I OUTLINE: LIST OF PINS

 

 

 

 

 

Table 3.4

List of Pins for Clock Generator

Pin name

I/O

Pull-up

 

 

 

 

Function

OSC1

I

–

Low-speed (OSC1) oscillation input (32 kHz crystal oscillator or external clock input)

OSC2

O

–

Low-speed (OSC1) oscillation output

 

 

OSC3

I

–

High-speed (OSC3) oscillation input (crystal/ceramic oscillator or external clock input)

OSC4

O

–

High-speed (OSC3) oscillation output

 

 

PLLS[1:0]

I

–

PLL set-up pins

 

 

 

 

 

 

 

PLLS1

PLLS0

fin (fOSC3)

fout (fPSCIN)

 

 

 

 

 

1

1

10–25MHz

20–50MHz

 

 

 

 

 

0

1

10–12.5MHz

40–50MHz

 

 

 

 

0

0

PLL is not used

L

 

 

 

 

 

 

PLLC

–

–

Capasitor connecting pin for PLL

 

 

 

 

 

 

 

Table 3.5 List of Other Pins

Pin name

I/O

Pull-up

 

 

 

 

Function

 

 

/down

 

 

 

 

 

 

TST

I

Pull-

Test mode input pin

 

 

 

 

 

down

This pin is used for testing this chip. For further details, refer to the S1C33 ASIC Design Guide.

DSIO

I/O

Pull-up

Serial I/O pin for debugging

 

 

 

 

 

This pin is used to communicate with the debugging tool S5U1C33000H.

#X2SPD

I

–

Clock doubling mode set-up pin1: CPU clock = bus clock ⋅ 1, 0: CPU clock = bus clock ⋅ 2

#NMI

I

Pull-up

NMI request input pin

 

 

 

#RESET

I

Pull-up

Initial reset input pin

 

 

 

Note: "#" in the pin names indicates that the signal is low active.

S1C33210 FUNCTION PART

EPSON

B-I-3-5