Renesas SH7050 Series Información técnica descargar pdf (Pagina 18)

In the E6000, clock can be selected as shown in table 1.5 by using the Configuration window or

the Clock command.

Select the clock from a range between 4 MHz to the maximum operation frequency

(MHz) (see

table 1.4). (If the frequency will not become 4 MHz or more due to the settings of the input clock

and clock multiplication, an error will occur.)

Table 1.5 Clock Selections for E6000 SH7050 Emulator

Command

Configuration

Window Setting

Item

Command Name Parameter Option name Parameter

Notes

8MHz 8MHz Initial value

8.25MHz 8.25MHz

10MHz 10MHz

Input clock Clock

Target

Clock Rate

Target Initial value at user

system connection

×1 PLL × 1 Initial value

×2 PLL × 2

×4 PLL × 4

Clock

multiplication

Clock Mode

Target*

Clock Mode

Target* Initial value at user

system connection

1 1 Initial value

Clock division Clock Divisor

Clock Divisor

Note: *When Target is selected for the parameter of the clock multiplication, the clock multiplication

follows the setting of the mode pins (MD3 and MD2) on the user system.

NOTE

The clock specified by the HDI Clock command or

through the Configuration window is divided or multiplied and

becomes the system clock (

). Therefore system clock (

) is

10 MHz when Target is selected for clock input, and a 20 MHz

crystal oscillator is connected to EXTAL, and division is 2 and

multiplication is 1.

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 26 27

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Renesas SH7050 Series Información técnica Pagina 18

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