ADUC832 Analog Devices, ADUC832 Datasheet - Page 12

• 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

ADuC832
Table 4. External Data Memory Read Cycle
Parameter
t
t
t
t
t
t
t
t
t
t
t
t
1
RLRH
AVLL
LLAX
RLDV
RHDX
RHDZ
LLDV
AVDV
LLWL
AVWL
RLAZ
WHLH
See Figure 6.
1
Description
RD pulse width
Address valid before ALE low
Address hold after ALE low
RD low to valid data in
Data and address hold after RD
Data float after RD
ALE low to valid data in
Address to valid data in
ALE low to RD low
Address valid to RD low
RD low to address float
RD high to ALE high
PORT 0 (I/O)
PORT 2 (O)
PSEN (O)
ALE (O)
RD (O)
M
CLK
t
AVLL
A0 TO A7 (OUT)
A16 TO A23
t
AVDV
t
LLAX
Figure 6. External Data Memory Read Cycle
t
AVWL
t
LLWL
t
LLDV
Rev. A | Page 12 of 92
t
RLAZ
Min
257
19
24
0
128
108
0
19
t
RLDV
16.78 MHz Core_CLK
A8 TO A15
t
D0 TO D7 (IN)
RLRH
Max
133
49
326
371
228
257
t
RHDX
t
WHLH
Min
6t
t
t
0
3t
4t
0
t
CK
CK
CK
t
CK
CK
CK
RHDZ
− 40
− 35
− 40
− 100
− 50
− 130
Variable Clock
Max
5t
2t
8t
9t
3t
6t
CK
CK
CK
CK
CK
CK
− 165
− 70
− 150
− 165
+50
− 100
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns