C8051F236-GQ Silicon Laboratories Inc, C8051F236-GQ Datasheet - Page 17

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

Specifications of C8051F236-GQ

• Program Memory Type: FLASH
• Program Memory Size: 8KB (8K x 8)
• Package / Case: 48-TQFP, 48-VQFP
• 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
• 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
• Processor Series: C8051F2x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 1.25 KB
• Interface Type: SPI/UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• 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: C8051F226DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit, 32 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1244

1.2.
The CIP-51 has a standard 8051 program and data address configuration. It includes 256 bytes of data
RAM, with the upper 128 bytes dual-mapped. An optional 1024 bytes of XRAM is available on the 'F206,
'F226 and 'F236. Indirect addressing accesses the upper 128 bytes of general purpose RAM, and direct
addressing accesses the 128-byte SFR address space. The lower 128 bytes of RAM are accessible via
direct or indirect addressing. The first 32 bytes are addressable as four banks of general purpose regis-
ters, and the next 16 bytes can be byte addressable or bit addressable.
The MCU's program memory consists of 8 k + 128 bytes of Flash. This memory may be reprogrammed in-
system in 512 byte sectors, and requires no special off-chip programming voltage. The 512 bytes from
addresses 0x1E00 to 0x1FFF are reserved for factory use. There is also a user programmable 128-byte
sector at address 0x2000 to 0x207F, which may be useful as a table for storing software constants, nonvol-
atile configuration information, or as additional program space. See Figure 1.7 for the MCU system mem-
ory map.
CP0+
CP0-
On-Board Memory
System
Clock
Figure 1.6. Comparison of Peak MCU Throughputs
Comparator 0
+
-
Detector
Missing
Clock
EN
C0RSEF
EN
WDT
PRE
Rev. 1.6
VDD
CIP-51
Core
(Software Reset)
SWRSF
MonEn
Supply
Monitor
+
-
System Reset
Timeout
Supply
Reset
(wired-OR)
C8051F2xx
Reset
Funnel
/RST
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