ADUC845BSZ62-3 Analog Devices Inc, ADUC845BSZ62-3 Datasheet - Page 84

• Manufacturer Part Number: ADUC845BSZ62-3
• Description: IC MCU FLASH 24BIT ADC 52MQFP
• Manufacturer: Analog Devices Inc
• Series: MicroConverter® ADuC8xxr

Specifications of ADUC845BSZ62-3

• Core Size: 8-Bit
• Program Memory Size: 62KB (62K x 8)
• Oscillator Type: Internal
• Core Processor: 8052
• Speed: 12.58MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: POR, PSM, PWM, Temp Sensor, WDT
• Number Of I /o: 34
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 10x24b; D/A 1x12b, 2x16b
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 52-MQFP, 52-PQFP
• Controller Family/series: (8052) ADUC
• No. Of I/o's: 32
• Ram Memory Size: 2304Byte
• Cpu Speed: 12.58MHz
• No. Of Timers: 4
• No. Of: RoHS Compliant
• Package: 52MQFP
• Device Core: 8052
• Family Name: ADuC8xx
• Maximum Speed: 12.85 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 24
• Interface Type: I2C/SPI/UART
• On-chip Adc: 2(10-chx24-bit)
• On-chip Dac: 1-chx12-bit
• Number Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-ADUC845QSZ - KIT DEV FOR ADUC845 QUICK START
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADuC845/ADuC847/ADuC848
T3FD—Timer 3 Fractional Divider Register
See Table 57 for values.
SFR Address:
Power-On Default:
Bit Addressable:
Table 56. T3FD SFR Bit Designations
Bit No.
7
6
5
4
3
2
1
0
Table 57. Common Baud Rates Using Timer 3 with a 12.58 MHz PLL Clock
Ideal Baud
230400
115200
115200
57600
57600
57600
38400
38400
38400
38400
19200
19200
19200
19200
19200
9600
9600
9600
9600
9600
9600
Name
----
----
T3FD.5
T3FD.4
T3FD.3
T3FD.2
T3FD.1
T3FD.0
9DH
00H
No
CD
0
0
1
0
1
2
0
1
2
3
0
1
2
3
4
0
1
2
3
4
5
Description
Not Implemented. Write Don’t Care.
Not Implemented. Write Don’t Care.
Timer 3 Fractional Divider Bit 5.
Timer 3 Fractional Divider Bit 4.
Timer 3 Fractional Divider Bit 3.
Timer 3 Fractional Divider Bit 2.
Timer 3 Fractional Divider Bit 1.
Timer 3 Fractional Divider Bit 0.
DIV
1
2
1
3
2
1
4
3
2
1
5
4
3
2
1
6
5
4
3
2
1
Rev. B | Page 84 of 108
T3CON
81H
82H
81H
83H
82H
81H
84H
83H
82H
81H
85H
84H
83H
82H
81H
86H
85H
84H
83H
82H
81H
T3FD
2DH
2DH
2DH
2DH
2DH
2DH
12H
12H
12H
12H
12H
12H
12H
12H
12H
12H
12H
12H
12H
12H
12H
% Error
0.18
0.18
0.18
0.18
0.18
0.18
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12
0.12