參數(shù)資料
型號: MC68HC05CL48
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 1.802 MHz, MICROCONTROLLER, PQFP112
封裝: TQFP-112
文件頁數(shù): 130/145頁
文件大?。?/td> 673K
代理商: MC68HC05CL48
June 11, 1997
GENERAL RELEASE SPECIFICATION
MC68HC05CL48
CALLER-ID
MOTOROLA
REV 2.0
11-1
SECTION 11
CALLER-ID
The Caller ID module demodulates the Bell 202 and CCITT V.23 1200 baud FSK
asynchronous data. This module consists of four major building blocks - FSK
demodulator, Carrier Detect, Ring Detect and the Power Management circuit.
The block diagram of this module is shown in Figure 11-1.
Figure 11-1. Caller ID Block Diagram
Tip
Ring
+
Ring
202
Demod
Detect
Circuit
BPF
Valid
Data
Detect
Power
Management
Carrier
Detect
Circuit
Carrier
Detect
Interface
Ring
Detect
Interface
Demod
Data
Control/Status Register 1
Control/Status Register 2
Serial
Data
Select
Interrupt
Circuit
MCU Data Bus
SDSL
CPU
Interrupt
Ring Det 1
Ring Det 2
Ring Time
VAG
Power CTL
from CPU
Control/Status Register 3
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