参数资料
型号: UPD78F9212CS-CAB-A
厂商: Renesas Electronics America
文件页数: 151/175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 5 CLOCK GENERATORS
User’s Manual U16994EJ6V0UD
75
Figure 5-1. Block Diagram of Clock Generators
X1/P23/ANI3
X2/P22/ANI2
fX
2
PCC1
Controller
Selector
CPU clock
(fCPU)
Internal bus
Oscillation stabilization
time select register (OSTS)
Preprocessor clock
control register (PPCC)
Processor clock
control register (PCC)
STOP
PPCC1 PPCC0
OSTS1 OSTS0
fXP
22
fXP
fX
22
fRL
LSRSTOP
CPU
System clock oscillation
stabilization time counter
Selector
Prescaler
Clock to peripheral
hardware (fXP)
8-bit timer H1,
watchdog timer
Option byte
1: Cannot be stopped.
0: Can be stopped.
Low-speed internal oscillation
mode register (LSRCM)
Low-speed
internal
oscillator
Prescaler
System clock
oscillatorNote
External clock
input
Crystal/ceramic
oscillation
High-speed
internal
oscillation
Watchdog timer
Note Select the high-speed internal oscillator, crystal/ceramic oscillator, or external clock input circuit as the
system clock source by using the option byte.
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