ML63611 User’s Manual
Chapter 6 Time Base Counter (TBC)
6 – 1
OPTION B (D): 1.5 V (3.0 V), With regulator
circuit for LCD bias
OPTION A (C): 1.5 V (3.0 V), Without regulator
circuit for LCD bias
6. Time Base Counter (TBC)
6.1
Overview
The time base counter (TBC) is a 15-bit internal counter, which generates the clock supplied to internal peripheral
functions.
The TBC clock is a time base clock (TBCCLK).
TBC outputs are used for functions such as time base interrupts and various other circuits.
TBC8–11 and TBC12–15 can be read/reset by software.
The TBC generates an interrupt request at the falling edge of 32 Hz/16 Hz/4 Hz/2 Hz output.
The TBC is initialized to 0000H at system reset.
6.2
Time Base Counter Configuration
The configuration of the time base counter (TBC) is shown in Figure 6-1.
Figure 6-1 Time Base Counter (TBC) Configuration
1 Hz
2 Hz
4 Hz
8 Hz
16 Hz
32 Hz
64 Hz
128 Hz
256 Hz
512 Hz
1 kHz
2 kHz
4 kHz
8 kHz
16 kHz
(1 Hz)
(2 Hz)
(4 Hz)
(8 Hz)
(16 Hz)
(32 Hz)
(64 Hz)
(128 Hz)
(256 Hz)
(512 Hz)
(1 kHz)
(2 kHz)
(4 kHz)
(8 kHz)
(16 kHz)
TBC7
TBC6
TBC5
TBC4
TBC3
TBC2
TBC1
TBC11
TBC10
TBC9
TBC8
TBC15
TBC14
TBC13
TBC12
R
R
R
TBCR0 READ
TBCR1 READ
TBCR1 WRITE
TBCR0 WRITE
RESET0
TBCCLK
(32.768 kHz)
2 HzINT
4 HzINT
16 HzINT
32 HzINT
(1/32768TBC)
(1/16384TBC)
(1/8192TBC)
(1/4096TBC)
(1/2048TBC)
(1/1024TBC)
(1/512TBC)
(1/256TBC)
(1/128TBC)
(1/64TBC)
(1/32TBC)
(1/16TBC)
(1/8TBC)
(1/4TBC)
(1/2TBC)
D
a
ta
b
u
s
bit 3
bit 2
bit 1
bit 0
bit 3
bit 2
bit 1
bit 0
Содержание ML63611
Страница 9: ...Chapter 1 Overview...
Страница 33: ...Chapter 2 CPU and Memory Spaces...
Страница 42: ...Chapter 3 CPU Control Functions...
Страница 49: ...Chapter 4 Interrupt INT...
Страница 62: ...Chapter 5 Clock Generator Circuit OSC...
Страница 71: ...Chapter 6 Time Base Counter TBC...
Страница 75: ...Chapter 7 Timers TIMER...
Страница 99: ...Chapter 8 100 Hz Timer Counter 100HzTC...
Страница 103: ...Chapter 9 Watchdog Timer WDT...
Страница 108: ...Chapter 10 Ports INPUT I O PORT...
Страница 140: ...Chapter 11 Melody Driver MELODY...
Страница 152: ...Chapter 12 Serial Port SIO...
Страница 179: ...Chapter 13 LCD Driver LCD...
Страница 200: ...Chapter 14 Battery Low Detect Circuit BLD...
Страница 204: ...Chapter 15 Power Supply Circuit POWER...
Страница 215: ...Chapter 16 A D Converter ADC...
Страница 238: ...Appendixes...
Страница 271: ...ML63611 User s Manual First Edition May 2001 Second Edition June 2001 2001 Oki Electric Industry Co Ltd PEUL63611 02...