
Functional Overview
68
November 2002 Revised January 2005
SPRS205D
Table 334. Watchdog Timer Registers
WORD ADDRESS
REGISTER NAME
DESCRIPTION
RESET VALUE
0x4000
WDTIM[15:0]
WD Timer Counter Register
1111 1111 1111 1111
0x4001
WDPRD[15:0]
WD Timer Period Register
1111 1111 1111 1111
0x4002
WDTCR[13:0]
WD Timer Control Register
0000 0011 1100 1111
0x4003
WDTCR2[15:0]
WD Timer Control Register 2
0001 0000 0000 0000
Hardware reset; x denotes a “don’t care.”
Table 335. MMC/SD1 Module Registers
WORD ADDRESS
REGISTER NAME
DESCRIPTION
RESET VALUE
0x4800
MMCFCLK[8:0]
MMC Function Clock Control Register
0000 0000 0000 0111
0x4801
MMCCTL[10:0]
MMC Control Register
0000 0000 0000 0000
0x4802
MMCCLK[8:0]
MMC Clock Control Register
0000 0000 0000 1111
0x4803
MMCST0[12:0]
MMC Status Register 0
0000 0001 0000 0000
0x4804
MMCST1[5:0]
MMC Status Register 1
0000 0000 0000 0000
0x4805
MMCIE[12:0]
MMC Interrupt Enable Register
0000 0000 0000 0000
0x4806
MMCTOR[7:0]
MMC Response Time-Out Register
0000 0000 0000 0000
0x4807
MMCTOD[15:0]
MMC Data Read Time-Out Register
0000 0000 0000 0000
0x4808
MMCBLEN[11:0]
MMC Block Length Register
0000 0010 0000 0000
0x4809
MMCNBLK[15:0]
MMC Number of Blocks Register
0000 0000 0000 0000
0x480A
MMCNBLC[15:0]
MMC Number of Blocks Counter Register
0000 0000 0000 0000
0x480B
MMCDRR[15:0]
MMC Data Receive Register
0000 0000 0000 0000
0x480C
MMCDXR[15:0]
MMC Data Transmit Register
0000 0000 0000 0000
0x480D
MMCCMD[15:0]
MMC Command Register
0000 0000 0000 0000
0x480E
MMCARGL[15:0]
MMC Argument Register Low
0000 0000 0000 0000
0x480F
MMCARGH[15:0]
MMC Argument Register High
0000 0000 0000 0000
0x4810
MMCRSP0[15:0]
MMC Response Register 0
0000 0000 0000 0000
0x4811
MMCRSP1[15:0]
MMC Response Register 1
0000 0000 0000 0000
0x4812
MMCRSP2[15:0]
MMC Response Register 2
0000 0000 0000 0000
0x4813
MMCRSP3[15:0]
MMC Response Register 3
0000 0000 0000 0000
0x4814
MMCRSP4[15:0]
MMC Response Register 4
0000 0000 0000 0000
0x4815
MMCRSP5[15:0]
MMC Response Register 5
0000 0000 0000 0000
0x4816
MMCRSP6[15:0]
MMC Response Register 6
0000 0000 0000 0000
0x4817
MMCRSP7[15:0]
MMC Response Register 7
0000 0000 0000 0000
0x4818
MMCDRSP[7:0]
MMC Data Response Register
0000 0000 0000 0000
0x4819
Reserved
0x481A
MMCCIDX[7:0]
MMC Command Index Register
0000 0000 0000 0000
Hardware reset; x denotes a “don’t care.”
NOTE: The MMC/SD module must be selected in the External Bus Selection Register before any MMC/SD module register read or write attempt.