参数资料
型号: M38039GCHWG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8.4 MHz, MICROCONTROLLER, PBGA64
封装: 6 X 6 MM, 0.65 PITCH, FLGA-64
文件页数: 67/103页
文件大小: 1412K
代理商: M38039GCHWG
REJ03B0166-0113 Rev.1.13
Aug 21, 2009
Page 66 of 100
3803 Group (Spec.H QzROM version)
RESET CIRCUIT
To reset the microcomputer, RESET pin should be held at an “L”
level for 16 cycles or more of XIN. Then the RESET pin is
returned to an “H” level (the power source voltage should be
between 1.8 V and 5.5 V, and the oscillation should be stable),
reset is released. After the reset is completed, the program starts
from the address contained in address FFFD16 (high-order byte)
and address FFFC16 (low-order byte). Make sure that the reset
input voltage is less than 0.29 V for VCC of 1.8 V.
Fig 61. Reset circuit example
Fig 62. Reset sequence
VCC
RESET
VCC
RESET
Power source voltage
detection circuit
Example at VCC = 5 V
1.8 V
0 V
VCC
RESET
0.29 V or less
RESET
Internal
reset
Data
φ
Address
SYNC
XIN
?
FFFC
FFFD
ADH,L
?
?ADL
ADH
Notes 1: The frequency relation of f(XIN) and f(
φ) is f(XIN) = 8 f(φ).
2: The question marks (?) indicate an undefined state that depends on the previous state.
Reset address from the
vector table.
XIN : 10.5 to 18.5 clock cycles
相关PDF资料
PDF描述
MSP430F2350IYFF 16-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, PBGA49
MK1707D 108 MHz, OTHER CLOCK GENERATOR, PDSO8
MPC8347ZUAGFA 32-BIT, 400 MHz, MICROPROCESSOR, PBGA672
M30302GGPGP 16-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PQFP100
MC3S12HN64J3CAA 16-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP80
相关代理商/技术参数
参数描述
M38049FFFP#U0 制造商:Renesas Electronics Corporation 功能描述:
M38049FFLHP#U0 制造商:Renesas Electronics Corporation 功能描述:
M38049RLSS 功能描述:DEV EMULATOR CHIP RAM 2KB 64SDIP RoHS:否 类别:编程器,开发系统 >> 内电路编程器、仿真器以及调试器 系列:- 产品变化通告:Development Systems Discontinuation 19/Jul/2010 标准包装:1 系列:* 类型:* 适用于相关产品:* 所含物品:*
M3806 功能描述:电缆固定件和配件 LTSCG 625 BLACK RoHS:否 制造商:Heyco 类型:Cable Grips, Liquid Tight 材料:Nylon 颜色:Black 安装方法:Cable 最大光束直径:11.4 mm 抗拉强度:
M3806 BK001 制造商:Alpha Wire Company 功能描述:CBL 8COND 18AWG BLK 1000'