CXD2931GA-9 Просмотр технического описания (PDF) - Sony Semiconductor

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Компоненты Описание

производитель

CXD2931GA-9

1 chip GPS LSI

Sony Semiconductor 

CXD2931R-9/GA-9

Pin Configuration

Pin

No.

Symbol

1 AVD

2 AVIN

3 VRT

4 VRB

5 AVS

6 Vss

7 TCXO

8 XTCXO

9 VDD

10 OTCXO

11 TEST0

12 TEST1

13 CCKI

14 CCKO

15 Vss

16 ICST0

17 ICST1

18 IF0

19 IF0O

20 TCXOS

21 VDD

22 HOLD

23 NMI

24 PMI

25 HOLDA

26 IODBK

27 EXRS

28 PWRST

29 Vss

30 CLKI

31 CLKO

32 CLKS

33 CLKOUT

34 VDD

35 RUN

36 IWR

37 IRD

I/O

Description

— A/D converter power supply.

I Analog input.

I

Reference input.

I

— A/D converter GND.

— GND

I

TCXO binary conversion circuit/crystal oscillator.

O

— Power supply.

O TCXO clock output.

I

Test. (Low level fixed)

I

I

Timer oscillation. (32.768kHz ± 100ppm)

O

— GND

I

Test. (Low level fixed)

I

I

IF signal binary conversion circuit.

O

I TCXO select. (Low: TCXO/2, High: TCXO through)

— Power supply.

I Hold input signal. (High: Hold)

I Non maskable interrupt.

I Program maskable interrupt.

O Hold acknowledge signal.

O Break signal for debugging.

I Reset input signal.

I Connect to main power supply. Leave open during backup.

— GND

I

CPU clock oscillation circuit.

O

I CPU clock select signal. (Low: TCXO, High: CLKI)

O CPU clock output.

— Power supply.

O Signal indicating CPU operating status.

O Write signal for external expansion memory.

O Read signal for external expansion memory.

–6–

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