ADUC832 Analog Devices, ADUC832 Datasheet - Page 13

• Manufacturer Part Number: ADUC832
• Description: Precision Analog Microcontroller: 1.3MIPS 8052 MCU + 62kB Flash + 8-Ch 12-Bit ADC + Dual 12-Bit DAC
• Manufacturer: Analog Devices

Specifications of ADUC832

• Mcu Core: 8052
• Mcu Speed (mips): 1.3
• Sram (bytes): 2304Bytes
• Gpio Pins: 34
• Adc # Channels: 8
• Other: PWM

Table 5. External Data Memory Write Cycle
Parameter
t
t
t
t
t
t
t
t
t
1
WLWH
AVLL
LLAX
LLWL
AVWL
QVWX
QVWH
WHQX
WHLH
See Figure 7.
1
Description
WR pulse width
Address valid before ALE low
Address hold after ALE low
ALE low to WR low
Address valid to WR Low
Data valid to WR transition
Data setup before WR
Data and address hold after WR
WR high to ALE high
PORT 2 (O)
PSEN (O)
ALE (O)
WR (O)
M
CLK
t
AVLL
A16 TO A23
A0 TO A7
t
LLAX
Figure 7. External Data Memory Write Cycle
t
AVWL
t
LLWL
Rev. A | Page 13 of 92
Min
257
19
24
128
108
9
267
9
19
t
QVWX
16.78 MHz Core_CLK
A8 TO A15
DATA
t
t
WLWH
QVWH
Max
228
257
t
t
WHLH
WHQX
Min
6t
t
t
3t
4t
t
7t
t
t
CK
CK
CK
CK
CK
CK
CK
CK
CK
− 50
− 50
− 40
− 35
− 40
− 100
− 50
− 130
− 150
Variable Clock
Max
3t
6t
CK
CK
+50
− 100
ADuC832
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns