TMP88CS38 datasheet(213/226 Pages) TOSHIBA

213 / 226 page

TMP88CS38/CM38A/CP38A

2007-09-12

88CS38-213

Caption Data Slice Level Control Register (Write/Read)

SLVLCR

(00FDAH)

−

SLVL5

SLVL4

SLVL3

SLVL2

SLVL1

SLVL0

(Initial value: **00 1010)

SLVL

Slice level (Initial value:) setting

Sice level setting

000000: VPCLAMP

+ (1/256) VDD

000001: VPCLAMP

+ (2/256) VDD

000010: VPCLAMP

+ (3/256) VDD

000011: VPCLAMP

+ (4/256) VDD

000100: VPCLAMP

+ (5/256) VDD

111101: VPCLAMP

+ (62/256) VDD

111110: VPCLAMP

+ (63/256) VDD

111111: VPCLAMP

+ (64/256) VDD

Write

SLVL

Slice level (Final value)

Read

Note 1:

VPCLAMP (Pedestal clamp)

= (1/2) VDD

Note 2:

The SLVLCR has different write buffer and read buffer, and cannot be read write-buffer fata. The SBIDBR

cannot be used with any read-modify-write instructions. (Bit manipulation instructions such as SET, CLR,

etc. and logical operation such as AND, OR, etc.)

Sync-tip Slice Level Setting Register (Write only)

DACLCR

(00FD9H)

DACL7

DACL6

DACL5

DACL4

DACL3

DACL2

DACL1

DACL0

(Initial value: 0100 0010)

DACL

DACL7 to DACL4: Slice level

Lower limit setting

DACL3 to DACL0: Slice level

Upper limit setting

0000: VSCLAMP

+ (3/512) VDD

0001: VSCLAMP

+ (6/512) VDD

0010: VSCLAMP

+ (9/512) VDD

0011: VSCLAMP

+ (12/512) VDD

1101: VSCLAMP

+ (42/512) VDD

1110: VSCLAMP

+ (45/512) VDD

1111: VSCLAMP

+ (48/512) VDD

Write

only

Note:

VSCLAMP (Sync-tip clamp)

= (204/512) VDD

Figure 2.17.8 Data Slicer Control (V)

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