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EMMA Mobile 1
Renesas EMMA Mobile 1 Manuals
Manuals and User Guides for Renesas EMMA Mobile 1. We have
1
Renesas EMMA Mobile 1 manual available for free PDF download: User Manual
Renesas EMMA Mobile 1 User Manual (50 pages)
Multimedia Processor for Mobile Applications UART Interface
Brand:
Renesas
| Category:
Computer Hardware
| Size: 0.53 MB
Table of Contents
Table of Contents
9
Chapter 1 Overview
12
Function Overview
12
Features
12
I/O Signals
12
Chapter 2 Pin Functions
13
UART Interface Pins
13
Chapter 3 Registers
14
Registers
14
UART Registers
15
Receive Buffer/Transmit Hold Register
15
Interrupt Enable Register
17
Interrupt Identification Register
18
Table 3-1. FIFO Operating Mode (Bits 7 to 5)
18
Table 3-2. Interrupt Indication and Prioritization of Interrupt Sources (Bits 3 to 0 of IIR)
19
FIFO Control Register
20
Table 3-3. Reception Trigger Level Settings (Bits 7 and 6 of FCR)
21
Table 3-4. DMA Mode Settings (Bit 3 of FCR and Bits 3 and 2 of HCR0)
21
Table 3-5. DMA Modes and DMA Request Generation Conditions
21
Line Control Register
23
Table 3-6. Parity Type Settings (Bits 5 to 3 of LCR)
24
Table 3-7. Settings for Transmission/Reception Data Length (Bits 1 and 0 of LCR)
24
Modem Control Register
25
Table 3-8. Auto-Flow Settings (Bits 5 and 1 of MCR and Bit 6 of HCR0)
26
Line Status Register
27
Modem Status Register
29
Scratch Register
30
Divisor Latch LS Byte Register
30
Divisor Latch MS Byte Register
31
Hardware Control Register
32
Hardware Status Register 2
33
Hardware Status Register 3
34
IR Encoder/Decoder Registers
35
IR Control Register 0
35
IR Control Register 1
36
IR Control Register 2
37
IR Control Register 3
37
IR Control Register 4
38
Chapter 4 Description of Functions
39
Auto-Flow Mode
39
Fifos
40
Operation in FIFO Interrupt Mode
40
Operation in FIFO Polled Mode
40
Read When the Receive FIFO Is Empty
40
Interrupt Sources
41
Clock and Reset
41
I/O Timing
41
Serial Data
41
Table 4-1. Interrupt Sources
41
Timing of Auto-Flow CTS Control
42
Timing of Auto-Flow RTS Control
42
IR Encoder/Decoder Functions
43
Figure 4-1. IR Encoder/Decoder Block Diagram
43
Transmission Data Modulation by IR Encoder
44
Reception Data Demodulation by IR Decoder
44
Figure 4-2. Transmission Data Modulation Example
44
Figure 4-3. Reception Data Demodulation Example
44
Masking of Reception Data for IR Decoder Echo Cancellation
45
Table 4-2. PULSE_WIDTH[7:0] Setting Examples
45
Table 4-3. MASK_PERIOD[19:0] Setting Examples
45
Cautions on Using IR Encoder/Decoder
46
Figure 4-4. Irphy Ver. 1.4 Block Configuration Example
46
Table 4-4. Irphy Ver. 1.4 SIR Ratings Related to Data Transfer Speed and Pulse Width
46
Chapter 5 Usage
47
Initialization Method
47
Initialization
47
Baud Rate Setting
48
Notes on Use of Fifos
48
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