HD64F3337YCP16V Datasheet, PDF (51/749 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Pin Functions: Table 1.3 gives a concise description of the function of each pin.
Table 1.3 Pin Functions
Type
Power
Clock
System control
Address bus
Data bus
Symbol
V_CC
V_SS
XTAL
EXTAL
ø
RES
STBY
A₁₅ to A₀
D₇ to D₀
Pin No.
FP-80A, CP-84,
TFP-80C CG-84 I/O
8, 47
19, 60 I
12, 56,
73
2
2, 4, 23, I
24, 41,
64, 70
13
I
3
14
I
14
26
O
1
12
I
7
18
I
48 to 55, 61 to 63, O
57 to 64 65 to 69,
71 to 78
72 to 65 3, 1,
I/O
84 to 79
Name and Function
Power: Connected to the power
supply.
Connect both V_CC pins to the system
power supply.
Ground: Connected to ground (0 V).
Connect all V_SS pins to system ground
(0 V).
Crystal: Connected to a crystal
oscillator. The crystal frequency should
be the same as the desired system
clock frequency. If an external clock is
input at the EXTAL pin, a reverse-
phase clock should be input at the
XTAL pin.
External crystal: Connected to a
crystal oscillator or external clock. The
frequency of the external clock should
be the same as the desired system
clock frequency. See section 6.2,
Oscillator Circuit, for examples of
connections to a crystal and external
clock.
System clock: Supplies the system
clock to peripheral devices.
Reset: A low input causes the chip to
reset.
Standby: A transition to the hardware
standby mode (a power-down state)
occurs when a low input is received at
the STBY pin.
Address bus: Address output pins.
Data bus: 8-bit bidirectional data bus.
19