ADUC7128BCPZ126 Analog Devices Inc, ADUC7128BCPZ126 Datasheet - Page 50

• Manufacturer Part Number: ADUC7128BCPZ126
• Description: IC DAS MCU ARM7 ADC/DDS 64-LFCSP
• Manufacturer: Analog Devices Inc
• Series: MicroConverter® ADuC7xxxr

Specifications of ADUC7128BCPZ126

• Core Size: 16/32-Bit
• Program Memory Size: 126KB (126K x 8)
• Core Processor: ARM7
• Speed: 41.78MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: PLA, POR, PWM, PSM, Temp Sensor, WDT
• Number Of I /o: 28
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 10x12b; D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 64-LFCSP
• Controller Family/series: (ARM7) ADUC
• No. Of I/o's: 40
• Ram Memory Size: 8KB
• Cpu Speed: 41.78MHz
• No. Of Timers: 5
• No. Of Pwm Channels: 6
• Package: 64LFCSP EP
• Device Core: ARM7TDMI
• Family Name: ADuC7xxx
• Maximum Speed: 41.78 MHz
• Operating Supply Voltage: 3.3 V
• Data Bus Width: 16|32 Bit
• Number Of Programmable I/os: 40
• Interface Type: I2C/SPI/UART
• On-chip Adc: 14-chx12-bit
• Number Of Timers: 5
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-ADUC7128QSPZ - KIT DEV FOR ADUC7128
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

ADuC7128/ADuC7129
Table 58. Operating Modes
Mode
Active
Pause
Nap
Sleep
Stop
Table 59. Typical Current Consumption at 25°C
PC[2:0]
000
001
010
011
100
MMRs and Keys
To prevent accidental programming, a certain sequence must be
followed when writing in the PLLCON and POWCON registers
(see Table 60).
PLLKEYx Register
Name
PLLKEY1
PLLKEY2
PLLCON Register
Name
PLLCON
POWKEYx Register
Name
POWKEY1
POWKEY2
POWCON Register
Name
POWCON
Table 60. PLLCON and POWCON Write Sequence
PLLCON
PLLKEY1 = 0xAA
PLLCON = 0x01
PLLKEY2 = 0x55
Core
On
Mode
Active
Pause
Nap
Sleep
Stop
Address
0xFFFF0410
0xFFFF0418
Address
0xFFFF0414
Address
0xFFFF0408
Address
0xFFFF0404
0xFFFF040C
Peripherals
On
On
CD = 0
33.1
22.7
3.8
0.4
0.4
Default Value
0x0000
0x0000
Default Value
0x21
Default Value
0x0003
Default Value
0x0000
0x0000
POWCON
POWKEY1 = 0x01
POWCON = user value
POWKEY2 = 0xF4
CD = 1
21.2
13.3
3.8
0.4
0.4
PLL
On
On
On
Access
W
W
Access
R/W
Access
R/W
Access
W
W
XTAL/T2/T3
On
On
On
On
CD = 2
13.8
8.5
3.8
0.4
0.4
Rev. 0 | Page 50 of 92
CD = 3
10
6.1
3.8
0.4
0.4
Table 61. PLLCON MMR Bit Designations
Bit
7:6
5
4:2
1:0
Table 62. POWCON MMR Bit Designations
Bit
7
6:4
3
2:0
Value
000
001
010
011
100
Others
000
001
010
011
100
101
110
111
Value
00
01
10
11
XIRQ
On
On
On
On
On
CD = 4
8.1
4.9
3.8
0.4
0.4
Name
PC
RSVD
CD
Name
OSEL
MDCLK
Start-Up/Power-On Time
130 ms at CD = 0
24 ns at CD = 0; 3.06 μs at CD = 7
24 ns at CD = 0; 3.06 μs at CD = 7
1.58 ms
1.7 ms
CD = 5
7.2
4.3
3.8
0.4
0.4
Description
Reserved.
Operating Modes.
Active mode.
Pause mode.
Nap.
Sleep mode. IRQ0 to IRQ3 and Timer2
can wake up the
ADuC7128/ADuC7129.
Stop mode.
Reserved.
Reserved.
CPU Clock Divider Bits.
41.779200 MHz.
20.889600 MHz.
10.444800 MHz.
5.222400 MHz.
2.611200 MHz.
1.305600 MHz.
654.800 kHz.
326.400 kHz.
Description
Reserved.
32 kHz PLL Input Selection.
Reserved.
Clocking Modes.
Reserved.
PLL. Default configuration.
Reserved.
External clock on P0.7 pin.
Set by user to use the internal
32 kHz oscillator.
Set by default.
Cleared by user to use the
external 32 kHz crystal.
CD = 6
6.7
4
3.8
0.4
0.4
CD = 7
6.45
3.85
3.8
0.4
0.4