732
Table A.2
Pin Specifications (cont)
Pin
Pin No.
(FP-208C,
FP-208E)
Pin No.
(BP-240A)
I/O
Function
V
SS
–RTC
6
E1
Power
supply
RTC-oscillator power supply (0 V)
V
SS
–PLL1
V
SS
–PLL2
147
148
F18
F19
Power
supply
PLL power supply (0 V)
AV
SS
198, 208
B6, B4
Power
supply
Analog power supply (0 V)
Note:
Except in hardware standby mode, power must be supplied constantly to all power supply
pins. In hardware standby mode, power must be supplied to Vcc-RTC and Vss-RTC at
least.
A.3
Treatment of Unused Pins
•
When RTC is not used
EXTAL2:
Pull up
XTAL2:
Leave unconnected
V
CC
–RTC:
Power supply (1.9/1.8 V)
V
SS
–RTC:
Power supply (0 V)
•
When PLL2 is not used
CAP2:
Leave unconnected
V
CC
–PLL2:
Power supply (1.9/1.8 V)
V
SS
–PLL2:
Power supply (0 V)
•
When on-chip crystal oscillator is not used
XTAL:
Leave unconnected
•
When EXTAL pin is not used
EXTAL:
Pull up
•
When A/D converter is not used
AN[7:0]:
Leave unconnected
AV
CC
:
Power supply (3.3 V)
AV
SS
:
Power supply (0 V)
•
When H-UDI is not used
ASEMD0:
Pull up
Содержание SH7709S
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Страница 292: ...273 T1 CKIO A25 to A0 CSn RD WR RD D31 to D0 WEn D31 to D0 BS T2 Read Write Figure 10 6 Basic Timing of Basic Interface ...
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