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| 型號： | UPD70F3008GJ-33-8EU |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQFP144 |
| 封裝： | 20 X 20 MM, PLASTIC, LQFP-144 |
| 文件頁數(shù)： | 4/14頁 |
| 文件大小： | 220K |
| 代理商： | UPD70F3008GJ-33-8EU |
PD70F3008
12
2.3 I/O Circuit of Pins and Recommended Connections of Unused Pins
Table 2-1 shows the I/O circuit type for each pin and the recommended connections for all unused pins. Figure
2-1 shows partially simplified pin I/O circuits.
When connecting a pin to VDD or VSS via a resistor, use of a resistor of 1 to 10 k
is recommended.
Table 2-1. I/O Circuit Type of Each Pin and Recommended Connections of Unused Pins (1/2)
Pin
I/O Circuit Type
Recommended Connections
P00/TO00, P01/TO01
5
Individually connect to VDD or VSS via resistor.
P02/INTP00 to P05/INTP03,
5-K
P06/TCLR0/INTP04, P07/TI0/INTP05
P10/INTP10 to P13/INTP13,
P14/TI1/INTP14, P16/TI20/INTP20
P15/TO20, P17
5
P20/NMI
2
Connect directly to VSS.
P21/INTP30, P22/ADTRG,
5-K
Individually connect to VDD or VSS via resistor.
P23/INTP50 to P26/INTP53
P30/TXD/SO0
5
P31/RXD/SI0, P32/SCK0, P34/SI1
5-K
P33/SO1, P35/SCK1
13-G
P36
5
P40/AD0 to P47/AD7
5Note
Individually connect to BVDD or BVSS via resistor.
P50/AD8 to P57/AD15
P60/A16 to P67/A23
P70/ANI0 to P77/ANI7
9
Connect directly to VSS.
P80/ANI8 to P87/ANI15
P90/LBEN/WRL, P91/UBEN,
5Note
Individually connect to BVDD or BVSS via resistor.
P92/R/W/WRH, P93/DSTB/RD, P94/ASTB,
P95/HLDAK, P96/HLDRQ
P100/PWM0 to P103/PWM3
5
Individually connect to VDD or VSS via resistor.
P110/TO21, P112/TO22, P114/TO23,
P116/TO24
P111/TI21/INTP21, P113/TI22/INTP22,
5-K
P115/TI23/INTP23, P117/TI24/INTP24
P120/SO2
5
P121/SI2, P122/SCK2
5-K
P123/SO3
5
P124/SI3, P125/SCK3
5-K
P126, P127/CLO
5
P130/RTP0 to P137/RTP7
P140 to P147
Remark Open input is possible for I/O circuit types 5, 5-K. and 13-G pins.
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