ADUC7022BCPZ32-RL Analog Devices Inc, ADUC7022BCPZ32-RL Datasheet - Page 9
![IC,MICROCONTROLLER,16-BIT,ARM7 CPU,CMOS,LLCC,40PIN,PLASTIC](/photos/6/50/65062/505-40-lfcsp_sml.jpg)
ADUC7022BCPZ32-RL
Manufacturer Part Number
ADUC7022BCPZ32-RL
Description
IC,MICROCONTROLLER,16-BIT,ARM7 CPU,CMOS,LLCC,40PIN,PLASTIC
Manufacturer
Analog Devices Inc
Series
MicroConverter® ADuC7xxxr
Datasheet
1.USB-I2CLIN-CONV-Z.pdf
(96 pages)
Specifications of ADUC7022BCPZ32-RL
Core Processor
ARM7
Core Size
16/32-Bit
Speed
44MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
PLA, PWM, PSM, Temp Sensor, WDT
Number Of I /o
13
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 10x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
40-LFCSP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 9 of 96
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TIMING SPECIFICATIONS
Table 2. External Memory Write Cycle
Parameter
CLK
t
t
t
t
t
t
t
t
t
t
t
t
t
1
MS_AFTER_CLKH
ADDR_AFTER_CLKH
AE_H_AFTER_MS
AE
HOLD_ADDR_AFTER_AE_L
HOLD_ADDR_BEFORE_WR_L
WR_L_AFTER_AE_L
DATA_AFTER_WR_L
WR
WR_H_AFTER_CLKH
HOLD_DATA_AFTER_WR_H
BEN_AFTER_AE_L
RELEASE_MS_AFTER_WR_H
See Table 78.
1
AD[16:1]
MSx
BHE
CLK
BLE
A16
WS
AE
RS
FFFF
t
t
AE_H_AFTER_MS
HOLD_ADDR_BEFORE_WR_L
t
t
MS_AFTER_CLKH
HOLD_ADDR_AFTER_AE_L
CLK
t
ADDR_AFTER_CLKH
9ABC
Min
t
0
4
8
0
AE
t
Figure 3. External Memory Write Cycle (See Table 78)
WR_L_AFTER_AE_L
t
BEN_AFTER_AE_L
t
DATA_AFTER_WR_L
t
WR
5678
Typ
UCLK
½ CLK
(XMxPAR[14:12] + 1) × CLK
½ CLK + (!XMxPAR[10]) × CLK
(!XMxPAR[8]) × CLK
½ CLK + (!XMxPAR[10] + !XMxPAR[8]) × CLK
(XMxPAR[7:4] + 1) × CLK
(!XMxPAR[8]) × CLK
½ CLK
(!XMxPAR[8] + 1) × CLK
Rev. C | Page 9 of 96
t
WR_H_AFTER_CLKH
t
HOLD_DATA_AFTER_WR_H
9ABE
ADuC7019/20/21/22/24/25/26/27/28/29
t
RELEASE_MS_AFTER_WR_H
Max
4
8
12
4
1234
Unit
ns
ns
ns
ns
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