C8051F587-IMR Silicon Labs, C8051F587-IMR Datasheet - Page 90
C8051F587-IMR
Manufacturer Part Number
C8051F587-IMR
Description
8-bit Microcontrollers - MCU 50 MIPS 96 kB 8 kB SPI 2xUART
Manufacturer
Silicon Labs
Datasheet
1.C8051F585-IQR.pdf
(356 pages)
Specifications of C8051F587-IMR
Rohs
yes
Core
8051
Data Bus Width
8 bit
Processor Series
C8051
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C8051F58x/F59x
If the internal voltage regulator is not used, the V
Figure 10.2.
SFR Definition 10.1. REG0CN: Regulator Control
SFR Address = 0xC9; SFR Page = 0x00
90
Name
Reset
3:1
Bit
Type
7
6
5
4
0
Bit
DROPOUT
Reserved
REG0MD
REGDIS
REGDIS
Unused
Unused
Name
R/W
7
0
Figure 10.2. External Capacitors for Voltage Regulator
Reserved
Voltage Regulator Disable Bit.
0: Voltage Regulator Enabled
1: Voltage Regulator Disabled
Read = 1b; Must Write 1b.
Read = 0b; Write = Don’t Care.
Voltage Regulator Mode Select Bit.
0: Voltage Regulator Output is 2.1V.
1: Voltage Regulator Output is 2.6V.
Read = 000b. Write = Don’t Care.
Voltage Regulator Dropout Indicator.
0: Voltage Regulator is not in dropout
1: Voltage Regulator is in or near dropout.
R/W
6
1
V
DD
Input/Output—Regulator Disabled
4.7 µF
R
5
0
REG0MD
R/W
Rev. 1.2
4
1
REGIN
.1 µF
Function
input should be tied to V
R
3
0
V
V
REGIN
DD
R
2
0
R
1
0
DD
, as shown in
DROPOUT
R
0
0
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