User Manuals: Toshiba CG-M4M(1)-E RISC Microcontroller

Manuals and User Guides for Toshiba CG-M4M(1)-E RISC Microcontroller. We have 1 Toshiba CG-M4M(1)-E RISC Microcontroller manual available for free PDF download: Reference Manual

Toshiba CG-M4M(1)-E Reference Manual (64 pages)

32-bit RISC Microcontroller, Clock Control and Operation Mode

Brand: Toshiba | Category: Microcontrollers | Size: 1.17 MB

Table of Contents
2
Preface
6
Related Document
6
Conventions
7
Terms and Abbreviations
9
Clock Control and Operation Mode
10
Outlines
10
Clock Control
11
Clock Type
11
The Initial Value by a Reset Action
11
Clock System Diagram
12
Figure 1.1 Clock System Diagram
12
Warming-Up Function
13
The Warming-Up Timer for a High Speed Oscillation
13
The Directions for a Warming-Up Timer
14
Clock Multiplying Circuit (PLL) for Fsys
14
A PLL Setup after Reset Release
14
The Formula and the Example of a Setting of a PLL Multiplication Value
15
Table 1.1 Details of [CGPLL0SEL]<PLL0SET[23:0]> Setup
15
Table 1.2 PLL Correction (Example)
15
Change of the PLL Multiplication Value under Operation
16
Table 1.3 PLL0SET Setting Value (Example)
16
PLL Operation Start / Stop / Switching Procedure
17
Fc Setup (PLL Stop >>> PLL Start)
17
Fc Setup (Conduct PLL >>> PLL Stop)
17
System Clock
18
Table 1.4 Clock Domains of CPU and Peripherals
18
Table 1.5 Time Interval for Changing System Clock
18
Table 1.6 Example of Operation Frequency
18
The Setting Method of a System Clock
19
OSC Setup (Internal Oscillation >>> External Oscillation)
19
Table 1.7 Operating Frequency Examples of High Speed and Middle Speed System Clocks
19
OSC Setup (Internal Oscillation >>> External Clock Input)
20
OSC Setup (External Oscillation/External Clock Input >>> Internal Oscillation)
20
Clock Supply Setting Function
21
Prescaler Clock
21
Table 1.8 Time Interval for Changing Prescaler Clocks
21
Operation Mode
22
Details of an Operation Mode
22
The Feature in each Mode
22
Transition to and Return from Low Power Consumption Mode
23
Selection of a Low Power Consumption Mode
23
Table 1.9 Low Power Consumption Mode Selection
23
The Peripheral Function State in a Low Power Consumption Mode
24
Table 1.10 Block Operation Status in each Low Power Consumption Mode
24
Mode State Transition
25
IDLE Mode Transition Flow
25
Figure 1.2 Mode State Transition
25
STOP1 Mode Transition Flow
26
Return from a Low Power Consumption Mode
27
The Release Source of a Low Power Consumption Mode
27
Table 1.11 Release Source List
27
Warming-Up at the Release of Low Power Consumption Mode
28
Table 1.12 Warming-Up
28
Clock Operation by Mode Transition
29
NORMAL >>> IDLE >>> NORMAL Operation Mode Transition
29
NORMAL >>> STOP1 >>> NORMAL Operation Mode Transition
29
Figure 1.3 NORMAL >>> STOP1 >>> NORMAL Operation Mode Transition
29
Explanation of a Register
30
Register List
30
Detail of Register
31
CGPROTECT] (CG Write Protection Register)
31
CGOSCCR] (Oscillation Control Register)
31
CGSYSCR] (System Clock Control Register)
32
CGSTBYCR] (Standby Control Register)
33
CGPLL0SEL] (PLL Selection Register for Fsys)
33
CGWUPHCR] (High Speed Oscillation Warming-Up Register)
34
CGFSYSMENA] (Supply and Stop Register a for Fsysm)
34
CGFSYSMENB] (Supply and Stop Register B for Fsysm)
37
CGFSYSENA] (Supply and Stop Register a for Fsysh)
38
CGFCEN] (Clock Supply and Stop Register for Fc)
39
CGSPCLKEN] (Clock Supply and Stop Register for ADC and Debug Circuit)
39
Information According to Product
40
Cgfsysmena]
40
Table 1.13 [CGFSYSMENA] Register Corresponding to each Product
40
Cgfsysmenb]
41
Table 1.14 [CGFSYSMENB] Register Corresponding to each Product
41
Cgfsysena]
42
Cgfcen]
42
Table 1.15 [CGFSYSENA] Register Corresponding to each Product
42
Table 1.16 [CGFCEN] Register Corresponding to each Product
42
Memory Map
43
Outlines
43
Tmpm4Mxfya
44
Figure 2.1 Tmpm4Mxfya
44
Tmpm4Mxfwa
45
Figure 2.2 Tmpm4Mxfwa
45
Bus Matrix
46
Structure
47
Single Chip Mode
47
Figure 2.3 Single Chip Mode
47
Single Boot Mode
48
Figure 2.4 Single Boot Mode
48
Connection Table
49
Connection of Memory Related
49
Table 2.1 Single Chip Mode
49
Table 2.2 Single Boot Mode
49
Table 2.3 Single Chip Mode
50
Table 2.4 Single Boot Mode
50
Connection of Peripheral Function
51
Table 2.5 Connection of Peripheral Function
51
Reset and Power Supply Control
52
Outlines
52
Description of Function and Operation
52
Cold Reset
52
Reset by a Power on Reset Circuit (Without Using a RESET_N Pin)
53
Figure 3.1 the Reset Operation by a Power on Reset Circuit
53
Reset by a RESET_N Pin
54
Figure 3.2 Reset Operation by a RESET_N Pin (1)
54
Figure 3.3 Reset Operation by a RESET_N Pin (2)
55
Continuation of Reset by LVD
56
Figure 3.4 Reset Operation by LVD Reset
56
Warm Reset
57
Warm Reset by RESET_N Pin
57
Warm Reset by LVD
57
Warm Reset by Other Internal Reset Factors
57
Figure 3.5 Warm Reset Operation
57
Starting in Single Boot Mode
58
Starting by the RESET_N Pin
58
Figure 3.6 When the Power Supply Is On, Starting in Single Boot Mode by the RESET_N Pin
58
Starting in Single Boot Mode When Power Supply Is Stable
59
Figure 3.7 Starting in the Single Boot Mode When Power Supply Is Stable
59
Power on Reset Circuit
60
Operation at the Time of a Power Supply
60
Operation at the Time of Turn off
60
Figure 3.8 Power on Reset Circuit
60
Turning off and Re-Turning on Power Supply
61
When Using External Reset Circuit or Internal LVD Reset Output
61
When Not Using External Reset Circuit and Internal LVD Reset Output
61
After Reset Release
61
The Reset Factor and the Reset Range
62
Table 3.1 the Reset Factor and the Range Initialized
62
Revision History
63
Table 4.1 Revision History
63
Restrictions on Product Use
64

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User Manuals: Toshiba CG-M4M(1)-E RISC Microcontroller

Toshiba CG-M4M(1)-E Reference Manual (64 pages)

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