C8051T601-GMR Silicon Laboratories Inc, C8051T601-GMR Datasheet - Page 104

• Manufacturer Part Number: C8051T601-GMR
• Description: MCU 8-Bit C8051T60x 8051 CISC 8KB EPROM 1.8V/3V 14-Pin QFN EP T/R
• Manufacturer: Silicon Laboratories Inc

Specifications of C8051T601-GMR

• Package: 14QFN EP
• Device Core: 8051
• Family Name: C8051T60x
• Maximum Speed: 25 MHz
• Ram Size: 256 Byte
• Program Memory Size: 8 KB
• Operating Supply Voltage: 1.8|3 V
• Data Bus Width: 8 Bit
• Program Memory Type: EPROM
• Number Of Programmable I/os: 8
• Interface Type: I2C/SMBus/UART
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 3

C8051T600/1/2/3/4/5/6
SFR Definition 21.3. OSCXCN: External Oscillator Control
SFR Address = 0xB1
104
Name
Reset
6:4
2:0
Bit
Type
7
3
Bit
XOSCMD[2:0] External Oscillator Mode Select.
XFCN[2:0]
Unused
Unused
Name
R
7
0
Read = 0b; Write = Don’t Care
00x: External Oscillator circuit off.
010: External CMOS Clock Mode.
011: External CMOS Clock Mode with divide by 2 stage.
100: RC Oscillator Mode with divide by 2 stage.
101: Capacitor Oscillator Mode with divide by 2 stage.
11x: Reserved.
Read = 0b; Write = Don’t Care
External Oscillator Frequency Control Bits.
Set according to the desired frequency range for RC mode.
Set according to the desired K Factor for C mode.
XFCN
000
001
010
011
100
101
110
111
6
0
XOSCMD[2:0]
RC Mode
f 25 kHz
25 kHz f 50 kHz
50 kHz f 100 kHz
100 kHz f 200 kHz
200 kHz f 400 kHz
400 kHz f 800 kHz
800 kHz f 1.6 MHz
1.6 MHz f 3.2 MHz
R/W
5
0
Rev. 1.2
4
0
Function
R
3
0
C Mode
K Factor = 0.87
K Factor = 2.6
K Factor = 7.7
K Factor = 22
K Factor = 65
K Factor = 180
K Factor = 664
K Factor = 1590
2
0
XFCN[2:0]
R/W
1
0
0
0