TCC76x
Specification Rev. 0.07
February 23, 2005
32-bit RISC Microprocessor for Digital Media Player
TCC76X VS. TCC72X
Preliminary
25-1
25 TCC76x vs. TCC72x
25.1 Feature Comparison
Table 25.1 Feature Comparison
Item
TCC721
TCC761
Note
Process / Typical Core Voltage
0.25µm / 2.5V
0.18µm / 1.8V
CPU
ARM940T
ARM940T
CPU Frequency
120MHz
140MHz
SDRAM clock frequency
50MHz
100MHz
DDR SDRAM support
-
100MHz
Optional
ECC Generation
Software only
Hardware ECC for SLC NAND,AGAND
Camera Interface
-
Optional CCIR656 Input
Pins shared with GPIOs
Color Space Converter for LCD
-
YUV-to-RGB / RGB-to-YUV
16-bpp Mode for STN LCD
-
Supported (RGB444)
DMAController
1 Channel
2 Channel
Fast GPIO Controller
-
Supports up to 15 GPIO pins
Shared with GPIO_A, D pins
I2C Master
Software only
Hardware I2C Master Core
Pins shared with GPIOs
DAI Buffer Size
2 x 4
2 x 8
CDIF Buffer Size
4
8
32-bit Counter
-
Programmable down to 1Hz
IDLE/Power Down Mode Clock
XIN(12MHz)
XIN(12MHz) or XTIN (32.768kHz)
Means CPU clock source.
USB Device EP0 FIFO size
16Bytes
64Bytes
ADC Core
500KSPS / 10bit / 2.5V
500KSPS / 10bit / .3.3V
PLL Core Max. Frequency
300MHz
500MHz
On-ChipAudio CODEC
Yes
-
25.2 Pin Comparison
Table 25.2 Power Voltage Range Comparison
Pin Name
TCC72x
TCC76x
Description
VDDIO
2.7 ~ 3.3 V
1.8 ~ 3.3 V
Wide range I/O.
VDD_NOR
2.7 ~ 3.3 V
2.7 ~ 3.3 V or
1.8 V
In the TCC76x, there are 2 versions of voltage condition.
One is same as that of the TCC72x and the other is for low-power consumption so it has
lower voltage condition than the former one.
VDD_OSC
X
TBD ~1.8 V
In the TCC72x this pin is contained in VDDI group.
In the TCC76x, it is dedicated for oscillator power for XIN and XTIN pins, so in case of
lowering VDDI than 1.8V, it should be maintained at 1.8V. The voltage level of XIN and
XTIN pins must not exceed VDD_OSC level.
VDDI
1.8 ~ 2.5 V
TBD ~ 1.8 V
Lower than the TCC72x The lower limit is not yet confirmed.
VDDI_ADC
1.8 ~ 2.5 V
TBD ~ 1.8 V
In the TCC72x this pin is represented as VDDI_aip.
Its function is same except of voltage condition.
HPVDD
VDDB_WF
AVDD
2.7 ~ 3.3 V
2.7 ~ 3.3 V or
1.8 V
In the TCC76x, there are 2 versions of voltage condition.
One is same as that of the TCC72x and the other is for low-power consumption so it has
lower voltage condition than the former one.
VDDC_WF
1.8 ~ 3.3 V
TBD ~ 3.3 V
Same as the TCC72x but the lower limit below 1.8V will be determined later.
VDDA_PLL
2.5 V
TBD ~ 1.8 V
Lower than the TCC72x.
VDDA_ADC
2.5 V
TBD ~ 3.3 V
It has higher condition than the TCC72x.
Note: Lower limits for the voltage range under 1.8V are to be determined.
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