit units
Port 1
P10 to P17
Input port
Port 2
P20 to P27
Input/output can be specified in 1-bit units
Can be specified in 1-bit units
Port 3
P30 to P37
Input/output can be specified in 1-bit units
Can be specified in 1-bit units
Port 4
P40 to P47
Input/output can be specified in 1-bit units
LEDs can be driven directly
Can be specified in 1-port units
Port 5
P50 to P57
Input/output can be specified in 1-bit units
LEDs can be driven directly
Can be specified in 1-port units
Port 6
P60 to P67
Input/output can be specified in 1-bit units
Can be specified in 1-port units
Port 7
P70 to P72
Input/output can be specified in 1-bit units
Can be specified in 1-bit units
Port 8
P80 to P87
Input/output can be specified in 1-bit units
Can be specified in 1-bit units
Port 9
P90 to P95
N-ch open-drain I/O port
Input/output can be specified in 1-bit units
LEDs can be driven directly
Port 10
P100 to P103
Input/output can be specified in 1-bit units
Can be specified in 1-bit units
Port 12
P120 to P127
Input/output can be specified in 1-bit units
Can be specified in 1-bit units
Port 13
P130, P131
Input/output can be specified in 1-bit units
7.2 Clock Generator
An on-chip clock generator necessary for operation is provided. This clock generator has a frequency divider. If
high-speed operation is not necessary, the internal operating frequency can be lowered by the frequency divider to
reduce the current consumption.
Figure 7-2. Block Diagram of Clock Generator
XT2
XT1
X1
X2
STOP or bit 2 (MCK)
of the standby control
register (STBC) is set
to 1 when the subclock
is selected as the CPU
clock
Main system
clock
oscillator
Subsystem
clock
oscillator
f
XT
Watch timer,
clock output function
Clock to
peripheral hardware
CPU
clock
(f
CPU
)
Frequency
divider
IDLE
controller
Prescaler
Prescaler
STOP, IDLE
controller
HALT
controller
f
X
f
X
2
f
XX
2
f
XX
2
2
f
XX
2
3
f
XX
S
S
Internal system
clock
(f
CLK
)
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784217A 制造商:NEC 制造商全稱:NEC 功能描述:MOS INTEGRATED CIRCUIT
784217AY 制造商:NEC 制造商全稱:NEC 功能描述:MOS INTEGRATED CIRCUIT
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78423 SL001 功能描述:20 Conductor Multi-Conductor Cable Slate 24 AWG Foil, Braid 1000' (304.80m) 制造商:alpha wire 系列:EcoCable? Mini 零件狀態(tài):有效 電纜類型:多芯 導(dǎo)體數(shù):20 線規(guī):24 AWG 導(dǎo)線股數(shù):19/36 導(dǎo)體材料:銅,鍍錫 護套(絕緣)材料:聚苯醚(PPE) 護套(絕緣)直徑:0.269"(6.83mm) 屏蔽類型:箔,編織線 長度:1000'(304.80m) 套管顏色:瓦色 等級:ISO 10993,UL 式 21460 特性:生物相容性,加蔽線,拉繩 電壓:300V 工作溫度:-40°C ~ 80°C 使用:- 導(dǎo)體絕緣:聚苯醚(PPE) 護套(絕緣)厚度:0.015"(0.39mm) 屏蔽材料:Suprashield?;銅,鍍錫 屏蔽范圍:1 標(biāo)準(zhǔn)包裝:1