C8051F902-GM Silicon Laboratories Inc, C8051F902-GM Datasheet - Page 254

• Manufacturer Part Number: C8051F902-GM
• Description: IC MCU 8BIT 8KB FLASH 24QFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F9xxr

Specifications of C8051F902-GM

• Program Memory Type: FLASH
• Program Memory Size: 8KB (8K x 8)
• Package / Case: 24-QFN
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 16
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 0.9 V ~ 3.6 V
• Data Converters: A/D 15x10/12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: C8051F9x
• Core: 8051
• Data Ram Size: 768 B
• Interface Type: UART
• Maximum Clock Frequency: 25 MHz
• Number Of Timers: 4
• Operating Supply Voltage: 0.9 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: C8051F912DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit
• Package: 24QFN EP
• Device Core: 8051
• Family Name: C8051F90x
• Maximum Speed: 25 MHz
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1848-5

C8051F91x-C8051F90x
254
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 Section 25.1.
SCA0 and T1M bit definitions can be found in Section 25.1.
Table 23.1. Timer Settings for Standard Baud Rates
Table 23.2. Timer Settings for Standard Baud Rates
Baud Rate
Baud Rate
% Error
–0.32%
–0.32%
–0.32%
–0.32%
–0.32%
% Error
0.15%
0.15%
0.15%
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%
Using an External 22.1184 MHz Oscillator
Using The Internal 24.5 MHz Oscillator
tor Divide
tor Divide
Oscilla-
Factor
Oscilla-
10176
20448
Factor
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
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
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