C8051F317-GMR Silicon Laboratories Inc, C8051F317-GMR Datasheet - Page 172

• Manufacturer Part Number: C8051F317-GMR
• Description: MCU 8-Bit C8051F31x 8051 CISC 16KB Flash 3.3V 24-Pin QFN EP T/R
• Manufacturer: Silicon Laboratories Inc

Specifications of C8051F317-GMR

• Package: 24QFN EP
• Device Core: 8051
• Family Name: C8051F31x
• Maximum Speed: 25 MHz
• Ram Size: 1.25 KB
• Program Memory Size: 16 KB
• Operating Supply Voltage: 3.3 V
• Data Bus Width: 8 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 21
• Interface Type: I2C/SMBus/SPI/UART
• On-chip Adc: 17-chx10-bit
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 4

C8051F310/1/2/3/4/5/6/7
172
Baud Rate
Baud Rate
230400
115200
230400
115200
230400
230400
115200
115200
Target
Target
57600
28800
14400
57600
28800
14400
57600
28800
14400
57600
28800
14400
(bps)
(bps)
9600
2400
1200
9600
9600
2400
1200
9600
Table 15.5. Timer Settings for Standard Baud Rates
Table 15.6. Timer Settings for Standard Baud Rates
*Note: SCA1–SCA0 and T1M bit definitions can be found in
*Note: SCA1–SCA0 and T1M bit definitions can be found in
Baud Rate
% Error
Rate%
Using an External 11.0592 MHz Oscillator
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%
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
Using an External 3.6864 MHz Oscillator
tor Divide
tor Divide
Oscilla-
Oscilla-
Factor
Factor
4608
9216
1152
1152
1536
3072
768
192
384
192
384
768
128
256
384
128
256
384
48
96
48
96
16
32
64
16
32
64
Frequency: 11.0592 MHz
Frequency: 3.6864 MHz
Rev. 1.7
SYSCLK / 12
SYSCLK / 12
SYSCLK / 12
SYSCLK / 48
Timer Clock
SYSCLK / 12
SYSCLK / 12
Timer Clock
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
Source
Source
X = Don’t care
X = Don’t care
SCA1-SCA0
SCA1-SCA0
(pre-scale
(pre-scale
select)*
select)*
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
00
00
00
10
11
11
11
11
11
11
00
00
11
11
11
11
11
11
Section 17.1
Section 17.1
T1M*
T1M*
1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
0
0
Reload Value
.
.
Value (hex)
Timer 1
Timer 1
Reload
(hex)
0xD0
0xFD
0xD0
0xFE
0xFC
0xE8
0xD0
0xA0
0xE0
0xA0
0xFA
0xF4
0xE8
0xB8
0xF8
0xF0
0xE0
0xC0
0xC0
0xFF
0xF8
0xF0
0xE8
0x40
0x40
0x80
0x40
0x80