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Contents
Section Title Page
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List of Illustrations
Figure Title Page
List of Tables
Table Title Page
1 Introduction
1.1 Features
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1.2 TCM4300 Functional Block Diagram
1.3 Pin Assignments
1.4 Terminal Functions
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2 Electrical Specifications
2.1 Absolute Maximum Ratings Over Operating Free-Air Temperature Range (unless otherwise noted)
2.2 Dissipation Rating Table
2.3 Recommended Operating Conditions
2.4 Electrical Characteristics Over Full Range Of Operating Conditions (Unless Otherwise Noted)
2.4.1 Power Consumption
2.4.2 Reference Characteristics
2.4.3 Terminal Impedance
2.4.4 RXIP, RXIN, RXQP, and RXQN Inputs (AVDD = 3 V, 4.5 V, 5 V)
2.4.5 Transmit I and Q Channel Outputs
2.4.6 Auxiliary D/A Converters
2.4.7 Auxiliary D/A Converters Slope (AGC, AFC, PWRCONT)
2.4.8 Auxiliary D/A Converters Slope (LCDCONTR)
2.4.9 RSSI/Battery A/D Converter
2.5 Operating Characteristics Over Full Range of Operating Conditions (Unless Otherwise Noted)
2.5.1 Receive (RX) Channel Frequency Response (RXI, RXQ Input in Digital Mode)
2.5.2 Receive (RX) Channel Frequency Response (FM Input in Analog Mode)
2.5.3 Transmit (TX) Channel Frequency Response (Digital Mode)
2.5.4 Transmit (TX) Channel Frequency Response (Analog Mode)
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3 Parameter Measurement Information
3.1 MCLKOUT Timing Requirements (see Figure 31 and Note 1)
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3.10 Switching Characteristics, TCM4300 to DSP Interface (Read Cycle) (see Figure 310)
Figure 310. TCM4300 to DSP Interface (Read Cycle)
3.11 Switching Characteristics, TCM4300 to DSP Interface (Write Cycle) (see Figure 311)
Figure 311. TCM4300 to DSP Interface (Write Cycle)
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4 Principles of Operation
4.1 Data Transfer
4.2 Receive Section
Table 42. RXIP, RXIN, RXQP, and RXQN Inputs (AVDD = 3 V, 4.5 V, 5 V)
4.3 Transmit Section
Modulation error percentage 100 |e| |s| %
4.4 Transmit Burst Operation (Digital Mode)
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4.5 Transmit I And Q Output Level
4.6 Wide-Band Data Demodulator
4.7 Wide-band Data Interrupts
4.8 Wide-band Data Demodulator General Information
4.9 Auxiliary DACs, LCD Contrast Converter
4.9 Auxiliary DACs, LCD Contrast Converter (continued)
4.10 RSSI, Battery Monitor
4.11 Timing And Clock Generation
4.11.1 Clock Generation
4.11.2 Speech-Codec Clock Generation
MCLKIN
4.11.3 Microcontroller Clock
4.11.4 Sample Interrupt SINT
4.11.5 Phase-Adjustment Strategy
Figure 45. Timing and Clock Generation for 38.88-MHz Clock
4.12 Frequency Synthesizer Interface
Figure 46. Synthesizer Interface Circuit Block Diagram
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4.13 Power Control Port
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4.14 Microcontroller-DSP Communications
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4.15 Microcontroller Register Map
Table 417. Microcontroller Register Definitions
4.16 Wide-Band Data/Control Register
4.17 Microcontroller Status and Control Registers
Table 419. MStatCtrl Register Bits
4.18 LCD Contrast
4.19 DSP Register Map
Table 421. DSP Register Definitions
Figure 411. DSP Interface
4.20 Wide-Band Data Registers
Bit 9 of the wide-band data register is the most recently received bit as shown below.
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4.21 Base Station Offset Register
The delay in the TCM4300 TX channels is increased by the amount: BST OFFSET dTSINT
4.22 DSP Status and Control Registers
4.23 Reset
4.23.1 Power-On Reset
4.23.2 Internal Reset State
4.24 Microcontroller Interface
4.24.1 Intel Microcontroller Mode Of Operation
4.24.2 Mitsubishi Microcontroller Mode of Operation
4.24.3 Motorola Microcontroller Mode of Operation
Table 428. Microcontroller Interface Connections for Motorola Mode (16 bits)
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5 Mechanical Data
5.1