C8051T622-GMR Silicon Labs, C8051T622-GMR Datasheet - Page 178

• Manufacturer Part Number: C8051T622-GMR
• Description: 8-bit Microcontrollers - MCU USB-OTP-16K-QFN24
• Manufacturer: Silicon Labs

Specifications of C8051T622-GMR

• Rohs: yes
• Core: 8051
• Data Bus Width: 8 bit
• Processor Series: C8051

C8051T622/3 and C8051T326/7
178
Notes:
Notes:
1. SCA1
2. X = Don’t care.
1. SCA1
2. X = Don’t care.
Baud Rate
Baud Rate
230400
115200
230400
115200
230400
115200
Target
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 20.1. Timer Settings for Standard Baud Rates
Table 20.2. 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
Oscillator
Oscillator
Factor
Divide
Factor
10176
20448
Divide
18432
1704
2544
1536
2304
9216
1536
2304
106
212
426
848
192
384
192
384
768
768
96
96
Frequency: 22.1184 MHz
Frequency: 24.5 MHz
Rev. 1.1
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 23.1
Section 23.1
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
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
0xC0
0xD0
0xA0
0xE0
0xA0
0xA0
0xFA
0xF4
0xE8
0xA0
0xCB
0x40
0x40
0x70
0x2B
0xB9
0x2B
0x96
0x96
0x96
0x96