C8051F005-GQ Silicon Laboratories Inc, C8051F005-GQ Datasheet - Page 139

• Manufacturer Part Number: C8051F005-GQ
• Description: IC 8051 MCU 32K FLASH 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F00xr

Specifications of C8051F005-GQ

• Program Memory Type: FLASH
• Program Memory Size: 32KB (32K x 8)
• Package / Case: 64-TQFP, 64-VQFP
• 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: 32
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x12b, D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: C8051F0x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 2.25 KB
• Interface Type: I2C/SMBus/SPI/UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 4
• Operating Supply Voltage: 2.7 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: C8051F005DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 12-bit
• On-chip Dac: 2-ch x 12-bit
• No. Of I/o's: 32
• Ram Memory Size: 2304Byte
• Cpu Speed: 25MHz
• No. Of Timers: 4
• No. Of Pwm Channels: 5
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 336-1188 - DEV KIT FOR F005/006/007
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1187

Setting the TR0 bit (TCON.4) enables the timer when either GATE0 (TMOD.3) is 0 or the input signal /INT0 is
logic-level one. Setting GATE0 to logic 1 allows the timer to be controlled by the external input signal /INT0,
facilitating pulse width measurements.
Setting TR0 does not reset the timer register. The timer register should be initialized to the desired value before
enabling the timer.
TL1 and TH1 form the 13-bit register for Timer 1 in the same manner as described above for TL0 and TH0. Timer
1 is configured and controlled using the relevant TCON and TMOD bits just as with Timer 0.
19.1.2. Mode 1: 16-bit Counter/Timer
Mode 1 operation is the same as Mode 0, except that the counter/timer registers use all 16 bits. The counter/timers
are enabled and configured in Mode 1 in the same manner as for Mode 0.
139
C8051F000/1/2/5/6/7
C8051F010/1/2/5/6/7
SYSCLK
/INT0
T0
GATE0
TR0
Crossbar
Crossbar
12
TR0
0
1
0
1
1
1
X = Don’t Care
Figure 19.1. T0 Mode 0 Block Diagram
CKCON
M
T
2
0
1
M
T
1
GATE0
M
T
0
X
0
1
1
G
A
T
E
1
Rev. 1.7
C
T
/INT0
1
/
M
T
1
1
TMOD
X
X
0
1
M
T
1
0
TCLK
G
A
T
E
0
C
T
0
/
M
T
0
1
M
T
0
0
(5 bits)
Counter/Timer
TL0
Disabled
Disabled
Enabled
Enabled
(8 bits)
TH0
TR1
TR0
TF1
TF0
IE1
IE0
IT1
IT0
Interrupt