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SH7708 数据表(PDF) 578 Page - Renesas Technology Corp

部件名 SH7708
功能描述  SuperH??RISC engine
PDF  633 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

SH7708 数据表(HTML) 578 Page - Renesas Technology Corp

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Table A.2
Pin Specifications (cont)
Pin
Pin No.
I/O
Function
NMI
89
I
Nonmaskable interrupt request
IRL3 to IRL0
90 to 93
I
External interrupt source input
TCLK
134
I/O
Timer external clock input/RTC clock output
EXTAL
79
I
External clock/crystal resonator pin
XTAL
80
O
Crystal resonator pin
CAP1
74
O
External capacitance pin (for PLL1)
CAP2
77
O
External capacitance pin (for PLL1)
CKIO
101
I/O
System clock input/output
CKE
131
O
Clock enable control (for synchronous DRAM)
XTAL2
136
O
Crystal resonator pin (for on-chip RTC)
EXTAL2
137
I
Crystal resonator pin (for on-chip RTC)
NC
99
O
Leave unconnected
VCC
7, 18, 20, 31,
42, 50, 55, 60,
69, 81, 83, 102,
116, 122, 128,
139
Power
supply
Power supply (3.3 V)
VCC (RTC)
135
Power
supply
RTC oscillator power supply (3.3 V)
VCC (PLL)
75, 78
Power
supply
PLL power supply (3.3 V)
VSS
6, 17, 19, 30,
41, 49, 54, 59,
68, 82, 100,
115, 121, 127,
133, 144
Power
supply
Power supply (0 V)
VSS (RTC)
138
Power
supply
RTC oscillator power supply (0 V)
VSS (PLL)
73, 76
Power
supply
PLL 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 should be supplied at least to the RTC power
supply pins.



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