HD64F7051SFJ20V Renesas Electronics America, HD64F7051SFJ20V Datasheet - Page 45
![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: 45 of 843
- Download datasheet (5Mb)
2.1.3
System registers consist of four 32-bit registers: high and low multiply and accumulate registers
(MACH and MACL), the procedure register (PR), and the program counter (PC). The multiply
and accumulate registers store the results of multiply and accumulate operations. The procedure
register stores the return address from the subroutine procedure. The program counter stores
program addresses to control the flow of the processing. Figure 2.3 shows a system register.
2.1.4
Table 2.1 lists the values of the registers after reset.
Table 2.1
Classification
General registers
Control registers
System registers
31
31
31
System Registers
Initial Values of Registers
Initial Values of Registers
Register
R0–R14
R15 (SP)
SR
GBR
VBR
MACH, MACL, PR
PC
Figure 2.3 System Register Configuration
MACH
MACL
PR
PC
Initial Value
Undefined
Value of the stack pointer in the vector address table
Bits I3–I0 are 1111 (H'F), reserved bits are 0, and other
bits are undefined
Undefined
H'00000000
Undefined
Value of the program counter in the vector address
table
0
0
0
Multiply and accumulate (MAC)
registers high and low (MACH,
MACL): Stores the results of
multiply and accumulate operations.
Procedure register (PR): Stores
a return address from a
subroutine procedure.
Program counter (PC): Indicates
the fourth byte (second instruction)
after the current instruction.
Rev. 5.00 Jan 06, 2006 page 23 of 818
REJ09B0273-0500
Section 2 CPU
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