ADUC7025BCPZ32-RL7 AD [Analog Devices], ADUC7025BCPZ32-RL7 Datasheet - Page 9

• Manufacturer Part Number: ADUC7025BCPZ32-RL7
• Description: Precision Analog Microcontroller 12-bit Analog I/O, ARM7TDMI MCU
• Manufacturer: AD [Analog Devices]

TIMING SPECIFICATIONS
Table 2. External Memory Write Cycle
Parameter
CLK
T
T
T
T
T
T
T
T
T
T
T
T
T
A/D[15:0]
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
BEN0
BEN1
CLK
A16
WR
MS
AE
RD
FFFF
T
AE_H_AFTER_MS
T
HOLD_ADDR_BEFORE_WR_L
T
MS_AFTER_CLKH
T
HOLD_ADDR_AFTER_AE_L
CLK
T
ADDR_AFTER_CLKH
9ABC
T
AE
Min
0
4
8
0
Typ
UCLK
½ CLK
(XMxPAR[14:12] + 1) x CLK
½ CLK + (!XMxPAR[10]) x CLK
(!XMxPAR[8]) x CLK
½ CLK + (!XMxPAR[10] + !XMxPAR[8]) x CLK
(XMxPAR[7:4] + 1) x CLK
(!XMxPAR[8]) x CLK
½ CLK
(!XMxPAR[8] + 1) x CLK
T
WR_L_AFTER_AE_L
T
BEN_AFTER_AE_L
T
T
DATA_AFTER_WR_L
WR
5678
Figure 3. External Memory Write Cycle
Rev. A | Page 9 of 92
T
T
WR_H_AFTER_CLKH
HOLD_DATA_AFTER_WR_H
9ABE
ADuC7019/20/21/22/24/25/26/27
T
RELEASE_MS_AFTER_WR_H
Max
4
8
12
4
1234
Unit
ns
ns
ns
ns