HD6417032F20V Renesas Electronics America, HD6417032F20V Datasheet - Page 154
HD6417032F20V
Manufacturer Part Number
HD6417032F20V
Description
SH1 ROMLESS LEAD FREE
Manufacturer
Renesas Electronics America
Series
SuperH® SH7030r
Datasheet
1.HD6417034AFI20.pdf
(689 pages)
Specifications of HD6417032F20V
Core Processor
SH-1
Core Size
32-Bit
Speed
20MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
32
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
112-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6417032F20V
Manufacturer:
TI
Quantity:
201
- Current page: 154 of 689
- Download datasheet (5Mb)
Section 8 Bus State Controller (BSC)
8.2.11
RCR, RTCSR, RTCNT, and RTCOR differ from other registers in being more difficult to write.
Data requires a password when it is written. This prevents data from being mistakenly overwritten
by program overruns and so on.
Writing to RCR, RTCSR, RTCNT, and RTCOR: Use only word transfer instructions. It is not
possible to write with byte transfer instructions. As figure 8.2 shows, when writing to RCR, place
H'5A in the upper byte and the write data in the lower byte. When writing to RTCSR, place H'A5
in the upper byte and the write data in the lower byte. When writing to RTCNT, place H'69 in the
upper byte and the write data in the lower byte. When writing to RTCOR, place H'96 in the upper
byte and the write data in the lower byte. These transfers write data in the lower byte of the
respective registers. If the upper byte differs from the above passwords, no writing occurs.
Reading from RCR, RTCSR, RTCNT, and RTCOR: These registers are read like other
registers. They can be read by byte and word transfer instructions. If read by word transfer, the
value of the upper eight bits is H'00.
Rev. 7.00 Jan 31, 2006 page 126 of 658
REJ09B0272-0700
Notes on Register Access
RTCOR
RTCSR
RTCNT
RCR
Figure 8.2 Writing to RCR, RTCSR, RTCNT, and RTCOR
15
15
15
15
H'5A
H'A5
H'69
H'96
8 7
8 7
8 7
8 7
Write data
Write data
Write data
Write data
0
0
0
0
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