参数资料
型号: M34283G2GP
元件分类: 微控制器/微处理器
英文描述: 4-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO20
封装: 4.40 X 6.50 MM, 0.65 MM PITCH, PLASTIC, LSSOP-20
文件页数: 6/41页
文件大小: 441K
代理商: M34283G2GP
Rev.1.01
Mar 20, 2006
page 12 of 62
REJ03B0109-0101
4283 Group
Fig. 13 Timers structure
XIN
Frequency divider
(divided by 4)
INSTCK
(Instruction clock)
Frequency divider
(divided by 8)
STCK (System clock)
Initializing signal
WRST instruction
System reset
INSTCK
Q
S
R
CCK instruction
Initializing signal
(Note 4)
(Note 3)
Synchronous
circuit
14-bit timer (WDT)
13
0
5
Initializing signal
(Note 4)
WDF1 WDF2
(Note 1)
0
1
V10
CARRY
1
0
V11
Reload register R1 (8)
Timer 1 (8)
Register B
Register A
(T1AB)
(TAB1)
(Note 2)
T1F
SNZT1 instruction
Timer 1 underflow signal
(to port CARR)
Register A
Reload control circuit
(TAB2)
V22
Q
R
T
T2F
Register B
(T2AB)
Reload register R2L (8)
Timer 2(8)
Register B
(T2HAB)
Reload register R2H (8)
0
1
V20 (Note 1)
V21
0
1
(TAB2)
(T2AB)
CARRYD
(to port CARR)
T2F
V23
SNZT2
instruction
XIN
D
T
Q
R
V10
Carrier wave output control signal
V12
Port CARR
SCAR instruction
SQ
R
RCAR instruction
CAR flag
CARRY
(to timer 1)
Timer 1 underflow signal
(T2R2L)
(TAB1)
(Note 3)
1/2
Notes 1: Counting is stopped by clearing to “0.”
2: When the T1AB instruction is executed after V1 0 is set to “1,”
writing is performed only to reload register R1.
3: The data of reload register R2L set with the T2AB instruction
can be also written to timer 2 with the T2R2L instruction.
4: The initializing signal is output at reset or RAM back-up mode.
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相关代理商/技术参数
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M34286G2GP#U0 功能描述:MCU 1.8/3.6V 2KB ROM 20-LSSOP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器, 系列:720/4500 标准包装:38 系列:Encore!® XP® 核心处理器:eZ8 芯体尺寸:8-位 速度:5MHz 连通性:IrDA,UART/USART 外围设备:欠压检测/复位,LED,POR,PWM,WDT 输入/输出数:16 程序存储器容量:4KB(4K x 8) 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:1K x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 3.6 V 数据转换器:- 振荡器型:内部 工作温度:-40°C ~ 105°C 封装/外壳:20-SOIC(0.295",7.50mm 宽) 包装:管件 其它名称:269-4116Z8F0413SH005EG-ND