HD64F7051SFJ20V Renesas Electronics America, HD64F7051SFJ20V Datasheet - Page 242
![MCU 5V 256K J-TEMP PB-FREE QFP-1](/photos/28/62/286212/168-bqfp_sml.jpg)
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
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Section 10 Advanced Timer Unit (ATU)
10.2.3
Prescaler register 1 (PSCR1) is an 8-bit register. The ATU has one PSCR1 register.
PSCR1 is an 8-bit readable/writable register that enables the first-stage counter clock ' input to
each free-running counter (TCNT0 to TCNT9) and down-counter (DCNT10A to DCNT10H) to be
set to any value from /1 to /32.
Input counter clock ' is determined by setting PSCA to PSCE: ' is /1 when the set value is
H'00, and /32 when H'1F.
PSCR1 is initialized to H'00 by a power-on reset, and in hardware standby mode and software
standby mode.
The internal clock ' set with this register can undergo further second-stage scaling to create clock
Rev. 5.00 Jan 06, 2006 page 220 of 818
REJ09B0273-0500
" for channels 1 to 10, the setting being made in the timer control register (TCR).
Initial value:
Prescaler Register 1 (PSCR1)
R/W:
Bit:
—
R
7
0
—
R
6
0
—
R
5
0
PSCE
R/W
4
0
PSCD
R/W
3
0
PSCC
R/W
2
0
PSCB
R/W
1
0
PSCA
R/W
0
0
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