HD64F7051SFJ20V Renesas Electronics America, HD64F7051SFJ20V Datasheet - Page 464
![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
- Current page: 464 of 843
- Download datasheet (5Mb)
Section 14 A/D Converter
14.2.3
A/D control register 0 (ADCR0) is an 8-bit readable/writable register that controls the start of A/D
conversion and selects the operating clock.
ADCR0 is initialized to H'1F by a power-on reset, and in hardware standby mode and software
standby mode.
Bits 4 to 0 of ADCR0 are reserved. These bits cannot be written to, and always return 1 if read.
Bit 7—Trigger Enable (TRGE): Enables or disables triggering of A/D conversion by external
input or the ATU.
Bit 7:
TRGE
0
1
For details of external or ATU trigger selection, see section 14.2.6, A/D Trigger Register.
When ATU triggering is selected, clear bit 7 of the ADTRGR register to 0.
When external triggering is selected, upon input of a low-level pulse to the ADTRG pin after
TRGE has been set to 1, the A/D converter detects the falling edge of the pulse, and sets the
ADST bit to 1 in ADCR. The same operation is subsequently performed when 1 is written in the
ADST bit by software. External triggering of A/D conversion is only enabled when the ADST bit
is cleared to 0.
When external triggering is used, the low-level pulse input to the ADTRG pin must be at least 1.5
Rev. 5.00 Jan 06, 2006 page 442 of 818
REJ09B0273-0500
clock cycles in width. For details, see section 14.4.4, External Triggering of A/D Conversion.
Initial value:
A/D Control Register 0 (ADCR0)
Description
A/D conversion triggering by external input or ATU is disabled
A/D conversion triggering by external input or ATU is enabled
R/W:
Bit:
TRGE
R/W
7
0
CKS
R/W
6
0
ADST
R/W
5
0
—
R
4
1
—
R
3
1
—
R
2
1
—
R
1
1
(Initial value)
—
R
0
1
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