ADUC7121 Analog Devices, ADUC7121 Datasheet - Page 8

• Manufacturer Part Number: ADUC7121
• Description: Precision Analog Microcontroller, 12-Bit Analog I/O, ARM7TDMI MCU
• Manufacturer: Analog Devices

Specifications of ADUC7121

• Mcu Core: ARM7 TDMI
• Mcu Speed (mips): 40
• Sram (bytes): 8192Bytes
• Gpio Pins: 32
• Adc # Channels: 9

ADuC7121
Parameter
TEMPERATURE SENSOR
POWER SUPPLY MONITOR (PSM)
POWER-ON RESET
WATCHDOG TIMER (WDT)
FLASH/EE MEMORY
DIGITAL INPUTS
LOGIC INPUTS
LOGIC OUTPUTS
CRYSTAL INPUTS (XCLKI AND XCLKO)
INTERNAL OSCILLATOR
MCU CLOCK RATE
START-UP TIME
PROGRAMMABLE LOGIC ARRAY (PLA)
POWER REQUIREMENTS
Endurance
Data Retention
Logic 1 Input Current
Logic 0 Input Current
Input Capacitance
V
V
Logic Inputs, XCLKI Only
XCLKI Input Capacitance
XCLKO Output Capacitance
From 32 kHz Internal Oscillator
From 32 kHz External Crystal
At Power-On
From Pause/Nap Mode
From Sleep Mode
From Stop Mode
Pin Propagation Delay
Element Propagation Delay
Power Supply Voltage Range
Analog Power Supply Currents
Voltage Output at 25°C
Voltage Temperature Coefficient
Accuracy
IOV
Power Supply Trip Point Accuracy
Timeout Period
V
V
Using an External Clock
INL
INH
OH
OL
AV
V
V
AV
, Output Low Voltage
, Input Low Voltage
, Output High Voltage
, Input High Voltage
DD
INL
INH
DD
DD
Trip Point Selection
, Input Low Voltage
, Input High Voltage
to AGND and IOV
Current
12
4
13
11
15, 16
4
4
DD
14
to IOGND
Min
0
10,000
20
2.0
2.4
0.05
3.0
Typ
707
−1.25
±3
3.07
±2.5
2.36
±0.2
−40
10
1.1
1.7
20
20
32.768
70
24
3.06
1.7
12
2.5
200
2.79
326
41.78
1.58
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Max
512
−60
0.8
0.4
±3
±1
41.78
3.6
Unit
mV
mV/°C
°C
V
V
%
V
sec
Cycles
Years
μA
μA
pF
V
V
V
V
V
V
pF
pF
kHz
%
kHz
MHz
MHz
ms
ns
μs
ms
ms
ns
ns
V
μA
All digital inputs excluding XCLKI and XCLKO
All digital outputs excluding XCLKO
Core clock (HCLK) = 41.78 MHz
Test Conditions/Comments
After user calibration
MCU in power-down or standby mode before
measurement
Two selectable trip points
Of the selected nominal trip point voltage
T
V
V
All logic inputs excluding XCLKI
I
I
Clock divider (CD) = 7
CD = 0
T
CD = 0
CD = 7
From input pin to output pin
ADC in idle mode
SOURCE
SINK
J
A
IH
IL
= 85°C
= 95°C
= 0 V; except TDI
= V
= 1.6 mA
= 1.6 mA
DD