TMP92xy26AXBG Toshiba, TMP92xy26AXBG Datasheet - Page 106
TMP92xy26AXBG
Manufacturer Part Number
TMP92xy26AXBG
Description
Manufacturer
Toshiba
Datasheet
1.TMP92XY26AXBG.pdf
(768 pages)
Specifications of TMP92xy26AXBG
Package
FPGA228
Rom Types(m=mask,p=otp, F=flash,e=eeprom)
Romless
Rom Combinations
Romless
Ram Combinations
144/288
Architecture
32-bit CISC
Usb/spi Channels
1/1
Uart/sio Channels
2
I2c/sio Bus Channels
1
(s)dram Controller
1
Adc 10-bit Channel
6
Da Converter
-
Timer 8-bit Channel
8
Timer 16-bit Channel
2
Pwm 8-bit Channels
-
Pwm 16-bit Channels
-
Cs/wait Controller
4
Dual Clock
Y
Number Of I/o Ports
136
Power Supply Voltage(v)
3.0 to 3.6
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Sample3: Calculation example for CPU + LDMA + ARDMA
Conditions:
Calculation example:
CPU operating speed (f
t
Since SDRAM is auto-refreshed once or less in 5.47 [μs]:
t
CPU bus stop rate
STOP
STOP
(LDMA)
(ARDMA)
Display RAM
Display size
Display quality
Refresh rate
SDRAM auto refresh
LHSYNC [period:s]
SYS
92CF26A-104
=((SegNum × K / 8) × t
= 2 / f
= t
)
STOP
SYS
(LDMA・ARDMA) [s] / LHSYNC [period:s]
: 60 MHz
: 16-bit external SDRAM
: QVGA (320seg × 240com)
: 65536 colors (TFT)
: 70 Hz (including 20 clocks of dummy cycles)
: Every 936 states (15.6 μs)
= ((320 ×16 / 8) × 1 / f
= ((640) × 16.67 [ns] / 2) + 133.33 [ns]
= 5.47 [μs]
= 1/70 [Hz] / (COM + 20 = 260) = 54.95 [μs]
= (5.47 [μs] + 33.33 [ns]) / 54.95 [μs] = 10.01 [%]
[Hz] = 33.33 [ns]
LRD
) + (8 / f
SYS
SYS
[Hz] / 2) + (8 / f
[Hz])
TMP92CF26A
2009-06-25
SYS
[Hz])
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