H8SLASH3028F datasheet(38/923 Pages) RENESAS

38 / 923 page

Rev. 2.00, 09/03, page 8 of 890

1.3.2

Pin Functions

Table 1.2 summarizes the pin functions.

Table 1.2

Pin Functions

Pin No.

Type

Symbol

FP-100B

TFP-100B

I/O

Name and Function

Power

VCC

1, 35, 68

Input

Power: For connection to the power supply.

Connect all VCC pins to the system power

supply.

VSS

11, 22, 44,

57, 65, 92

Input

Ground: For connection to ground (0 V).

Connect all VSS pins to the 0-V system power

supply.

Clock

XTAL

Input

For connection to a crystal resonator.

For examples of crystal resonator and external

clock input, see section 19, Clock Pulse

Generator.

EXTAL

Input

For connection to a crystal resonator or input of

an external clock signal. For examples of crystal

resonator and external clock input, see section

19, Clock Pulse Generator.

Output

System clock: Supplies the system clock to

external devices.

Operating

mode

control

MD2 to MD0

75 to 73

Input

Mode 2 to mode 0: For setting the operating

mode, as follows. Inputs at these pins must not

be changed during operation.

MD2

MD1

MD0

Operating Mode

000—

001Mode 1

010Mode 2

011Mode 3

100Mode 4

101Mode 5

110Mode 6

111Mode 7

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