NAD C715 Service Manual page 38

TCC760
Block Diagram
DQM[0:1] / XA[21:20]
DQS[1:0] / XA[19:18]
ND_CLE / XA[17]
ND_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[26], USB_DN / GPIO_B[27]
USBH_DP / GPIO_B[28], USBH_DN / GPIO_B[29]
Boot ROM
(4KB)
SRAM
(64KB)
Ext. Memory
Interface
AHB Wrapper
ARM940T
JTAG
Video Input
Interface
DAO / GPIO_B[24]
MCLK / GPIO_B[23]
BCLK / GPIO_B[21]
LRCKO / GPIO_B[22]
DAI / GPIO_B[25]
Functional Block Diagram of TCC760
2-27
USB1.1
CLK Generator
Host / Device
Timers /
ECC
Counters
Generation
Interrupt
APB
Controller
Bridge
AHB Arbiter
DMA
(2-channel)
UART/IrDA
DAI (I2S)
for
CODEC
&
CD-DSP
GPIO_A[3] / CDAI
GPIO_A[2] / CLRCK
GPIO_A[1] / CBCLK
XIN, XOUT
PLL &
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]
GSIO
GPIO_A[11:0]
GPIO_A[15:0]
GPIO_B[29:21]
GPIO
GPIO_B[9:7]
GPIO_B[5:0]
GPIO_D[17:15]
UT_TX / GPIO_B[8]
UT_RX / GPIO_B[9]
GPIO_A[11:10]
I2C
GPIO_A[9:8]
GPIO_D[17:16]
ADIN0
ADC ADIN2
ADIN4