D12321VF20V Renesas Electronics America, D12321VF20V Datasheet - Page 72

• Manufacturer Part Number: D12321VF20V
• Description: IC H8S/2321 MCU ROMLESS 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of D12321VF20V

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 86
• Program Memory Type: ROMless
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Section 2 CPU
2.4
2.4.1
The CPU has the internal registers shown in figure 2.4. There are two types of registers: general
registers and control registers.
Rev.6.00 Sep. 27, 2007 Page 40 of 1268
REJ09B0220-0600
General Registers (Rn) and Extended Registers (En)
Legend:
SP:
PC:
EXR:
T:
I2 to I0:
CCR:
I:
UI:
Note: * In the H8S/2329 Group and H8S/2328 Group, this bit cannot be used as an interrupt
ER0
ER1
ER2
ER3
ER4
ER5
ER6
ER7 (SP)
Control Registers (CR)
Register Configuration
Overview
mask.
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
E0
E1
E2
E3
E4
E5
E6
E7
23
Figure 2.4 CPU Registers
07
H:
U:
N:
Z:
V:
C:
Half-carry flag
User bit
Negative flag
Zero flag
Overflow flag
Carry flag
R0H
R1H
R2H
R3H
R4H
R5H
R6H
R7H
PC
07
EXR
CCR
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
R0L
R1L
R2L
R3L
R4L
R5L
R6L
R7L
0
0