AT91SAM7S32-AU-999 Atmel, AT91SAM7S32-AU-999 Datasheet - Page 577
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AT91SAM7S32-AU-999
Manufacturer Part Number
AT91SAM7S32-AU-999
Description
IC MCU ARM7 32KB FLASH 48LQFP
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM7S32-AU-999
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
I²C, SPI, SSC, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
21
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
For Use With
AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7S-EK - KIT EVAL FOR ARM AT91SAM7S
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Manufacturer
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Price
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Table 37-23. SSC Timings (Continued)
Notes:
6175K–ATARM–30-Aug-10
Symbol
SSC
SSC
SSC
SSC
SSC
SSC
SSC
SSC
6
7
8
9
10
11
12
13
(1)
1. Timings SSC4 and SSC7 depend on the start condition. When STTDLY = 0 (Receive start delay) and START = 4, or 5 or 7
2. For output signals (TF, TD, RF), Min and Max access times are defined. The Min access time is the time between the TK (or
3. 3.3V domain: V
4. 1.8V domain: V
5. t
(Receive Start Selection), two Periods of the MCK must be added to timings.
RK) edge and the signal change. The Max access timing is the time between the TK edge and the signal stabilization.
37-16
Parameter
TF hold time after TK edge (TK input)
TK edge to TF/TD (TK input, TF input)
RF/RD setup time before RK edge (RK input)
RF/RD hold time after RK edge (RK input)
RK edge to RF (RK input)
RF/RD setup time before RK edge (RK output)
RF/RD hold time after RK edge (RK output)
RK edge to RF (RK output)
CPMCK
illustrates Min and Max accesses for SSC0. The same applies for SSC1, SSC4, and SSC7, SSC10 and SSC13.
: Master Clock period in ns
VDDIO
VDDIO
Figure 37-16. Min and Max access time of output signals
from 3.0V to 3.6V, maximum external capacitor = 40 pF.
from 1.65V to 1.95V, maximum external capacitor = 20 pF.
TK (CKI =0)
TK (CKI =1)
TF/TD
Receiver
Conditions
3.3V domain
1.8V domain
3.3V domain
1.8V domain
3.3V domain
1.8V domain
3.3V domain
1.8V domain
3.3V domain
1.8V domain
3.3V domain
1.8V domain
3.3V domain
1.8V domain
3.3V domain
1.8V domain
AT91SAM7S Series Preliminary
SSC
SSC
0max
0min
10 (+3*t
6 (+3*t
56.5 - t
t
26 - t
t
CPMCK
CPMCK
t
t
t
t
10.5
CPMCK
CPMCK
CPMCK
CPMCK
Min
CPMCK
6
0
0
CPMCK
0
0
(2)
CPMCK
(2)
(2)
CPMCK
(2)
- 5.5
- 10
)
(1)(2)
)
(1)(2)
29.5 (+3*t
56 (+3*t
Max
27
58
12
4
CPMCK
(2)
CPMCK
(2)
(2)
(2)
)
(1)(2)
)
(1)(2)
Units
Figure
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
577
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