參數(shù)資料
型號(hào): UPD784915BGF
廠商: NEC Corp.
英文描述: 16-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 16位單晶片微控制器
文件頁(yè)數(shù): 15/86頁(yè)
文件大?。?/td> 384K
代理商: UPD784915BGF
μ
PD784915B, 784916B
15
2.3 I/O Circuits and Connection of Unused Pins
Table 2-1 shows the I/O circuit type of each pin and the recommended connection of unused pins. For the
configuration of each type of I/O circuit, refer to Figure 2-1.
Table 2-1. I/O Circuit Type of each Pin and Recommended Connection of Unused Pins (1/2)
Pin
I/O Circuit Type
I/O
Recommended Connection of Unused Pins
P00 to P07
5-A
I/O
Input: Connect to V
DD
Output: Leave open
P40 to P47
P50 to P57
P60/STRB/CLO
P61/SCK1/BUZ
8-A
P62/SO1
5-A
P63/SI1
8-A
P64
5-A
P65/HWIN
8-A
P66/PWM4
5-A
P67/PWM5
P70/ANI0 to P77/ANI7
9
Input
Connect to V
SS
P80
5-A
I/O
Input: Connect to V
DD
Output: Leave open
P82/HASW
P83/ROTC
P84/PWM2
P85/PWM3
P86/PTO10
P87/PTO11
P90/ENV
P91/KEY0 to P95/KEY4
8-A
P96
5-A
SI2/BUSY
2-A
Input
Connect to V
DD
SO2
4
Output
Hi-Z: Connect to V
SS
via a pull-down resistor
Others: Leave open
SCK2
8-A
I/O
Input: Connect to V
DD
Output: Leave open
ANI8 to ANI11
7
Input
Connect to V
SS
RECCTL+, RECCTL–
I/O
When ENCTL = 0 and ENREC = 0: Connect to V
SS
Remark
ENCTL : bit 1 of amplifier control register (AMPC)
ENREC: bit 7 of amplifier mode register 0 (AMPM0)
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