HD64F2638F20J Renesas Electronics America, HD64F2638F20J Datasheet - Page 1364

• 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: -

Appendix B Internal I/O Register
SYSCR—System Control Register
Page 1314 of 1458
Bit
Initial value
Read/Write
MAC Saturation
0 Non-saturating calculation for MAC instruction
1 Saturating calculation for MAC instruction
MACS
R/W
Interrupt Control Mode 1 and 0
7
0
INTM1 INTM0
0
1
⎯
⎯
0
1
0
1
6
0
NMI Edge Select
0 An interrupt is requested at the falling edge of NMI input
1 An interrupt is requested at the rising edge of NMI input
Control Mode
INTM1
Interrupt
R/W
5
0
⎯
⎯
0
2
INTM0
R/W
4
0
Control of interrupts by I bit
Setting prohibited
Control of interrupts by I2 to I0 bits and IPR
Setting prohibited
NMIEG
H'FDE5
R/W
3
0
RAM Enable
0 On-chip RAM is disabled
1 On-chip RAM is enabled
Description
⎯
⎯
2
0
H8S/2639, H8S/2638, H8S/2636,
REJ09B0103-0800 Rev. 8.00
H8S/2630, H8S/2635 Group
⎯
⎯
1
0
RAME
May 28, 2010
R/W
0
1
System