C8051F706-GQ Silicon Laboratories Inc, C8051F706-GQ Datasheet - Page 112
![IC 8051 MCU 16K FLASH 48-TQFP](/photos/12/17/121753/c8051f706-gq_sml.jpg)
C8051F706-GQ
Manufacturer Part Number
C8051F706-GQ
Description
IC 8051 MCU 16K FLASH 48-TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F70xr
Specifications of C8051F706-GQ
Program Memory Type
FLASH
Program Memory Size
16KB (16K x 8)
Package / Case
48-TQFP, 48-VQFP
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Cap Sense, POR, PWM, Temp Sensor, WDT
Number Of I /o
39
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
C8051F7x
Core
8051
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
39
Number Of Timers
4 x 16 bit
Operating Supply Voltage
1.8 V to 3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F700DK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 16 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
336-1635 - DEV KIT FOR C8051F700
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1636
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F706-GQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Company:
Part Number:
C8051F706-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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C8051F70x/71x
18.2. Configuring the External Memory Interface
Configuring the External Memory Interface consists of five steps:
1. Configure the Output Modes of the associated port pins as either push-pull or open-drain (push-pull is
2. Configure Port latches to “park” the EMIF pins in a dormant state (usually by setting them to logic 1).
3. Select Multiplexed mode or Non-multiplexed mode.
4. Select the memory mode (on-chip only, split mode without bank select, split mode with bank select, or
5. Set up timing to interface with off-chip memory or peripherals.
Each of these five steps is explained in detail in the following sections. The Port selection, Multiplexed
mode selection, and Mode bits are located in the EMI0CF register shown in SFR Definition .
18.3. Port Configuration
The EMIF pinout is shown in Figure 18.2 on Page 127
The External Memory Interface claims the associated Port pins for memory operations ONLY during the
execution of an off-chip MOVX instruction. Once the MOVX instruction has completed, control of the Port
pins reverts to the Port latches for those pins. See Section “28. Port Input/Output” on page 180 for more
information about Port operation and configuration. The Port latches should be explicitly configured to
“park” the External Memory Interface pins in a dormant state, most commonly by setting them to a
logic 1.
During the execution of the MOVX instruction, the External Memory Interface will explicitly disable the driv-
ers on all Port pins that are acting as Inputs (Data[7:0] during a READ operation, for example). The Output
mode of the Port pins (whether the pin is configured as Open-Drain or Push-Pull) is unaffected by the
External Memory Interface operation, and remains controlled by the PnMDOUT registers. In most cases,
the output modes of all EMIF pins should be configured for push-pull mode.
112
most common).
off-chip only).
Rev. 1.0
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