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| 型號(hào)： | UPD780024AGB-xxx-8EU |
| 廠商： | NEC Corp. |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-BIT SINGLE-CHIP MICROCONTROLLERS |
| 中文描述： | 8位單晶片微控制器 |
| 文件頁數(shù)： | 19/96頁 |
| 文件大?。?/td> | 661K |
| 代理商： | UPD780024AGB-XXX-8EU |
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19
μ
PD780021A, 780022A, 780023A, 780024A, 780021AY, 780022AY, 780023AY, 780024AY
Data Sheet U14042EJ4V0DS
3.3 Pin I/O Circuits and Recommended Connection of Unused Pins
The I/O circuit type of each pin and recommended connection of unused pins are shown in Table 3-1.
For the I/O circuit configuration of each type, see Figure 3-1.
Table 3-1. Types of Pin I/O Circuits
Pin Name
I/O
I/O
Recommended Connection of Unused Pins
Circuit Type
P00/INTP0 to P02/INTP2
8-C
I/O
Input: Independently connect to V
SS0
or V
SS1
via a resistor.
P03/INTP3/ADTRG
Output: Leave open.
P10/ANI0 to P17/ANI7
25
Input
Connect directly to V
DD0
, V
DD1
, V
SS0
, or V
SS1
via a resistor.
P20/S130
8-C
I/O
Input: Independently connect to V
DD0
, V
DD1
, V
SS0
, or V
SS1
via
P21/SO30
5-H
a resistor.
P22/SCK30
8-C
Output: Leave open.
P23/RxD0
P24/TxD0
5-H
P25/ASCK0
8-C
P30, P31
13-Q
Input: Connect directly to V
SS0
or V
SS1
.
P32, P33
(
μ
PD780024A Subseries only)
13-S
Output: Leave open at low-level output.
P32/SDA0
(
μ
PD780024AY Subseries only)
13-R
P33/SCL0
(
μ
PD780024AY Subseries only)
P34/SI31
Note
8-C
Input: Independently connect to V
DD0
, V
DD1
, V
SS0
, or V
SS1
via
P35/SO31
Note
5-H
a resistor.
P36/SCK31
Note
8-C
Output: Leave open.
P40/AD0 to P47/AD7
5-H
Input: Independently connect to V
DD0
or V
DD1
via a resistor.
Output: Leave open.
P50/A8 to P57/A15
Input: Independently connect to V
DD0
, V
DD1
, V
SS0
, or V
SS1
via
P64/RD
a resistor.
P65/WR
Output: Leave open.
P66/WAIT
P67/ASTB
P70/TI00/TO0
8-C
P71/TI01
P72/TI50/TO50
P73/TI51/TO51
P74/PCL
5-H
P75/BUZ
RESET
2
Input
—
XT1
16
Connect directly to V
DD0
or V
DD1
.
XT2
—
Leave open.
AV
DD
—
Connect to directly V
DD0
or V
DD1
.
AV
REF
Connect to directly V
SS0
or V
SS1
.
AV
SS
IC
Note
SI31, SO31, and SCK31 are incorporated only in the
μ
PD780024A Subseries.
相關(guān)PDF資料 |
PDF描述 |
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| UPD780024ACW-xxx | Circular Connector; No. of Contacts:55; Series:JTP02R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:16; Circular Contact Gender:Socket; Circular Shell Style:Box Mount Receptacle |
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| UPD780024AGK-C42-9ET | 制造商:Renesas Electronics Corporation 功能描述: |
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