SAM7S128 Atmel Corporation, SAM7S128 Datasheet - Page 189

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SAM7S128

Manufacturer Part Number
SAM7S128
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of SAM7S128

Flash (kbytes)
128 Kbytes
Pin Count
64
Max. Operating Frequency
55 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
32
Ext Interrupts
32
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
1
Twi (i2c)
1
Uart
3
Ssc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
32
Self Program Memory
NO
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
3.0 to 3.6
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
No
7.14
ARM DDI 0029G
Debug timing
RANGEOUT0
RANGEOUT1
Figure 7-13 shows the ARM7TDMI processor synchronous interrupt timing. The
timing parameters used in Figure 7-13 are listed in Table 7-13.
EXTERN[1]
Symbol
T
T
T
T
T
T
T
T
BREAKPT
DBGACK
brkh
brks
dbgd
dbgh
dbgrq
exth
exts
rg
DBGRQI
DBGRQ
MCLK
Copyright © 1994-2001. All rights reserved.
Parameter
Hold time of BREAKPT from MCLKr
Set up time of BREAKPT to MCLKr
MCLKr to DBGACK valid
DGBACK hold time from MCLKr
DBGRQ to DBGRQI valid
EXTERN[1:0] hold time from MCLKf
EXTERN[1:0] set up time to MCLKf
MCLKf to RANGEOUT0, RANGEOUT1 valid
T
T
rgh
exts
T
exth
T
rg
T
dbgrq
T
T
dbgh
T
brks
rqs
T
T
rqh
brkh
T
Table 7-13 Debug timing parameters
dbgd
Figure 7-13 Debug timing
AC and DC Parameters
Parameter type
Minimum
Minimum
Minimum
Minimum
Minimum
Maximum
Maximum
Maximum
7-17

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