HD64F7051SFJ20V Renesas Electronics America, HD64F7051SFJ20V Datasheet - Page 312
HD64F7051SFJ20V
Manufacturer Part Number
HD64F7051SFJ20V
Description
MCU 5V 256K J-TEMP PB-FREE QFP-1
Manufacturer
Renesas Electronics America
Series
SuperH® SH7050r
Datasheet
1.HD64F7050SFJ20V.pdf
(843 pages)
Specifications of HD64F7051SFJ20V
Core Processor
SH-2
Core Size
32-Bit
Speed
20MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, WDT
Number Of I /o
102
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
10K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
168-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F7051SFJ20V
Manufacturer:
RENESAS
Quantity:
101
Part Number:
HD64F7051SFJ20V
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
- Current page: 312 of 843
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Section 10 Advanced Timer Unit (ATU)
10.3.6
The ATU channel 10 down-counters (DCNT) can be coupled with compare-matches between the
channel 1 and 2 free-running counters (TCNT) and general registers (GR) by setting bits CN10A
to CN10H to 1 in the timer connection register (TCNR). At the same time, the external pins
(TOA10 to TOH10) corresponding to the eight channel 10 down-counters, DCNT10A to
DCNT10H, can be used as offset one-shot pulse output pins.
Setting 1 in timer start register (TSTR) bit STR1 or STR2 starts the up-count by TCNT1 or
TCNT2 in channel 1 or 2. When TCNT1 or TCNT2 matches the general register (GR!A to GR1F,
GR2A, GR2B) value, the down-count start register (DSTR) bit corresponding to bit CN10A to
CN10H in TCNR corresponding to GR automatically changes to 1, and the down-count is started.
When the down-count starts, 1 is output to the corresponding external pin (TOA10 to TOH10). If
the DCNT value is 0, however, the external pin remains at 0 even if DST is set to 1; in this case, a
one-shot pulse is not generated, but an interrupt is requested. When the DCNT value underflows,
DCNT and the relevant DST bit are automatically cleared to 0, and DCNT stops counting. At the
same time, 0 is output to the corresponding external pin. As long as a count value is set in DCNT
Rev. 5.00 Jan 06, 2006 page 290 of 818
REJ09B0273-0500
Write to DCNT10A
and DST10A by
user program
Offset One-Shot Pulse Function
DST10A
H'FFFF
H'0000
TOA10
Data B
Data A
Figure 10.15 Example of One-Shot Pulse Operation
(Data A) DST10A= ‘1’
One-shot
pulse
Down-count value
DCNT10A
Automatically
cleared to 0
(Data B)
One-shot pulse
DST10A = ‘1’
Time
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