C8051F705-GM Silicon Laboratories Inc, C8051F705-GM Datasheet - Page 261

• Manufacturer Part Number: C8051F705-GM
• Description: IC 8051 MCU 15K FLASH 48-QFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F70xr

Specifications of C8051F705-GM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Cap Sense, POR, PWM, WDT
• Number Of I /o: 39
• Program Memory Size: 15KB (15K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 32 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-QFN
• Processor Series: C8051F7x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: I2C, SMBus, SPI, UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 39
• Number Of Timers: 4
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F700DK
• Minimum Operating Temperature: - 40 C
• Height: 0.95 mm
• Length: 7 mm
• Supply Voltage (max): 1.9 V, 3.6 V
• Supply Voltage (min): 1.7 V, 1.8 V
• Width: 7 mm
• For Use With: 336-1635 - DEV KIT FOR C8051F700
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Lead Free Status / Rohs Status: Details
• Other names: 336-1612-5

Notes:
Notes:
1. SCA1
2. X = Don’t care.
1. SCA1
2. X = Don’t care.
Baud Rate
Baud Rate
230400
115200
230400
230400
Target
115200
115200
57600
28800
14400
Target
57600
28800
14400
57600
28800
14400
(bps)
9600
2400
1200
–
(bps)
9600
2400
1200
9600
–
SCA0 and T1M bit definitions can be found in
SCA0 and T1M bit definitions can be found in
Table 32.1. Timer Settings for Standard Baud Rates
Table 32.2. Timer Settings for Standard Baud Rates
–0.32%
–0.32%
–0.32%
–0.32%
–0.32%
Rate%
0.15%
0.15%
0.15%
Rate%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
Baud
Error
Baud
Error
Using an External 22.1184 MHz Oscillator
Using The Internal 24.5 MHz Oscillator
Oscillator
Oscillator
Factor
Divide
10176
20448
Factor
Divide
18432
1704
2544
1536
2304
9216
1536
2304
106
212
426
848
192
384
768
192
384
768
96
96
Frequency: 22.1184 MHz
Frequency: 24.5 MHz
Rev. 1.0
SYSCLK / 12
SYSCLK / 12
SYSCLK / 12
SYSCLK / 48
SYSCLK / 48
Timer Clock
Timer Clock
SYSCLK/12
SYSCLK/12
SYSCLK/48
SYSCLK/48
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
SYSCLK/4
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
Source
Source
Section 33.1
Section 33.1
SCA1–SCA0
SCA1–SCA0
.
.
(pre-scale
(pre-scale
select)
select)
XX
XX
XX
XX
00
00
00
10
10
XX
XX
11
11
11
11
11
11
01
00
00
10
10
C8051F70x/71x
2
2
1
1
T1M
T1M
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
1
1
Value (hex)
Value (hex)
Timer 1
Reload
Timer 1
Reload
0xD0
0xA0
0xC0
0xA0
0xA0
0xFA
0xE8
0xD0
0xA0
0x40
0xE0
0x40
0xF4
0x70
0xCB
0x2B
0xB9
0x2B
0x96
0x96
0x96
0x96
261