ADUC7025BCPZ32-RL7 AD [Analog Devices], ADUC7025BCPZ32-RL7 Datasheet - Page 12

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

ADuC7019/20/21/22/24/25/26/27
Table 5. SPI Master Mode Timing (PHASE Mode = 1)
Parameter
t
t
t
t
t
t
t
t
t
1
2
SL
SH
DAV
DSU
DHD
DF
DR
SR
SF
t
t
HCLK
UCLK
depends on the clock divider or CD bits in PLLCON MMR. t
= 23.9 ns. It corresponds to the 41.78 MHz internal clock from the PLL before the clock divider.
(POLARITY = 0)
(POLARITY = 1)
Description
SCLOCK low pulse width
SCLOCK high pulse width
Data output valid after SCLOCK edge
Data input setup time before SCLOCK edge
Data input hold time after SCLOCK edge
Data output fall time
Data output rise time
SCLOCK rise time
SCLOCK fall time
SCLOCK
SCLOCK
MOSI
MISO
1
t
DAV
1
t
SH
Figure 6. SPI Master Mode Timing (PHASE Mode = 1)
t
DSU
HCLK
MSB IN
= t
t
DHD
UCLK
MSB
2
t
SL
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2
CD
.
t
DF
t
DR
BITS 6–1
BITS 6–1
1 × t
2 × t
Min
UCLK
UCLK
t
SR
Typ
(SPIDIV + 1) × t
(SPIDIV + 1) × t
5
5
5
5
LSB IN
t
SF
LSB
HCLK
HCLK
Max
25
12.5
12.5
12.5
12.5
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns