TCC76x
Specification Rev. 0.07
February 23, 2005
32-bit RISC Microprocessor for Digital Media Player
INTRODUCTION
Preliminary
1-24
Signal Name
Shared Signal
Ball
Type Description – TCC766
MST[2]
P10
I/O
Memory Card Configuration Select Bit 2
MST[2:0]
Configuration
111
Record in flash memory by AP
001
Only support MMC/SD card
010
Only support MS/MS_Pro/New MS card
011
Support two kinds of card above.
And
MMC/SD is the first slot in USB mode.
100
Support two kinds of card above.
And
MS/MS_Pro/New MS card is the first slot in
USB mode.
MST[1]
T9
I/O
Memory Card Configuration Select Bit 1
MST[0]
T10
I/O
Memory Card Configuration Select Bit 0
Flash Memory Interface Pins
ND_D[15]
C16
I/O
Flash Data Bus Bit 15
ND_D[14]
D15
I/O
Flash Data Bus Bit 14
ND_D[13]
D16
I/O
Flash Data Bus Bit 13
ND_D[12]
E16
I/O
Flash Data Bus Bit 12
ND_D[11]
E15
I/O
Flash Data Bus Bit 11
ND_D[10]
F15
I/O
Flash Data Bus Bit 10
ND_D[9]
F14
I/O
Flash Data Bus Bit 9
ND_D[8]
F16
I/O
Flash Data Bus Bit 8
ND_D[7]
T16
I/O
Flash Data Bus Bit 7
ND_D[6]
P15
I/O
Flash Data Bus Bit 6
ND_D[5]
R15
I/O
Flash Data Bus Bit 5
ND_D[4]
T14
I/O
Flash Data Bus Bit 4
ND_D[3]
R14
I/O
Flash Data Bus Bit 3
ND_D[2]
T15
I/O
Flash Data Bus Bit 2
ND_D[1]
R13
I/O
Flash Data Bus Bit 1
ND_D[0]
P13
I/O
Flash Data Bus Bit 0
ND_nCE[1]
R3
I/O
Flash Chip Enable 1, Low active.
ND_nCE[0]
R2
I/O
Flash Chip Enable 0, Low active.
ND_ALE
R11
O
Flash Address Latch Enable, High active.
ND_CLE
R12
O
Flash Command Latch Enable, High active.
ND_nOE
P11
O
Flash Read Control signal, Low active.
ND_nWE
T11
O
Flash Write Control signal, Low active.
ND_nWP
P12
I/O
Flash Write Protect Control signal, Low active.
ND_RDY
T12
I
Flash Ready/Busy signal. Pull-up resistor required.
ND_WP_CTL
A12
I/O
Flash Write Protect Control Enable Input. ND_nWP
signal output is enabled when this signal is high.
PRTST
K1
I/O
NAND Flash low level format control signal with internal
pull-up. Pull-up for normal operation (low level format
disabled).
AGN_nRESET
M15
I/O
Active low reset signal to AGAND Flash.
Miscellaneous Pins
ACT_nSPND
M16
I/O
Power Control Status Output. High indicates power on
state (Access Mode), low indicates power off state
(Suspend Mode).
ACS_IND
N1
I/O
Flash Memory Access Indicator with internal pull-up. This
signal will be blinking when Flash Memory is accessed.
U_CF
J16
I
Internal IDE Mode Select Signal.
For normal operation,
connect this signal to GPIO_A[5].
U_nRESET
B15
I
Reset Signal
U_nEA
L15
I
EAMODE Select for Test. Pull-up for normal operation.
U_nTEST
C13
I
Test Mode. (active low). Pull-up for normal operation.
TESTCS2
GPIO_B[4]
R7
I/O
Chip Select 2 for the internal IDE interface. This signal is
internally connected to GPIO_B[4]. Do not connect to
external component.
TESTCS0
GPIO_B[2]
P6
I/O
Chip Select 1 for the internal IDE interface. This signal is
internally connected to GPIO_B[2]. Do not connect to
external component.
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