C8051F902-GU Silicon Laboratories Inc, C8051F902-GU Datasheet - Page 213

• Manufacturer Part Number: C8051F902-GU
• Description: IC MCU 8BIT 8KB FLASH 24QSOP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F9xxr

Specifications of C8051F902-GU

• Program Memory Type: FLASH
• Program Memory Size: 8KB (8K x 8)
• Package / Case: 24-QSOP
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 16
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 0.9 V ~ 3.6 V
• Data Converters: A/D 15x10/12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: C8051F9x
• Core: 8051
• Data Ram Size: 768 B
• Interface Type: UART
• Maximum Clock Frequency: 25 MHz
• Number Of Timers: 4
• Operating Supply Voltage: 0.9 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F912DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit
• Package: 24QSOP
• Device Core: 8051
• Family Name: C8051F90x
• Maximum Speed: 25 MHz
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1849-5

SFR Definition 21.2. XBR1: Port I/O Crossbar Register 1
SFR Page = 0x0; SFR Address = 0xE2
Note: SPI1 can be assigned either 3 or 4 Port I/O pins.
Name
Reset
Type
2:0
Bit
Bit
7
6
5
4
3
PCA0ME PCA0 Module I/O Enable.
Unused
SPI1E
Name
ECIE
R/W
T1E
T0E
7
0
Unused.
Read = 0b; Write = Don’t Care.
SPI1 I/O Enable.
0: SPI0 I/O unavailable at Port pin.
1: SCK (for SPI1) routed to P1.0.
Timer1 Input Enable.
0: T1 input unavailable at Port pin.
1: T1 input routed to Port pin.
Timer0 Input Enable.
0: T0 input unavailable at Port pin.
1: T0 input routed to Port pin.
PCA0 External Counter Input (ECI) Enable.
0: PCA0 external counter input unavailable at Port pin.
1: PCA0 external counter input routed to Port pin.
000: All PCA0 I/O unavailable at Port pin.
001: CEX0 routed to Port pin.
010: CEX0, CEX1 routed to Port pins.
011: CEX0, CEX1, CEX2 routed to Port pins.
100: CEX0, CEX1, CEX2 CEX3 routed to Port pins.
101: CEX0, CEX1, CEX2, CEX3, CEX4 routed to Port pins.
110: CEX0, CEX1, CEX2, CEX3, CEX4, CEX5 routed to Port pins.
111: Reserved.
SPI1E
MISO (for SPI1) routed to P1.1.
MOSI (for SPI1) routed to P1.2.
NSS (for SPI1) routed to P1.3 only if SPI1 is configured to 4-wire mode.
R/W
6
0
R/W
T1E
5
0
T0E
R/W
Rev. 1.0
4
0
C8051F91x-C8051F90x
Function
ECIE
R/W
3
0
R/W
2
0
PCA0ME[2:0]
R/W
1
0
R/W
0
0
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