C8051F236 Silicon Laboratories Inc, C8051F236 Datasheet - Page 13

• 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: -

XTAL1
XTAL2
/RST
VDD
GND
TCK
TMS
TDI
TDO
Digital Power
Oscillator
Oscillator
Monitor,
External
Internal
Circuit
JTAG
Logic
WDT
VDD
Emulation HW
Figure 1.2. C8051F221 Block Diagram (32 LQFP)
System Clock
Reset
C
o
8
0
5
1
e
r
SFR Bus
256 byte
Clock & Reset
FLASH
8kbyte
SRAM
Configuration
Rev. 1.6
Config. &
Control
ADC
CP0
CP1
Comparator
Port Mux
Port I/O Mode
Timer 0
Timer 1
Timer 2
Control
Port 0
UART
Port 1
Port 2
Port 3
Latch
Latch
Latch
Latch
Config.
& Config.
SPI
CP0
CP1
VDD
SAR
ADC
CP0+
CP0-
CP1+
CP1-
VREF
VREF
M
M
M
P
0
U
X
P
1
U
X
P
2
U
X
A
M
U
X
C8051F2xx
AIN0-AIN21
P
D
P
D
P
D
0
v
1
v
2
v
r
r
r
VREF
P0.0/TX
P0.1/RX
P0.2//INT0
P0.3//INT1
P0.4/T0
P0.5/T1
P0.6/T2
P0.7/T2EX
P1.0/CP0+
P1.1/CP0-
P1.2/CP0
P1.3/CP1+
P1.4/CP1-
P1.5/CP1
P1.6/SYSCLK
P1.7
P2.0/SCK
P2.1/MISO
P2.2/MOSI
P2.3/NSS
P2.4
P2.5
13