C8051F920-GQ Silicon Laboratories Inc, C8051F920-GQ Datasheet - Page 122

• Manufacturer Part Number: C8051F920-GQ
• Description: IC 8051 MCU 32K FLASH 32-LQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F9xxr

Specifications of C8051F920-GQ

• Program Memory Type: FLASH
• Program Memory Size: 32KB (32K x 8)
• Package / Case: 32-LQFP
• 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: 24
• Ram Size: 4.25K x 8
• Voltage - Supply (vcc/vdd): 0.9 V ~ 3.6 V
• Data Converters: A/D 23x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: C8051F9x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 4.25 KB
• Interface Type: UART, SPI, SMBus
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 24
• 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: C8051F930DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 23-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 336-1473 - KIT DEV C8051F920,F921,F930,F931
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1469

C8051F93x-C8051F92x
10.8. EMIF Timing Diagrams
10.8.1. Multiplexed 16-bit MOVX: EMI0CF[3:2] = 01, 10, or 11
122
ADDR[11:8]
ADDR[11:8]
AD[7:0]
AD[7:0]
ALE
/WR
ALE
/WR
/RD
/RD
Note: See the Port Input/Output chapter to determine which port pins are mapped to the
ADDR[11:8], AD[7:0], ALE, /RD, and /WR signals.
EMIF ADDRESS (8 LSBs) from
EMIF ADDRESS (8 LSBs) from
T
T
ALEH
ALEH
Figure 10.4. Multiplexed 16-bit MOVX Timing
DPL
DPL
T
T
ALEL
ALEL
EMIF ADDRESS (4 MSBs) from DPH
EMIF ADDRESS (4 MSBs) from DPH
Muxed 16-bit WRITE
Muxed 16-bit READ
Rev. 1.1
T
T
ACS
ACS
T
WDS
EMIF WRITE DATA
T
T
ACW
ACW
EMIF READ DATA
T
RDS
T
RDH
T
T
T
WDH
ACH
ACH
ADDR[11:8]
ADDR[11:8]
AD[7:0]
AD[7:0]
ALE
/WR
ALE
/WR
/RD
/RD