參數(shù)資料
型號: UPD784915B
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
文件頁數(shù): 16/86頁
文件大?。?/td> 384K
代理商: UPD784915B
μ
PD784915B, 784916B
16
Table 2-1. I/O Circuit Type of each Pin and Recommended Connection of Unused Pins (2/2)
Pin
I/O Circuit Type
I/O
Recommended Connection of Unused Pins
DFGIN
Input
When ENDRUM = 0: Connect to V
SS
DPGIN
When ENDRUM = 0 or ENDRUM = 1 and SELPGSEPA
= 0: Connect to V
SS
CFGIN, CFGCPIN
When ENCAP = 0: Connect to V
SS
CSYNCIN
When ENCSYN = 0: Connect to V
SS
REEL0IN/INTP3, REEL1IN
When ENREEL = 0: Connect to V
SS
CTLOUT1
Output
Leave open
CTLOUT2
I/O
When ENCTL = 0 and ENCOMP = 0: Connect to V
SS
When ENCTL = 1: Leave open
CFGAMPO
Output
Leave open
CTLIN
When ENCTL = 0: Leave open
VREFC
When ENCTL = 0 and ENCAP = 0 and ENCOMP = 0:
Leave open
CTLDLY
Leave open
PWM0, PWM1
3
Output
Leave open
PTO00 to PTO02
NMI
2
Input
Connect to V
DD
INTP0
Connect to V
DD
or V
SS
INTP1, INTP2
2-A
Input
Connect to V
DD
AV
DD1
, AV
DD2
Connect to V
DD
AV
REF
, AV
SS1
, AV
SS2
Connect to V
SS
RESET
2
XT1
Connect to V
SS
XT2
Leave open
IC
Directly connect to V
SS
Remark
ENDRUM
SELPGSEPA: bit 2 of amplifier mode register 0 (AMPM0)
ENCAP
: bit 3 of amplifier control register (AMPC)
ENCSYN
: bit 5 of amplifier control register (AMPC)
ENREEL
: bit 6 of amplifier control register (AMPC)
ENCTL
: bit 1 of amplifier control register (AMPC)
ENCOMP
: bit 4 of amplifier control register (AMPC)
: bit 2 of amplifier control register (AMPC)
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