C8051F045R Silicon Labs, C8051F045R Datasheet - Page 184
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C8051F045R
Manufacturer Part Number
C8051F045R
Description
8-bit Microcontrollers - MCU 25 MIPS 64KB 10ADC
Manufacturer
Silicon Labs
Datasheet
1.C8051F044R.pdf
(328 pages)
Specifications of C8051F045R
Product Category
8-bit Microcontrollers - MCU
Core
8051
Data Bus Width
8 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
64 KB
Data Ram Size
4.25 KB
On-chip Adc
Yes
Operating Supply Voltage
2.7 V to 3.6 V
Package / Case
TQFP-64
Mounting Style
SMD/SMT
A/d Bit Size
10 bit
A/d Channels Available
13
Data Rom Size
64 KB
Interface Type
CAN, SMBus, SPI, UART
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
32
Number Of Timers
16 bit
Processor Series
C8051
Program Memory Type
Flash
Factory Pack Quantity
500
Supply Voltage - Max
3.6 V
Supply Voltage - Min
2.7 V
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C8051F040/1/2/3/4/5/6/7
184
Bits 7-0: FLACL: Flash Access Limit.
Bit7:
Bit6:
Bits5-1:
Bit0:
FOSE
R/W
R/W
Bit7
Bit7
This register holds the high byte of the 16-bit program memory read/write/erase limit
address. The entire 16-bit access limit address value is calculated as 0xNN00 where NN is
replaced by contents of FLACL. A write to this register sets the Flash Access Limit. This reg-
ister can only be written once after any reset. Any subsequent writes are ignored until the
next reset.
FOSE: Flash One-Shot Timer Enable
This is the timer that turns off the sense amps after a Flash read.
0: Flash One-Shot Timer disabled.
1: Flash One-Shot Timer enabled (recommended setting).
FRAE: Flash Read Always Enable
0: Flash reads occur as necessary (recommended setting).
1: Flash reads occur every system clock cycle.
RESERVED. Read = 00000b. Must Write 00000b.
FLWE: Flash Write/Erase Enable
This bit must be set to allow Flash writes/erases from user software.
0: Flash writes/erases disabled.
1: Flash writes/erases enabled.
FRAE
R/W
Bit6
R/W
Bit6
SFR Definition 15.2. FLSCL: Flash Memory Control
SFR Definition 15.1. FLACL: Flash Access Limit
Reserved Reserved Reserved Reserved Reserved
R/W
Bit5
R/W
Bit5
R/W
Bit4
R/W
Bit4
Rev. 1.5
R/W
Bit3
R/W
Bit3
R/W
Bit2
R/W
Bit2
R/W
Bit1
R/W
Bit1
SFR Address:
SFR Address:
SFR Page:
SFR Page:
FLWE
R/W
Bit0
R/W
Bit0
0xB7
F
SFR Address:
00000000
SFR Address:
0xB7
0
Reset Value
10000000
Reset Value
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