SH7052 datasheet(241/919 Pages) RENESAS

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215

• Bits 6 to 4—Clock Select B2 to B0 (CKSELB2 to CKSELB0): These bits, relating to counters

DCNT8I to DCNT8P, select clock

φ", scaled from the internal clock source, from φ', φ'/2, φ'/4,

φ'/8, φ'/16, and φ'/32.

Bit 6:

CKSELB2

Bit 5:

CKSELB1

Bit 4:

CKSELB0

Description

Internal clock

φ": counting on φ'

(Initial value)

Internal clock

φ": counting on φ'/2

Internal clock

φ": counting on φ'/4

Internal clock

φ": counting on φ'/8

Internal clock

φ": counting on φ'/16

Internal clock

φ": counting on φ'/32

Setting prohibited

• Bit 3—Reserved: This bit always reads 0. The write value should always be 0.

• Bits 2 to 0—Clock Select A2 to A0 (CKSELA2 to CKSELA0): These bits, relating to counters

DCNT8A to DCNT8H, select clock

φ", scaled from the internal clock source, from φ', φ'/2,

φ'/4, φ'/8, φ'/16, and φ'/32.

Bit 2:

CKSELA2

Bit 1:

CKSELA1

Bit 0:

CKSELA0

Description

Internal clock

φ": counting on φ'

(Initial value)

Internal clock

φ": counting on φ'/2

Internal clock

φ": counting on φ'/4

Internal clock

φ": counting on φ'/8

Internal clock

φ": counting on φ'/16

Internal clock

φ": counting on φ'/32

Setting prohibited

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