HD6417020SVX12I Renesas Electronics America, HD6417020SVX12I Datasheet - Page 150
HD6417020SVX12I
Manufacturer Part Number
HD6417020SVX12I
Description
IC SUPERH MPU ROMLESS 100TQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7020r
Datasheet
1.HD6417020SVX12IV.pdf
(511 pages)
Specifications of HD6417020SVX12I
Core Processor
SH-1
Core Size
32-Bit
Speed
12.5MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
32
Program Memory Type
ROMless
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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Table 8.8
Area
1, 3–5, 7
0, 2, 6 (long
wait available)
Notes: 1. The number of long wait states is set by WCR3.
For the CPU read cycle, DMAC dual mode read cycle and DMAC single mode read/write cycle,
the access cycle is completed in 1 state when the corresponding bits of WCR1 and WCR2 for
areas 1, 3–5, and 7 are cleared to 0 and the WAIT pin input signal is not sampled. When the bits
are set to 1, the WAIT signal is sampled and the number of states is 2 plus the number of wait
states in the WAIT signal. The WAIT signal is sampled at the rise of the system clock (CK)
directly preceding the second state of the bus cycle and the wait states are inserted as long as the
level is low. When a high level is detected, it shifts to the second state (final state). Figure 8.13
shows the wait state timing when accessing the external memory spaces of areas 1, 3, 4, 5, and 7.
130 RENESAS
2. When DRAME = 1, short pitch/long pitch is selected with the WW1 bit of the WCR1.
3. Pin wait cannot be used for the CS7 and WAIT pins of area 3 because they are
multiplexed.
Number of States and Number of Wait States in the Access Cycles to External
Memory Spaces
Corresponding Bits in
WCR1 and WCR2 = 0
1 cycle fixed; WAIT signal
ignored
1 cycle + long wait state,
WAIT signal ignored
CPU read cycle, DMAC dual mode read cycle,
DMAC single mode read/write cycle
Corresponding Bits in
WCR1 and WCR2 = 1
2 cycles fixed + wait state from WAIT signal
1 cycle + long wait state*
signal
1
+ wait state from WAIT
CPU Write Cycle and
DMAC Dual Mode Write
Cycle (Cannot be
controlled by WCR1)*
2
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