參數資料
型號: LH7A404
廠商: Sharp Corporation
英文描述: 32 BIT SYSTEM ON CHIP
中文描述: 32位片上系統(tǒng)
文件頁數: 9/51頁
文件大?。?/td> 387K
代理商: LH7A404
32-Bit System-on-Chip
LH7A404
Advance Data Sheet
9
H2
H1
J4
J3
J2
J1
K4
K2
B1
B2
C1
C3
D1
D2
G1
H3
L9
AB7
Y8
COL0
COL1
COL2
COL3
COL4
COL5
COL6
COL7
TCLK
TDO
TMST
MEDCHG
BATOK
nBATCHG
KMIDAT
KMICLK
BUZ
nBLE2
nBLE1
Keyboard Interface
8 mA
JTAG Clock. This signal should be pulled-up to VDD
JTAG Data Out
JTAG Test Mode Select. This signal should be pulled-up to VDD
Media Change for Smart Card interface
Battery OK
Battery Change
Keyboard / Mouse data
Keyboard /Mouse clock
Buzzer Output (254 kHz MAX.)
Byte Lane Enable 2
Byte Lane Enable 1
4 mA
16 mA
16 mA
8 mA
16 mA
16 mA
AA12 BATCNTL
Battery Control for A/D controller battery monitor.
16 mA
N11
BOOTWIDTH0
Boot Width Pins. Used with the MEDCHG bit. On power up, the values on these pins are
latched to determine the width and type of Boot device. Boot width can be 8-, 16-, or 32-bit.
N12
BOOTWIDTH1
W12
AA13 AN1
Y13
W13
AB14 AN5
AA14 AN2
Y14
W14
AB15 AN3
Y15
W16
Y17
AA22 OSCEN
C18
nCAS
D17
nRAS
A15
nBLE3
B15
nBLE0
C15
DQM0
D15
DQM1
A14
DQM2
B14
DQM3
B13
SCIIO
C13
SCICLK
D13
SCIRESET
A12
SCIVCCEN
LR_YM
Touch Screen Controller Lower Right Y-minus
A/D channel 1
A/D channel 6
Touch Screen Controller Lower Left Y-plus
A/D channel 5
A/D channel 2
Touch Screen Controller Upper Right X-minus
A/D channel 4
A/D channel 3
Touch Screen Controller Upper Left X-plus,
AN6
LL_YP
UR_XM
AN4
UL_XP
nTEST0
nTEST1
Test Pins. Tie to VDD.
Oscillator Enable Output
Column Address Strobe Signal
Row Address Strobe Signal
Byte Lane Enable 3
Byte Lane Enable 0
8 mA
16 mA
16 mA
8 mA
8 mA
Data Mask for synchronous memories
16 mA
Smart Card Interface I/O
Smart Card Interface Clock
Smart Card Interface Reset
Smart Card Interface VCC Enable
16 mA
16 mA
16 mA
16 mA
Table 1. Functional Pin List (Cont’d)
BGA
SIGNAL
DESCRIPTION
OUTPUT
DRIVE
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