C8051F346-GM Silicon Laboratories Inc, C8051F346-GM Datasheet - Page 212

• Manufacturer Part Number: C8051F346-GM
• Description: IC 8051 MCU 64K FLASH MEM 32-QFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F34xr

Specifications of C8051F346-GM

• Program Memory Type: FLASH
• Program Memory Size: 64KB (64K x 8)
• Package / Case: 32-QFN
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 25
• Ram Size: 4.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 21x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: C8051F3x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 4352 B
• Interface Type: I2C, SPI, UART
• Number Of Programmable I/os: 25
• Number Of Timers: 4
• Operating Supply Voltage: 2.7 V to 5.25 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: KSK-SL-F34X, KSK-SL-TOOLSTICK, PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F340DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 336-1748 - ADAPTER TOOLSTICK FOR C8051F34X770-1006 - ISP 4PORT FOR SILABS C8051F MCU
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1347-5

C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
212
X = Don’t care
*Note: SCA1-SCA0 and T1M define the Timer Clock Source. Bit definitions for these values can be found in
Table 18.1. Timer Settings for Standard Baud Rates Using the Internal Oscillator
Rate (bps)
Section 21.1
230400
115200
230400
115200
230400
115200
Target
57600
28800
14400
57600
28800
14400
57600
28800
14400
Baud
9600
2400
1200
9600
2400
1200
9600
2400
Rate (bps)
230769
230769
230769
115385
115385
115385
.
Actual
57692
28846
14423
57692
28846
57692
14423
28846
14388
Baud
9615
2404
1202
9615
2404
1202
9615
2404
Rate Error
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.08%
0.16%
0.16%
Baud
Oscillator
Divide
Factor
19968
19968
1248
4992
9984
1664
2496
9984
1664
3336
4992
104
208
416
832
104
208
416
832
208
416
832
52
Rev. 1.3
SYSCLK / 12
SYSCLK / 48
SYSCLK / 12
SYSCLK / 48
SYSCLK / 48
SYSCLK / 12
SYSCLK / 12
SYSCLK / 48
Timer Clock
SYSCLK / 4
SYSCLK / 4
SYSCLK / 4
SYSCLK / 4
SYSCLK / 4
SYSCLK / 4
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
Source
SCA1-SCA0
(pre-scale
select*
XX
XX
XX
XX
XX
XX
XX
XX
XX
01
01
00
10
01
01
00
10
10
01
01
00
00
10
T1M*
1
1
1
1
0
0
0
0
1
1
1
0
0
0
0
0
1
1
0
0
0
0
0
Value (hex)
Timer 1
Reload
0xCC
0xCC
0xE6
0x98
0x30
0x98
0x64
0x30
0x98
0x98
0x30
0x98
0x30
0x98
0x98
0x30
0x98
0x30
0x98
0x30
0x75
0x30
0x30