h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 680

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 19 Multimedia Card Interface (MCIF)
SPI mode:
Rev. 3.00 Jan 25, 2006 page 628 of 872
REJ09B0286-0300
Internal
interrupt
RFU
request
Interface via the MCCLK pin (transfer clock output) , MCTxD pin (command
transmission/data transmission) , MCRxD pin (response reception/data transmission) and
MCCSA and MCCSB pins (chip select) for each MMC.
Legend:
CMDR0 to 5
RSPR0 to 16
RSPRD
CMDTYR
RSPTYR
CMDSTRT
CTOCR
OPCR
TBCR
MCCLK, MCTxD, MCRxD, MCCSA, MCCSB,
MCCMD, MCDAT, MCDATDIR, MCCMDDIR
: Command registers 0 to 5
: Response registers 0 to 16
: Response register D
: Command type register
: Response type register
: Command start register
: Command timeout control register
: Operation control register
: Transfer byte number count register
Interrupt control
INTCR0, INTCR1
INTSTR0, INTSTR1
interface
RFU
CSTR
Module data bus
Figure 19.1 Block Diagram of MCIF
: MMC connection signals (see table 19.1)
Command transmission/
response reception
control
MMC/SPI mode control
Data transmission/
reception control
Card clock generator
TBNCR
DTOUTR
IOMCR
MODER
CLKON
INTCR0, INTCR1
INTSTR0, INTSTR1
CSTR
CMDR0 to CMDR5
RSPR0 to RSPR16
CMDTYR
RSPTYR
CMDSTRT
CTOCR
RSPRD
OPCR
TBCR
TBNCR
DTOUTR
IOMCR
MODER
CLKON
: Transfer block number counter
: Data timeout register
: Pin mode control register
: Mode register
: Transfer clock control register
: Interrupt control registers 0, 1
: Interrupt status registers 0, 1
: Card status register
MCCLK
MCTxD
MCRxD
MCCSA
MCCSB
MCCMD
MCDAT
MCDATDIR
MCCMDDIR