C8051T617-GM Silicon Laboratories Inc, C8051T617-GM Datasheet - Page 75

• Manufacturer Part Number: C8051T617-GM
• Description: IC 8051 MCU 16K BYTE-PROG 24-QFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051T61xr

Specifications of C8051T617-GM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 21
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: OTP
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 24-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Other names: 336-1438-5

SFR Definition 13.3. SP: Stack Pointer
SFR Address = 0x81
SFR Definition 13.4. ACC: Accumulator
SFR Address = 0xE0; Bit-Addressable
SFR Definition 13.5. B: B Register
SFR Address = 0xF0; 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 1.0
4
0
4
0
4
0
ACC[7:0]
SP[7:0]
B[7:0]
R/W
R/W
R/W
C8051T610/1/2/3/4/5/6/7
Function
Function
Function
3
0
3
0
3
0
2
1
2
0
2
0
1
1
1
0
1
0
0
1
0
0
0
0
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