C8051F236 Silicon Laboratories Inc, C8051F236 Datasheet - Page 130

• Manufacturer Part Number: C8051F236
• Description: IC 8051 MCU 8K FLASH 48TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F2xxr

Specifications of C8051F236

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 32
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-TQFP, 48-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

C8051F2xx
130
Bit7:
Bit6:
Bits5–4: T1M1–T1M0: Timer 1 Mode Select. 
Bit3:
Bit2:
Bits1–0: T0M1–T0M0: Timer 0 Mode Select. 
GATE1
R/W
Bit7
T1M1
T0M1
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 level one.
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
P0.5/T1.
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 level one. 
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
P0.4/T0.
These bits select the Timer 0 operation mode.
0
0
1
1
0
0
1
1
C/T1
R/W
Bit6
T1M0
T0M0
0
1
0
1
0
1
0
1
T1M1
SFR Definition 17.2. TMOD: Timer Mode
R/W
Bit5
Mode 0: 13-bit counter/timer
Mode 1: 16-bit counter/timer
Mode 2: 8-bit counter/timer with auto-reload
Mode 3: Timer 1 Inactive/stopped
Mode 0: 13-bit counter/timer
Mode 1: 16-bit counter/timer
Mode 2: 8-bit counter/timer with auto-reload
Mode 3: Two 8-bit counter/timers
T1M0
R/W
Bit4
Mode
Mode
GATE0
Rev. 1.6
R/W
Bit3
C/T0
R/W
Bit2
T0M1
R/W
Bit1
T0M0
R/W
Bit0
SFR Address:
Reset Value
00000000
0x89