C8051T617-GM Silicon Laboratories Inc, C8051T617-GM Datasheet - Page 119

• 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

Pin Number
In this example, the crossbar is configured to assign the UART TX0 and RX0 signals, the
SMBus signals, and the SYSCLK signal. Note that the SMBus signals are assigned as a
pair, and there are no pins skipped using the XBR0 register.
configuration.
1
2
3
4
All unassigned pins can be used as GPIO or for other non-crossbar functions.
st
nd
rd
th
Figure 21.4. Priority Crossbar Decoder Example 1 - No Skipped Pins
TX0 is assigned to P0.4
SYSCLK
SYSCLK is assigned to P0.2
SDA and SCL are assigned to P0.0 and P0.1, respectively.
Function
RX0 is assigned to P0.5
These boxes represent the port pins which are used by the peripherals in this
Pin Skip
Settings
Special
Signals
CP0A
CP1A
CEX0
CEX1
CEX2
CEX3
CEX4
MISO
MOSI
NSS*
SCK
SDA
RX0
SCL
CP0
CP1
Port
TX0
ECI
T0
T1
0 1 2 3 4 5 6 7
0 0 0 0 0 0 0 0
P0SKIP
P0
0 1 2 3 4 5 6 7
0 0 0 0 0 0 0 0
Rev 1.0
C8051T610/1/2/3/4/5/6/7
P1SKIP
P1
0 1 2 3 4 5 6 7
0 0 0 0 x x x x
P2SKIP
P2
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