C8051F581-IMR Silicon Labs, C8051F581-IMR Datasheet - Page 354
C8051F581-IMR
Manufacturer Part Number
C8051F581-IMR
Description
8-bit Microcontrollers - MCU 50MIPS 128kB 8kB SPI
Manufacturer
Silicon Labs
Datasheet
1.C8051F585-IQR.pdf
(356 pages)
Specifications of C8051F581-IMR
Rohs
yes
Core
8051
Processor Series
C8051
Data Bus Width
8 bit
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C8051F58x/F59x
D
Revision 0.1 to Revision 1.0
Clarified and corrected text throughout the document.
Revision 1.0 to Revision 1.1
Note: All items from the C8051F58x/59x Errata dated July 1, 2009 are incorporated into this data sheet.
Revision 1.1 to Revision 1.2
354
OCUMENT
Updated all specification TBDs
Updated “Ordering Information” on page 22 to include -A (Automotive) devices and automotive
qualification information.
Updated supply current related specifications throughout “5. Electrical Characteristics” .
Updated SFR Definition 8.1 to change VREF high setting to 2.20 V from 2.25 V.
Updated Table 5.12 on page 53 and Figure 9.1 on Page 77 to indicate that Comparators are powered
from V
Updated the Gain Table in “Calculating the Gain Value” on page 60 to fix the ADC0GNH Value in the
last row.
Updated Table 11.1 on page 94 with correct timing for all branch instructions, MOVC, and CPL A.
Updated “Programming The Flash Memory” on page 138 to clarify behavior of 8-bit MOVX instructions
and when writing/erasing Flash.
Updated SFR Definition 15.3 (FLSCL) to include FLEWT bit definition. This bit must be set before
writing or erasing Flash. Also updated Table 5.5 on page 48 to reflect new Flash Write and Erase
timing.
Updated “17.7. Flash Error Reset” with an additional cause of a Flash Error reset.
Updated “20.1. Port I/O Modes of Operation” to remove note regarding interfacing to voltages above
VIO.
Updated “23. SMBus” to remove all hardware ACK features, including SMB0ADM and SMB0ADR
SFRs.
Updated “24.3.2. Data Reception” to clarify UART receive FIFO behavior.
Updated SFR Definition 24.1 (SCON0) to correct SFR Page to 0x00 from All Pages.
Various formatting changes and corrections throughout the document.
Updated “1. System Overview” with a voltage range specification for the internal oscillator.
Updated Table 5.6, “Internal High-Frequency Oscillator Electrical Characteristics,” on page 49 with new
conditions for the internal oscillator accuracy. The internal oscillator accuracy is dependent on the
operating voltage range.
Updated “5. Electrical Characteristics” to remove the internal oscillator curve across temperature
diagram.
Updated Figure 6.4 with new timing diagram when using CNVSTR pin.
Updated SFR Definition 8.1 (REF0CN) with oscillator suspend requirement for ZTCEN.
Fixed incorrect cross references in “9. Comparators” .
Updated SFR Definition 10.1 (REG0CN) with a new definition for Bit 6. The bit 6 reset value is 1b and
must be written to 1b.
Updated SFR Definition 12.1 (PSBANK) with correct reset value.
Updated “16.3. Suspend Mode” with note regarding ZTCEN.
IO
and not V
C
HANGE
DDA
.
L
IST
Rev. 1.2
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