参数资料
型号: UPD78F9212CS-CAB-A
厂商: Renesas Electronics America
文件页数: 47/175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
138
Figure 7-8. Timing of Interval Timer/Square-Wave Output Operation (1/2)
(a) Basic operation (01H
≤ CMP01 ≤ FEH)
00H
Count clock
Count start
8-bit timer counter H1
CMP01
TMHE1
INTTMH1
TOH1
01H
N
Clear
Interval time
Clear
N
00H
01H
N
00H
01H 00H
<2>
Level inversion,
match interrupt occurrence,
8-bit timer counter H1 clear
<2>
Level inversion,
match interrupt occurrence,
8-bit timer counter H1 clear
<3>
<1>
The count operation is enabled by setting the TMHE1 bit to 1. The count clock starts counting no more than
1 clock after the operation is enabled.
<2>
When the values of 8-bit timer counter H1 and the CMP01 register match, the value of 8-bit timer counter H1
is cleared, the TOH1 output level is inverted, and the INTTMH1 signal is output.
<3>
The INTTMH1 signal and TOH1 output become inactive by clearing the TMHE1 bit to 0 during timer H1
operation. If these are inactive from the first, the level is retained.
Remark
01H
≤ N ≤ FEH
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