HD6417709SF133B Renesas Electronics America, HD6417709SF133B Datasheet - Page 369
HD6417709SF133B
Manufacturer Part Number
HD6417709SF133B
Description
IC SUPERH MPU ROMLESS 208LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7700r
Datasheet
1.D6417709SBP167BV.pdf
(809 pages)
Specifications of HD6417709SF133B
Core Processor
SH-3
Core Size
32-Bit
Speed
133MHz
Connectivity
EBI/EMI, FIFO, IrDA, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
96
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 2.05 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
208-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
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10.3.10 M M M M C C C C S S S S [ [ [ [ 0 0 0 0 ] ] ] ] to M M M M C C C C S S S S [ [ [ [ 7 7 7 7 ] ] ] ] Pin Control
The SH7709S is provided with pins MCS[0]–MCS[7] as dedicated CS pins for the ROM
connected to area 0 or 2. Assertion of MCS[0]–MCS[7] is controlled by settings in MCSCR0–
MCSCR7. This enables 32-, 64-, 128-, or 256-Mbit memory to be connected to area 0 or area 2.
However, only CS2/0 = 0 (area 0) should be used for MCSCR0. Table 10.15 shows MCSCR0–
MCSCR7 settings and MCS[0]–MCS[7] assertion conditions.
As the MCS[0]–MCS[7] pins are multiplexed as the PTC0–PTC7 pins, when using these pins as
MCS[0]–MCS[7], the corresponding bits in the PCCR register should be set to “other function.”
When CS2/0 = 0 in the MCSCR0 and when the PTC0 pin is switched to MCS[0] (when
PCOMD1–PCOMD0 are set to “other function”), the CS0 pin is also switched to MCS[0].
As port register writes operate on the peripheral clock, they take time compared with instruction
execution by the CPU operating on the high-speed internal clock. Therefore, if an instruction that
accesses MCS[1] to MCS[7] is located several instructions after an instruction that switches port C
to MCS, the switch from PTC[n] to MCSn and from CS0 to MCS[0] may not be performed
correctly.
To prevent this problem, the following switching procedure should be used.
(1) To switch port C to MCS, set the corresponding bits in the PCCR register to 00 ("other
(2) Read the PCCR register and check whether the set value is read. Repeat until the set value is
(3) Perform a dummy read from non-cacheable CS0 space (e.g. address H'A0000000). This will
(4) Access can now be made to the MCS[1] to MCS[7] spaces.
(1) Set the PCCR register as in (1) above.
(2) Place at least three NOP instructions after the instruction in (1). As a result, when the PCCR
(3) Access can now be made to the MCS[1] to MCS[7] spaces.
When the program runs with cache on
function").
read.
result in an access to the CS0 space, and immediately afterward, CS0 will be switched to
MCS[0], and port C[n] will be switched to MCS[n].
When the program runs in MCS[0] space with cache off
register is rewritten, an access to the CS0 space will be generated, and immediately afterward,
CS0 will be switched to MCS[0], and port C[n] will be switched to MCS[n].
Rev. 5.00, 09/03, page 323 of 760
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