C8051F064EK Silicon Laboratories Inc, C8051F064EK Datasheet - Page 221

• Manufacturer Part Number: C8051F064EK
• Description: KIT EVAL FOR C8051F064
• Manufacturer: Silicon Laboratories Inc
• Type: MCUr

Specifications of C8051F064EK

• Contents: Evaluation Board, Power Supply, USB Cables, Adapter and Documentation
• Processor To Be Evaluated: C8051F06x
• Interface Type: USB
• Silicon Manufacturer: Silicon Labs
• Core Architecture: 8051
• Silicon Core Number: C8051F064
• Silicon Family Name: C8051F06x
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: C8051F064
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1219

Bits7-5:
Bits 4-0: Reserved. Write to ‘11111’.
Bits7-5:
Bits 4-0: Reserved. Write to ‘00000’.
P4.7
R/W
R/W
Bit7
Bit7
P4.[7:5]: Port4 Output Latch Bits.
Write - Output appears on I/O pins.
0: Logic Low Output.
1: Logic High Output (open, if corresponding P4MDOUT.n bit = 0). See Figure 18.20.
Read - Returns states of I/O pins.
0: P4.n pin is logic low.
1: P4.n pin is logic high.
Note: P4.7 (/WR), P4.6 (/RD), and P4.5 (ALE) can be driven by the External Data Memory
Interface. See
page 187
P4MDOUT.[7:5]: Port4 Output Mode Bits.
0: Port Pin output mode is configured as Open-Drain.
1: Port Pin output mode is configured as Push-Pull.
P4.6
R/W
R/W
Bit6
Bit6
for more information.
Figure 18.20. P4MDOUT: Port4 Output Mode Register
Section “17. External Data Memory Interface and On-Chip XRAM” on
P4.5
R/W
R/W
Bit5
Bit5
Figure 18.19. P4: Port4 Data Register
R/W
R/W
Bit4
Bit4
-
-
Rev. 1.2
R/W
R/W
Bit3
Bit3
-
-
C8051F060/1/2/3/4/5/6/7
R/W
R/W
Bit2
Bit2
-
-
R/W
R/W
Bit1
Bit1
-
-
SFR Address:
SFR Address:
SFR Page:
SFR Page:
R/W
R/W
Bit0
Bit0
-
-
0x9C
F
0xC8
F
Addressable
Reset Value
Reset Value
00000000
11111111
Bit
221