参数资料
型号: UPD78F9212CS-CAB-A
厂商: Renesas Electronics America
文件页数: 51/175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 7 8-BIT TIMER H1
User’s Manual U16994EJ6V0UD
142
Figure 7-10. Operation Timing in PWM Output Mode (1/4)
(a) Basic operation (00H < CMP11 < CMP01 < FFH)
Count clock
8-bit timer counter H1
CMP01
TMHE1
INTTMH1
TOH1
(TOLEV1 = 0)
TOH1
(TOLEV1 = 1)
00H 01H
A5H 00H 01H 02H
A5H 00H
01H 02H
CMP11
A5H
01H
<1>
<2>
<3>
<4>
<1>
The count operation is enabled by setting the TMHE1 bit to 1. Start 8-bit timer counter H1 by masking one
count clock to count up. At this time, TOH1 output remains inactive (when TOLEV1 = 0).
<2>
When the values of 8-bit timer counter H1 and the CMP01 register match, the TOH1 output level is inverted,
the value of 8-bit timer counter H1 is cleared, and the INTTMH1 signal is output.
<3>
When the values of 8-bit timer counter H1 and the CMP11 register match, the level of the TOH1 output is
returned. At this time, the 8-bit timer counter value is not cleared and the INTTMH1 signal is not output.
<4>
Clearing the TMHE1 bit to 0 during timer H1 operation makes the INTTMH1 signal and TOH1 output inactive.
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