Page 13
T
5CL8
Note 1: In single clock mode, do not set DV7CK to “1”.
Note 2: Do not set “1” on DV7CK while the low-frequency clock is not operated stably.
Note 3: fc: High-frequency clock [Hz], fs: Low-frequency clock [Hz], *: Don’t care
Note 4: In SLOW1/2 and SLEEP1/2 modes, the DV7CK setting is ineffective, and fs is input to the 7th stage of the divider.
Note 5: When STOP mode is entered from NORMAL1/2 mode, the DV7CK setting is ineffective during the warm-up period after
release of STOP mode, and the 6th stage of the divider is input to the 7th stage during this period.
2.2.2.2 Machine cycle
Instruction execution and peripheral hardware operation are synchronized with the main system clock.
The minimum instruction execution unit is called an “machine cycle”. There are a total of 10 different
types of instructions for the TLCS-870/C Series: Ranging from 1-cycle instructions which require one
machine cycle for execution to 10-cycle instructions which require 10 machine cycles for execution. A
machine cycle consists of 4 states (S0 to S3), and each state consists of one main system clock.
Figure 2-5 Machine Cycle
2.2.3 Operation Mode Control Circuit
The operation mode control circuit starts and stops the oscillation circuits for the high-frequency and low-
frequency clocks, and switches the main system clock. There are three operating modes: Single clock mode,
dual clock mode and STOP mode. These modes are controlled by the system control registers (SYSCR1 and
SYSCR2). Figure 2-6 shows the operating mode transition diagram.
2.2.3.1 Single-clock mode
Only the oscillation circuit for the high-frequency clock is used, and P21 (XTIN) and P22 (XTOUT)
pins are used as input/output ports. The main-system clock is obtained from the high-frequency clock. In
the single-clock mode, the machine cycle time is 4/fc [s].
(1) NORMAL1 mode
In this mode, both the CPU core and on-chip peripherals operate using the high-frequency clock.
The T
5CL8
is placed in this mode after reset.
Timing Generator Control Register
TBTCR
(0036H)
7
6
5
4
3
2
1
0
(DVOEN)
(DVOCK)
DV7CK
(TBTEN)
(TBTCK)
(Initial value: 0000 0000)
DV7CK
Selection of input to the 7th stage
of the divider
0: fc/2
8
[Hz]
1: fs
R/W
Main system clock
State
Machine cycle
S3
S2
S1
S0
S3
S2
S1
S0
1/fc or 1/fs [s]
Содержание CEM2100/00
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Страница 12: ...PCB LAYOUT MAIN BOARD BOTTOM SIDE VIEW 12 ...
Страница 13: ...PCB LAYOUT PANEL BOARD TOP SIDE VIEW ...
Страница 14: ...14 PCB LAYOUT PANEL BOARD BOTTOM SIDE VIEW ...
Страница 15: ...PCB LAYOUT REMOTE BOARD TOP SIDE VIEW 15 ...
Страница 16: ...PCB LAYOUT REMOTE BOARD BOTTOM SIDE VIEW 16 ...
Страница 17: ...PCB LAYOUT TUNER BOARD TOP SIDE VIEW 17 ...
Страница 18: ...PCB LAYOUT TUNER BOARD BOTTOM SIDE VIEW 18 ...
Страница 19: ...PCB LAYOUT SD BOARD TOP SIDE VIEW ...
Страница 20: ...20 PCB LAYOUT CD CONNECTOR TOP SIDE VIEW ...
Страница 21: ...PCB LAYOUT ISO BOARD BOTTOM SIDE VIEW 21 ...
Страница 22: ...22 SET EXPLODER VIEW DRAWING ...
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Страница 111: ...8 Bit Microcontroller TLCS 870 C Series T5CL8 ...
Страница 113: ...Revision History Date Revision 2008 7 31 1 First Release ...
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Страница 126: ...Page 4 1 3 Block Diagram T5CL8 1 3 Block Diagram Figure 1 2 Block Diagram ...
Страница 130: ...Page 8 1 4 Pin Names and Functions T5CL8 ...
Страница 155: ...Page 33 T5CL8 ...
Страница 156: ...Page 34 2 Operational Description 2 3 Reset Circuit T5CL8 ...
Страница 186: ...Page 64 5 I O Ports 5 8 Port P7 P77 to P70 T5CL8 ...
Страница 194: ...Page 72 6 Watchdog Timer WDT 6 3 Address Trap T5CL8 ...
Страница 214: ...Page 92 8 16 Bit TimerCounter 1 TC1 8 3 Function T5CL8 ...
Страница 270: ...Page 148 12 Asynchronous Serial interface UART1 12 9 Status Flag T5CL8 ...
Страница 280: ...Page 158 13 Asynchronous Serial interface UART2 13 9 Status Flag T5CL8 ...
Страница 332: ...Page 210 16 Serial Bus Interface I2C Bus Ver D SBI 16 6 Data Transfer of I2C Bus T5CL8 ...
Страница 342: ...Page 220 17 10 bit AD Converter ADC 17 6 Precautions about AD Converter T5CL8 ...
Страница 354: ...Page 232 19 Flash Memory 19 4 Access to the Flash Memory Area T5CL8 ...
Страница 388: ...Page 266 21 Input Output Circuit 21 2 Input Output Ports T5CL8 ...
Страница 397: ...Page 275 T5CL8 23 Package Dimensions LQFP64 P 1010 0 50D Rev 01 Unit mm ...
Страница 398: ...Page 276 23 Package Dimensions T5CL8 ...
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Страница 403: ...TC94B14MFG 2010 01 12 3 Pin Layout and Block Diagram Top View Pin Layout Top View TC94B14MFG Top View TEST1 ...
Страница 428: ...TC94B14MFG 2010 01 12 28 Package LQFP80 P 1212 0 50F Weight 0 6 g Typical ...