User's Manual

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20

Pin#

Pin Name

Type

Description

I/O Voltage range

23 SPI_MISO O Synchronous serial interface data output

Voh: 0.75 VDD – VDD

Vol: 0 – 0.125V

24 A19 I Dual mode selection (8Mb default pull low)

Vih: 0.625 VDD – VDD + 0.3V

Vil: -0.3V -0.25 VDD

25

VOL-

PIO(14)

I/O Programmable I/O line

Vih: 0.625 VDD – VDD + 0.3V

Vil: -0.3V – 0.25 VDD

Voh: 0.75 VDD – VDD

Vol: 0 – 0.125V

26

BAT_CHECK

PIO(11)

I/O Programmable I/O line

Vih: 0.625 VDD – VDD + 0.3V

Vil: -0.3V – 0.25 VDD

Voh: 0.75 VDD – VDD

Vol: 0 – 0.125V

27

MUTE

PIO(5)

I/O Programmable I/O line

Vih: 0.625 VDD – VDD + 0.3V

Vil: -0.3V – 0.25 VDD

Voh: 0.75 VDD – VDD

Vol: 0 – 0.125V

28

I2C_SCL

PIO(6)

I/O Programmable I/O line

Vih: 0.625 VDD – VDD + 0.3V

Vil: -0.3V – 0.25 VDD

Voh: 0.75 VDD – VDD

Vol: 0 – 0.125V

29 PCM_IN I Synchronous PCM data input

Vih: 0.625 VDD – VDD + 0.3V

Vil: -0.3V - 0.25 VDD

30 PCM_SYNC I/O Synchronous PCM data strobe

Vih: 0.625 VDD – VDD + 0.3V

Vil: -0.3V - 0.25 VDD

Voh: 0.75 VDD – VDD

Vol: 0 – 0.125V

31 PCM_OUT O Synchronous PCM data output

Voh: 0.75 VDD – VDD

Vol: 0 – 0.125V

32 PCM_CLK I/O Synchronous PCM data clock

Vih: 0.625 VDD – VDD + 0.3V

Vil: -0.3V - 0.25 VDD

Voh: 0.75 VDD – VDD

Vol: 0 – 0.125V

33

VOL+

PIO(12)

I/O Programmable I/O line

Vih: 0.625 VDD – VDD + 0.3V

Vil: -0.3V – 0.25 VDD

Voh: 0.75 VDD – VDD

Vol: 0 – 0.125V

34

I2C_SDA

PIO(7)

I/O Programmable I/O line

Vih: 0.625 VDD – VDD + 0.3V

Vil: -0.3V – 0.25 VDD

Voh: 0.75 VDD – VDD

Vol: 0 – 0.125V

35 PIO(8)

I/O

Programmable I/O line

Vih: 0.625 VDD – VDD + 0.3V

Vil: -0.3V – 0.25 VDD

Voh: 0.75 VDD – VDD

Vol: 0 – 0.125V

36 PIO(4) I/O Programmable I/O line

Vih: 0.625 VDD – VDD + 0.3V

Vil: -0.3V – 0.25 VDD

Voh: 0.75 VDD – VDD

Vol: 0 – 0.125V

37 VREGEN_H I Internal SMPS 1.8v enable

Vih: 2.0V – 4.9V

Vil: 0V – 0.6V

38 GND - Ground ---

39 1V8 I 1.8V Voltage input 1.70V – 1.95V

40 LX O Internal SMPS 1.8V output 1.70V – 1.95V

41 BAT_P I Battery input 3.30V – 4.4V

42 VDD_CHG I Internal Battery Charger input 4.5V-6.5V

43 GND - Ground ---

44 nRST I Reset (Low Active)

Vih: 0.625 VDD – VDD + 0.3V

Vil: -0.3V -- 0.25 VDD