C8051F561-IQ Silicon Laboratories Inc, C8051F561-IQ Datasheet - Page 89

• Manufacturer Part Number: C8051F561-IQ
• Description: IC 8051 MCU 32K FLASH 32-QFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F56xr

Specifications of C8051F561-IQ

• Program Memory Type: FLASH
• Program Memory Size: 32KB (32K x 8)
• Package / Case: 32-QFP
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 50MHz
• Connectivity: SMBus (2-Wire/I²C), CAN, SPI, UART/USART
• Peripherals: POR, PWM, Temp Sensor, WDT
• Number Of I /o: 25
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.25 V
• Data Converters: A/D 25x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Processor Series: C8051F5x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 2304 B
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 25
• Operating Supply Voltage: 1.8 V to 5.25 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F560DK
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 336-1691 - KIT DEVELOPMENT FOR C8051F560
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1696

SFR Definition 10.3. SP: Stack Pointer
SFR Address = 0x81; SFR Page = All Pages
SFR Definition 10.4. ACC: Accumulator
SFR Address = 0xE0; SFR Page = All Pages; Bit-Addressable
SFR Definition 10.5. B: B Register
SFR Address = 0xF0; SFR Page = All Pages; Bit-Addressable
Name
Reset
Name
Reset
Name
Reset
Bit
7:0
Bit
7:0
Bit
7:0
Type
Type
Type
Bit
Bit
Bit
ACC[7:0]
SP[7:0]
Name
Name
Name
B[7:0]
7
0
7
0
7
0
Stack Pointer.
The Stack Pointer holds the location of the top of the stack. The stack pointer is incre-
mented before every PUSH operation. The SP register defaults to 0x07 after reset.
Accumulator.
This register is the accumulator for arithmetic operations.
B Register.
This register serves as a second accumulator for certain arithmetic operations.
6
0
6
0
6
0
5
0
5
0
5
0
Rev. 1.1
4
0
4
0
4
0
ACC[7:0]
SP[7:0]
B[7:0]
R/W
R/W
R/W
Function
Function
Function
3
0
3
0
3
0
C8051F55x/56x/57x
2
1
2
0
2
0
1
1
1
0
1
0
0
1
0
0
0
0
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