參數(shù)資料
型號(hào): MC68HC705CL4FU
廠商: MOTOROLA INC
元件分類(lèi): 微控制器/微處理器
英文描述: 8-BIT, MROM, 1.84 MHz, MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁(yè)數(shù): 64/101頁(yè)
文件大?。?/td> 517K
代理商: MC68HC705CL4FU
February 12, 1997
GENERAL RELEASE SPECIFICATION
MC68HC05CL4
CALLER ID
MOTOROLA
REV 2.0
10-1
SECTION 10
CALLER ID
This section describes the Caller ID module of the MC68HC05CL4.
10.1
INTRODUCTION.
The Caller ID module demodulates the Bell 202 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 10-1.
Figure 10-1. CLID 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
TCAP
TCMP
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
Power CTL
from CPU
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