HD64F2638F20J Renesas Electronics America, HD64F2638F20J Datasheet - Page 84

• Manufacturer Part Number: HD64F2638F20J
• Description: IC H8S MCU FLASH 256K 128-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2600r

Specifications of HD64F2638F20J

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: CAN, SCI, SmartCard
• Peripherals: Motor Control PWM, POR, PWM, WDT
• Number Of I /o: 72
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 2 CPU
2.4
2.4.1
The CPU has the internal registers shown in figure 2-7. There are two types of registers: general
registers and control registers.
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General Registers (Rn) and Extended Registers (En)
Legend:
SP:
PC:
EXR:
T:
I2 to I0:
CCR:
I:
UI:
Note: * Cannot be used as an interrupt mask bit in the chip.
ER0
ER1
ER2
ER3
ER4
ER5
ER6
ER7 (SP)
Control Registers (CR)
Register Configuration
Overview
MAC
Stack pointer
Program counter
Extended control register
Trace bit
Interrupt mask bits
Condition-code register
Interrupt mask bit
User bit or interrupt mask bit*
15
63
31
E0
E1
E2
E3
E4
E5
E6
E7
23
Figure 2-7 CPU Registers
Sign extension
07
H:
U:
N:
Z:
V:
C:
MAC:
MACL
Half-carry flag
User bit
Negative flag
Zero flag
Overflow flag
Carry flag
Multiply-accumulate register
R0H
R1H
R2H
R3H
R4H
R5H
R6H
R7H
PC
07
EXR
CCR
41
H8S/2639, H8S/2638, H8S/2636,
T ⎯ ⎯ ⎯ ⎯ I2 I1 I0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
I UI H U N Z V C
REJ09B0103-0800 Rev. 8.00
H8S/2630, H8S/2635 Group
MACH
R0L
R1L
R2L
R3L
R4L
R5L
R6L
R7L
32
May 28, 2010
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