HD64F2145BTE20 Renesas Electronics America, HD64F2145BTE20 Datasheet - Page 89

• Manufacturer Part Number: HD64F2145BTE20
• Description: IC H8S MCU FLASH 256K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of HD64F2145BTE20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, IrDA, SCI, X-Bus
• Peripherals: PWM, WDT
• Number Of I /o: 74
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

2.4
The H8S/2000 CPU has the internal registers shown in figure 2.6. There are two types of registers:
general registers and control registers. Control registers are a 24-bit program counter (PC), an 8-bit
extended control register (EXR), and an 8-bit condition code register (CCR).
General Registers (Rn) and Extended Registers (En)
Control Registers
Register Configuration
ER0
ER1
ER2
ER3
ER4
ER5
ER6
ER7 (SP)
Legend:
SP
PC
EXR
T
I2 to I0
CCR
I
UI
Note: * Does not affect operation in this LSI.
: 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
Figure 2.6 CPU Internal Registers
E0
E1
E2
E3
E4
E5
E6
E7
23
H
U
N
Z
V
C
0 7
: Half-carry flag
: User bit
: Negative flag
: Zero flag
: Overflow flag
: Carry flag
Rev. 3.00 Mar 21, 2006 page 33 of 788
R0H
R1H
R2H
R3H
R4H
R5H
R6H
R7H
PC
EXR *
CCR
0 7
T
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
I UI H U N Z V C
— — — —
R0L
R1L
R2L
R3L
R4L
R5L
R6L
R7L
REJ09B0300-0300
I2 I1 I0
Section 2 CPU
0
0