参数资料
型号: UPD78F9212CS-CAB-A
厂商: Renesas Electronics America
文件页数: 38/175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
130
(23) External clock limitation
<1> When using an input pulse of the TI000 pin as a count clock (external trigger), be sure to input the pulse
width which satisfies the AC characteristics. For the AC characteristics, refer to CHAPTER 19 and
CHAPTER 20 ELECTRICAL SPECIFICATIONS.
<2> When an external waveform is input to 16-bit timer/event counter 00, it is sampled by the noise limiter
circuit and thus an error occurs on the timing to become valid inside the device.
Count clock (fsam)
TI000
Input pulse through
noise limiter circuit
Sampling time on filter
Remark
The count clock (fsam) can be selected using bits 0 and 1 (PRM000, PRM001) of prescaler
mode register 00 (PRM00).
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