参数资料
型号: m789436
厂商: NEC Corp.
元件分类: 8位微控制器
英文描述: 8-Bit Single-Chip Microcontrollers
中文描述: 8位单芯片微控制器
文件页数: 48/144页
文件大小: 1378K
代理商: M789436
CHAPTER 7 8-BIT TIMER
User’s Manual U15075EJ1V0UM00
141
Figure 7-5. Format of 8-Bit Timer Mode Control Register 60
Symbol
<7>
<6>
5
4
3
2
1
<0>
Address
After reset
R/W
TMC60
TCE60
TOE61
TCL602
TCL601
TCL600
TMD601
TMD600
TOE60
FF4EH
00H
R/W
TCE60
Control of TM60 count operation
Note 1
0
Clears TM60 count value and stops operation (the count value is also cleared for TM50 in cascade
connection mode)
1
Starts count operation (the count operation is also started for TM50 in cascade connection mode)
TCL602
TCL601
TCL600
Selection of timer 60 count clock
00
0
fX (5.0 MHz)
00
1
fX/2
2
(1.25 MHz)
01
0
fTMI (external input clock)
01
1
fTMI/2 (external input clock)
10
0
fTMI/2
2
(external input clock)
10
1
fTMI/2
3
(external input clock)
Other than above
Setting prohibited
TMD501
TMD500
TMD601
TMD600
Selection of operation mode for timer 50 and timer 60
Note 2
0
Discrete mode (8-bit timer counter mode)
0
1
0
1
Cascade connection mode (16-bit timer counter mode)
0
1
Carrier generator mode
1
0
1
0
Timer 50: PWM free-running mode
Timer 60: PWM pulse generator mode
Other than above
Setting prohibited
TOE61
TOE60
Control of timer output
0
Output disabled
0
1
Output enabled only for TO60
1
0
Output enabled only for TO61
1
Setting prohibited
Notes 1.
Since the count operation is controlled by TCE60 (bit 7 of TMC60) in cascade connection mode, any
setting for TCE50 is ignored.
2.
The operation mode selection is set to both the TMC50 register and TMC60 register.
Caution
When operating the TMC60, be sure to perform settings in the following order.
<1> Stop the TM60 count operation.
<2> Set the operation mode and the count clock.
<3> Start count operation.
Remarks 1. fX: Main system clock oscillation frequency
2. The parenthesized values apply to operation at fX = 5.0 MHz.
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