SM8212 datasheet(22/32 Pages) NPC

22 / 32 page

NIPPON PRECISION CIRCUITS-22

SM8212B

3. Address set flags

Address setting flag

ADDRESS ENABLE

ADDRESS 2 (ADDR 2)

ADDRESS 1 (ADDR 1)

ADDRESS 0 (ADDR 0)

FRAME 2 (FR 2)

FRAME 1 (FR 1)

FRAME 0 (FR 0)

A11

A12

A13

A14

A15

A16

A17

A18

Table 6. Address set flags

Bits 1 to 7

These bits form the address set command.

Bit 8

These bits are the address (bits 9 to 32) enable flags.

When 1, the address set by bits 9 to 32 are valid.

When 0, the address set by bits 9 to 32 are invalid.

Bits 9 to 11

These bits are the address (bits 15 to 32) call sign set flags.

Using 8-address control, the call signs are A, B, C, D, E, F, G and H.

When an address code word is received, it is compared with the self

addresses.

Bits 12 to 14

These bits are the address (bits 15 to 32) frame assign flags.

Any frame can be assigned individually to any of the 8 controllable

addresses. Up to 8 frames can be assigned.

Bits 15 to 32

Address bits.

The 18-bit address should be written with MSB first.

In the SM8212B, each of the 8 independent addresses

can be assigned a frame.

Address settings are made in 8 batches in write mode

immediately after power is applied and immediately after

reset (9 batches total, including the parameter batch). All

batches should be set. If not all batches are set, subsequent

operation may become unstable.

Also, an address setting can be modified during normal

operation, 1 address at a time, with no adverse effects.

Note : Please refrain from turning "ON" the same num-

ber of address for two or more at the same time when set-

ting addresses.

ADDR 2 ADDR 1 ADDR 0 Name ADDR 2 ADDR 1 ADDR 0 Name

000

100

001

101

010

110

011

111

FR 2

FR 1

FR 0

Frame

FR 2

FR 1

FR 0

Frame

Frame 0

Frame 4

Frame 1

Frame 5

Frame 2

Frame 6

Frame 3

Frame 7

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