参数资料
型号: UPD78F9222CS-CAC-A
厂商: Renesas Electronics America
文件页数: 14/125页
文件大小: 0K
描述: MCU 8BIT 4KB FLASH 20PIN
标准包装: 400
系列: 78K0S/Kx1+
核心处理器: 78K0S
芯体尺寸: 8-位
速度: 10MHz
连通性: LIN,UART/USART
外围设备: LVD,POR,PWM,WDT
输入/输出数: 15
程序存储器容量: 4KB(4K x 8)
程序存储器类型: 闪存
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 2 V ~ 5.5 V
数据转换器: A/D 4x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 20-DIP(0.300",7.62mm)
包装: 托盘
CHAPTER 6 16-BIT TIMER/EVENT COUNTER 00
User’s Manual U16898EJ6V0UD
108
Figure 6-23. Control Register Settings for Pulse Width Measurement with Free-Running Counter and
Two Capture Registers (with Rising Edge Specified)
(a) Capture/compare control register 00 (CRC00)
7
0
6
0
5
0
4
0
3
0
CRC002
1
CRC001
1
CRC000
1
CRC00
CR000 used as capture register
Captures to CR000 at inverse edge
to valid edge of TI000Note.
CR010 used as capture register
(b) Prescaler mode register 00 (PRM00)
ES110
0/1
ES100
0/1
ES010
0
ES000
1
3
0
2
0
PRM001
0/1
PRM000
0/1
PRM00
Selects count clock (setting “11” is prohibited).
Specifies rising edge for pulse width detection.
Setting invalid (setting “10” is prohibited.)
(c) 16-bit timer mode control register 00 (TMC00)
7
0
6
0
5
0
4
0
TMC003
0
TMC002
1
TMC001
0/1
OVF00
0
TMC00
Free-running mode
Note If the valid edge of TI000 pin is specified to be both the rising and falling edges, 16-bit timer
capture/compare register 000 (CR000) cannot perform the capture operation. When the CRC001 bit value
is 1, the TM00 count value is not captured in the CR000 register when a valid edge of the TI010 pin is
detected, but the input from the TI010 pin can be used as an external interrupt source because INTTM000 is
generated at that timing.
Remark
0/1: Setting 0 or 1 allows another function to be used simultaneously with pulse width measurement.
See the description of the respective control registers for details.
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