LM8335 datasheet(11/16 Pages) TI

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LM8335

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SNVS840 – JUNE 2012

Table 1. Register Listing (continued)

Addr

Bit

Default

Description

GPO output data mask

0 = GPO_OUT_DATA masked

1 = GPO_OUT_DATA unmasked

0xFF

Note: Only the GPO_OUT_DATA register write is affected by

(CFG=0) or

GPO_OUT_MASK

0x04

7:0

the GPO_OUT_MASK register. When the GPO_OUT_MASK

0x00

bit is set low (masked), writing to GPO_OUT_DATA register

(CFG=1)

will leave the pin state unchanged. When the

GPO_OUT_MASK bit is set high (unmasked), the GPO output

will be updated when the GPO_OUT_DATA is written (only

GPOs that are unmasked will be changed).

GPO output data

0 = pin set low

1 = pin set high

GPO_OUT_DATA

0x05

7:0

0x00

Note: GPO_OUT_HIGH_CFG register selects if the pin is

driven or high-z. The pin state will follow GPO_OUT_DATA

only if the corresponding bit is unmasked in the

GPO_OUT_MASK register.

MIPI RFFE power mode and trigger register

PM_TRIG

0x1C

7:0

0x00

Bits 7:6 = PWR_MODE

Bits 5:0 = TRIG_REG

This is a MIPI RFFE reserved read only register and can not

be read since readback is not supported on this device.

PROD_ID

0x1D

7:0

0xC4

Bits 7:0 = PRODUCT_ID [7:0]

The product ID is provided as information only to support the

RFFE USID programming feature.

This is a MIPI RFFE reserved read-only register and can not

be read since readback is not supported on this device.

MAN_ID

0x1E

7:0

0x02

Bits 7:0 = MANUFACTURER_ID [7:0]

The manufacturer ID is provided as information only to support

the RFFE USID programming feature.

0x11

This MIPI RFFE reserved register

(ADR=0)

Bits 7:6 = SPARE

0x19

Bits 5:4 = MANUFACTURER_ID [9:8] = 1

(ADR=1)

Bits 3:0 = Programmable Unique Slave Identifier

— ADR=Low, USID[3:0]=0001

USID_REG

0x1F

7:0

— ADR=High, USID[3:0]=1001

Note: The USID is initially set based on the state of the ADR

pin (default value when ADR=Low shown). This register can

not be read since readback is not supported on this device.

USID_REG[5:4] are provided as information only to support

the RFFE USID programming feature.

Table 2. General Bit Field Layout for GPO_x Registers

GPO_7

GPO_6

GPO_5

GPO_4

GPO_3

GPO_2

GPO_1

GPO_0

Table 3. CNTL_REG Register Bit Fields

rsvd

SW_RESET

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