C8051F021 Silicon Laboratories Inc, C8051F021 Datasheet - Page 169

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C8051F021

Manufacturer Part Number
C8051F021
Description
IC 8051 MCU 64K FLASH 64TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F02xr
Datasheets

Specifications of C8051F021

Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
32
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
4.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x8b, 8x12b; D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-

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0
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TX0
RX0
SCK
MISO
MOSI
NSS
SDA
SCL
TX1
RX1
CEX0
CEX1
CEX2
CEX3
CEX4
ECI
CP0
CP1
T0
/INT0
T1
/INT1
T2
T2EX
T4
T4EX
/SYSCLK
CNVSTR
PIN I/O 0
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1
2
3
P0
(EMIFLE = 1; EMIF in Multiplexed Mode; P1MDIN = 0xE3;
4
5
6
7
XBR0 = 0x05; XBR1 = 0x14; XBR2 = 0x46)
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0
AIN1 Inputs/Non-muxed Addr H Muxed Addr H/Non-muxed Addr L
1
2
Figure 17.6. Crossbar Example:
3
P1
4
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5
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6
7
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0
1
Rev. 1.4
2
3
P2
4
5
6
7
0
Muxed Data/Non-muxed Data
1
C8051F020/1/2/3
2
3
P3
4
5
6
7
Crossbar Register Bits
UART0EN:
UART1EN:
SMB0EN:
PCA0ME:
SYSCKE: XBR1.7
CNVSTE: XBR2.0
SPI0EN:
T2EXE: XBR1.6
T4EXE: XBR2.4
ECI0E: XBR0.6
INT0E: XBR1.2
INT1E: XBR1.4
CP0E: XBR0.7
CP1E: XBR1.0
T0E: XBR1.1
T1E: XBR1.3
T2E: XBR1.5
T4E: XBR2.3
XBR0.2
XBR0.1
XBR0.0
XBR2.2
XBR0.[5:3]
169

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