Sharp QT-MP3W Service Manual page 51

Portable cd stereo system
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U710 92L31000250110 : CPU ( TS2501 ) ( 2/4 )
DQM[0:1] / XA[21:20]
DQS[1:0] / XA[19:18]
ND_CLE / XA[17]
D_ALE / SD_nRAS / XA[16]
SD_nCAS / XA[15]
SD_BA[1:0] / XA[14:13]
XA[12:0]
XD[15:0]
nOE. nWE. nCS[3:0]
SD_nCS, SD_CKE
SD_CLK
ND_nWE
IDE_nCS1
READY
TDI. TMS. TCK
nTRST, TDO
GPIO_D[21:15]
GPIO_A[3:0]
USB_DP/GPIO_B[28], USB_DN/GPIO_B[27]
USBH_DP/GPIO_B[28], USBH_DN/GPIO_B[29]
USB1.1
Boot ROM
Host/Device
(4KB)
ECC
Generation
SRAM
(64KB)
Bridge
Ext. Memory
Interface
AHB Arbiter
AHB Wrapper
DMA
ARM940T
(2-channel)
JTAG
DAI (12S)
CODEC
Video Input
Interface
CD-DSP
DAO / GPIO_B[24]
MCLK / GPIO_B[23]
BCLK / GPIO_B[21]
LRCKO / GPIO_B[22]
DAI / GPIO_B[25]
Figure 7-3 BLOCK DIAGRAM OF IC
7 – 3
Pll &
CLK Generator
Timers/
Counters
Interrupt
APB
Controller
GSIO
GPIO
UART/IrDA
12C
for
&
ADC
GPIO_A[3] / CDAI
GPIO_A[2] / CLRCK
GPIO_A[1] / CBCLK
QT-MP3W
XIN, XOUT
XTIN, XTOUT
XFILT
TCO2/GPIO_A[11]
TCO5/GPIO_A[8]
TCO1/GPIO_A[7]
TCO4/GPIO_A[4]
TCO0/GPIO_A[3]
TCO3/GPIO_A[0]
EXINT[3:0] /
GPIO_A[15:12]
GPIO_A[11:0]
GPIO_A[15:0]
GPIO_B[20:21]
GPIO_B[9:7]
GPIO_B[5:0]
GPIO_D[17:15]
UT TX/GPIO_B[8]
UT RX/GPIO_B[8]
GPIO_A[11:10]
GPIO_A[9:8]
GPIO_D[17:16]
ADIN0
ADIN1
ADIN4
77

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