参数资料
型号: MAC7131MVF40
厂商: Freescale Semiconductor
文件页数: 6/56页
文件大小: 0K
描述: IC MCU 32BIT FLASH 208-MAPBGA
标准包装: 90
系列: MAC7xxx
核心处理器: ARM7
芯体尺寸: 32-位
速度: 40MHz
连通性: CAN,EBI/EMI,I²C,SCI,SPI
外围设备: DMA,POR
输入/输出数: 128
程序存储器容量: 544KB(544K x 8)
程序存储器类型: 闪存
RAM 容量: 32K x 8
电压 - 电源 (Vcc/Vdd): 2.35 V ~ 5.5 V
数据转换器: A/D 32x8/10b
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 208-BGA
包装: 托盘
MAC7100 Microcontroller Family Hardware Specifications, Rev. 1.2
Preliminary
Electrical Characteristics
Freescale Semiconductor
14
3.7.5
Chip Power Up and Voltage Drops
The VREG sub-modules LVI (low voltage interrupt), POR (power on reset) and LVR (low voltage reset)
handle chip power-up or drops of the supply voltage. Refer to Figure 2.
Figure 2. VREG Chip Power-up and Voltage Monitoring
3.7.6
Output Loads
The on-chip voltage regulator is intended to supply the internal logic and oscillator circuits. No external
DC load is allowed. Capacitive loads are specified in Table 18. Capacitors with X7R dielectricum are
required.
Table 18. VREG Recommended Load Capacitances
Rating
Symbol
Min
Typ
Max
Unit
Load Capacitance per VDD2.5 pin
1
NOTES:
1. Refer to Table 38 for the specific number of VDD2.5 pins on various packages. Each VDD2.5 pin should have the
recommended loading as described in Section 3.7.3, “Circuit Board Layout,of the MAC7100 Microcontroller Family
Reference Manual (MAC7100RM).
CLVDD
200
220
12000
nF
Load Capacitance on VDDPLL pin
CLVDDfcPLL
90
220
5000
nF
LVI Disabled
due to LVR
VLVID
VLVRD
LVR
POR
LVI
VPORD
VLVRA
VLVIA
Time
LVI Enabled
VDDA
VDD2.5
Voltage
Note: Not to scale.
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