MC44355DW 查看數據表（PDF） - Motorola => Freescale

零件编号

产品描述 (功能)

生产厂家

MC44355DW

PLL Tuned UHF Audio/Video Modulator ICs for PAL, SECAM and NTSC TV Systems

Motorola => Freescale 

MC44353 MC44354 MC44355

High Speed I2C Compatible Bus Format

CA – Chip Address

C0 – Low Order Bits

C1 – High Order Bits

FL – Low Order Bits

Bit 7

Bit 0

ACK

ÉÉÉÉ1 ÉÉÉÉ1ÉÉÉÉÉÉ0 ÉÉÉÉ0ÉÉÉÉÉÉ1 ÉÉÉÉ0ÉÉÉÉÉÉ1 ÉÉÉÉ0ÉÉÉÉAÉÉCK ÉÉ

VMD2 VMD1 VMD0 SFD1 SFD0 TB2

TB1

TB0

ACK

ÉÉÉÉ1 ÉÉÉÉAMÉÉD2 ÉÉAÉÉMD1ÉÉÉÉAMÉÉD0 ÉÉPÉÉSD2ÉÉÉÉPSDÉÉ1 ÉÉPÉÉSD0ÉÉÉÉSysÉÉL ÉÉAÉÉCK ÉÉ

N5

N4

N3

N2

N1

N0

X1

X0

ACK

FM – High Order Bits

0

TPEN

N11

N10

N9

N8

N7

N6

ACK

NOTES: 1. C0 and FL: Low Order Bits and C1 and FM: High Order Bits.

2. VDM0–2: Video Mod Depth control bits (for MC44355 VMD0–2 are Don’t Care).

3. SFD0–1: Sound subcarrier frequency control bits.

4. TB0–2 and X1, X0: Test modes bits, see table entitled TEST MODES.

5. AMD0–2: Audio Modulation Sensitivity, see table entitled AUDIO MODULATION SENSITIVITY (for MC44355 AMD0–2 are Don’t Care).

6. PSD0–2: Picture to Sound carrier ratio, see table entitled PICTURE to SOUND CARRIER RATIO (for MC44355 PSD0–1 are Don’t Care).

7. SysL: System L enable (selects AM sound and positive video modulation, MC44353 only).

8. TPEN: Test pattern enable (picture and sound).

9. N0 to N11: UHF frequency programming bits, in steps of 250 kHz.

Figure 5. High Speed I2C Compatible bus data format

SCL

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

44 45

STA

SDA

Chip Address ($CA)

First Data Byte (C1 or FM)

Data

STO

ACK

ACK

ACK

MOTOROLA ANALOG IC DEVICE DATA

5

Share Link: