参数资料
型号: UPD78F9212CS-CAB-A
厂商: Renesas Electronics America
文件页数: 10/175页
文件大小: 0K
描述: MCU 8BIT 4KB FLASH 16PIN
标准包装: 400
系列: 78K0S/Kx1+
核心处理器: 78K0S
芯体尺寸: 8-位
速度: 10MHz
外围设备: LVD,POR,PWM,WDT
输入/输出数: 13
程序存储器容量: 4KB(4K x 8)
程序存储器类型: 闪存
RAM 容量: 128 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: 16-DIP(0.300",7.62mm)
包装: 托盘
CHAPTER 6 16-BIT TIMER/EVENT COUNTER 00
User’s Manual U16994EJ6V0UD
105
Figure 6-16. External Event Counter Configuration Diagram
16-bit timer capture/compare
register 000 (CR000)
16-bit timer counter 00 (TM00)
Internal bus
Match
Clear
OVF00Note
INTTM000
Noise eliminator
fXP
Valid edge of TI000
Note OVF00 is 1 only when 16-bit timer capture/compare register 000 (CR000) is set to FFFFH.
Figure 6-17. External Event Counter Operation Timing (with Rising Edge Specified)
(1) INTTM000 generation timing immediately after operation starts
Counting is started after a valid edge is detected twice.
CR000
INTTM000
0000H 0001H 0002H 0003H
N–2N–1
N
0000H 0001H 0002H
N
1
23
Count starts
TI000 pin input
TM00 count value
Timer operation starts
(2) INTTM000 generation timing after INTTM000 has been generated twice
CR000
INTTM000
N
0000H 0001H 0002H 0003H 0004H
N–1
N
0000H 0001H 0002H 0003H
N
TI000 pin input
TM00 count value
Caution
When reading the external event counter count value, TM00 should be read.
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