C8051F045R Silicon Labs, C8051F045R Datasheet - Page 294
![no-image](/images/no-image-200.jpg)
C8051F045R
Manufacturer Part Number
C8051F045R
Description
8-bit Microcontrollers - MCU 25 MIPS 64KB 10ADC
Manufacturer
Silicon Labs
Datasheet
1.C8051F044R.pdf
(328 pages)
Specifications of C8051F045R
Product Category
8-bit Microcontrollers - MCU
Core
8051
Data Bus Width
8 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
64 KB
Data Ram Size
4.25 KB
On-chip Adc
Yes
Operating Supply Voltage
2.7 V to 3.6 V
Package / Case
TQFP-64
Mounting Style
SMD/SMT
A/d Bit Size
10 bit
A/d Channels Available
13
Data Rom Size
64 KB
Interface Type
CAN, SMBus, SPI, UART
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
32
Number Of Timers
16 bit
Processor Series
C8051
Program Memory Type
Flash
Factory Pack Quantity
500
Supply Voltage - Max
3.6 V
Supply Voltage - Min
2.7 V
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C8051F040/1/2/3/4/5/6/7
292
Bit7:
Bit6:
Bits5-4:
Bit3:
Bit2:
Bits1-0:
GATE1
R/W
Bit7
GATE1: Timer 1 Gate Control.
0: Timer 1 enabled when TR1 = 1 irrespective of /INT1 logic level.
1: Timer 1 enabled only when TR1 = 1 AND /INT1 = logic 1.
C/T1: Counter/Timer 1 Select.
0: Timer Function: Timer 1 incremented by clock defined by T1M bit (CKCON.4).
1: Counter Function: Timer 1 incremented by high-to-low transitions on external input pin
(T1).
T1M1-T1M0: Timer 1 Mode Select.
These bits select the Timer 1 operation mode.
GATE0: Timer 0 Gate Control.
0: Timer 0 enabled when TR0 = 1 irrespective of /INT0 logic level.
1: Timer 0 enabled only when TR0 = 1 AND /INT0 = logic 1.
C/T0: Counter/Timer Select.
0: Timer Function: Timer 0 incremented by clock defined by T0M bit (CKCON.3).
1: Counter Function: Timer 0 incremented by high-to-low transitions on external input pin
(T0).
T0M1-T0M0: Timer 0 Mode Select.
These bits select the Timer 0 operation mode.
T1M1
T0M1
C/T1
0
0
1
1
0
0
1
1
R/W
Bit6
T1M0
T0M0
0
1
0
1
0
1
0
1
SFR Definition 23.2. TMOD: Timer Mode
T1M1
R/W
Bit5
Mode 2: 8-bit counter/timer with auto-reload
Mode 2: 8-bit counter/timer with auto-reload
T1M0
R/W
Bit4
Mode 3: Two 8-bit counter/timers
Mode 0: 13-bit counter/timer
Mode 1: 16-bit counter/timer
Mode 0: 13-bit counter/timer
Mode 1: 16-bit counter/timer
Mode 3: Timer 1 inactive
Rev. 1.5
GATE0
R/W
Bit3
Mode
Mode
C/T0
R/W
Bit2
T0M1
R/W
Bit1
SFR Address:
T0M0
SFR Page:
R/W
Bit0
0x89
0
00000000
Reset Value
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