DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 38

• Manufacturer Part Number: DF71251AD50FPV
• Description: MCU RISC FLASH 32K 8K 64LQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH Tinyr

Specifications of DF71251AD50FPV

• Core Processor: SH-2
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 37
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

2.2
There are three types of registers: general registers (32-bit × 16), control registers (32-bit × 3), and
system registers (32-bit × 4).
Rev. 5.00 Mar. 06, 2009 Page 18 of 770
REJ09B0243-0500
Register Configuration
Notes: 1. R0 can be used as an index register in index register indirect or index GBR
2. R15 is used as a hardware stack pointer during exception handling.
Figure 2.1 CPU Internal Register Configuration
indirect addressing mode. For some instructions, only R0 is used as the
source or destination register.
General register (Rn)
Status register (SR)
Global base register (GBR)
Vector base register (VBR)
Multiply and accumulate register (MAC)
Procedure register (PR)
Program counter (PC)
31
31
31
31
31
31
31
R15, SP (hardware stack pointer)*
M
9 8 7 6 5 4 3 2 1 0
MACH
MACL
GBR
R0*
VBR
R10
R11
R12
R13
R14
Q I3 I2 I1 I0
PR
PC
R1
R2
R3
R4
R5
R6
R7
R8
R9
1
2
S T
0
0
0
0
0
0