參數(shù)資料
型號(hào)： CYRF69213
廠商： Cypress Semiconductor Corp.
英文描述： Programmable Radio on Chip Low Power
中文描述： 可編程片上無線電低功耗
文件頁(yè)數(shù)： 32/85頁(yè)
文件大小： 731K
代理商： CYRF69213
CYRF69213
Document #: 001-07552 Rev. *B
Page 32 of 85
Low-Voltage Detect Control
POR Compare State
Table 40.Low-voltage Control Register (LVDCR) [0x1E3] [R/W]
Bit #
Field
Read/Write
Default
This register controls the configuration of the Power-on Reset/Low-voltage Detection block
Bits 7:6
Reserved
Bits 5:4
PORLEV[1:0]
This field controls the level below which the precision power-on-reset (PPOR) detector generates a reset
0 0 = 2.7V Range (trip near 2.6V)
0 1 = 3V Range (trip near 2.9V)
1 0 = 5V Range, >4.75V (trip near 4.65V)
1 1 = PPOR will not generate a reset, but values read from the Voltage Monitor Comparators Register (
Table 41
) give the inter-
nal PPOR comparator state with trip point set to the 3V range setting
Bit 3
Reserved
Bits 2:0
VM[2:0]
This field controls the level below which the low-voltage-detect trips—possibly generating an interrupt and the level at which the
Flash is enabled for operation.
7
6
5
4
3
2
1
0
Reserved
PORLEV[1:0]
R/W
0
Reserved
–
0
VM[2:0]
R/W
0
–
0
–
0
R/W
0
R/W
0
R/W
0
VM[2:0]
LVD Trip Point (V)
Typical
Min.
Max.
000
2.681
2.70
2.735
001
2.892
2.92
2.950
010
2.991
3.02
3.053
011
3.102
3.13
3.164
100
4.439
4.48
4.528
101
4.597
4.64
4.689
110
4.680
4.73
4.774
111
4.766
4.82
4.862
Table 41.Voltage Monitor Comparators Register (VLTCMP) [0x1E4] [R]
Bit #
Field
Read/Write
Default
This read-only register allows reading the current state of the Low-voltage-Detection and Precision-Power-On-Reset comparators
Bits 7:2
Reserved
Bit 1
LVD
This bit is set to indicate that the low-voltage-detect comparator has tripped, indicating that the supply voltage has gone below
the trip point set by VM[2:0] (See
Table 40
)
0 = No low-voltage-detect event
1 = A low-voltage-detect has tripped
Bit 0
PPOR
This bit is set to indicate that the precision-power-on-reset comparator has tripped, indicating that the supply voltage is below the
trip point set by PORLEV[1:0]
0 = No precision-power-on-reset event
1 = A precision-power-on-reset event has tripped
7
6
5
4
3
2
1
0
Reserved
LVD
R
0
PPOR
R
0
–
0
–
0
–
0
–
0
–
0
–
0
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參數(shù)描述
CYRF69213_08 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Programmable Radio on Chip Low Power
CYRF69213_13 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Programmable Radio on Chip Low Power
CYRF69213-40LFXC 功能描述:射頻接收器 PRoC LP COM RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel
CYRF69213-40LTXC 功能描述:8位微控制器 -MCU Programmable Radio on Chip Low Power RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
CYRF69213A-40LFXC 功能描述:8位微控制器 -MCU Programmable Radio on Chip Low Power RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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