S912XEP768J5MAGR Freescale Semiconductor, S912XEP768J5MAGR Datasheet - Page 119

• Manufacturer Part Number: S912XEP768J5MAGR
• Description: 16-bit Microcontrollers - MCU 16-bit 768K Flash
• Manufacturer: Freescale Semiconductor

Specifications of S912XEP768J5MAGR

• Rohs: yes
• Core: HCS12X
• Processor Series: MC9S12
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 50 MHz
• Program Memory Size: 768 KB
• Data Ram Size: 48 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 3.3 V to 5 V
• Operating Temperature Range: - 40 C to + 125 C
• Package / Case: LQFP-144
• Mounting Style: SMD/SMT

1. Read: See individual bit descriptions below.
1. Read: Always reads 0x00
2.3.17
2.3.18
This register is reserved for factory testing of the PIM module and is not available in normal operation.
Freescale Semiconductor
Address 0x001E
Address 0x001F
Write: See individual bit descriptions below.
IRQEN
Write: Unimplemented
IRQE
Field
Reset
Reset
5-0
7
6
W
W
R
R
IRQ select edge sensitive only—
Special modes: Read or write anytime.
Normal & emulation modes: Read anytime, write once.
1 IRQ configured to respond only to falling edges. Falling edges on the IRQ pin will be detected anytime IRQE = 1
0 IRQ configured for low level recognition.
External IRQ enable—
Read or write anytime.
1 External IRQ pin is connected to interrupt logic.
0 External IRQ pin is disconnected from interrupt logic.
Reserved—
IRQE
IRQ Control Register (IRQCR)
PIM Reserved Register
and will be cleared only upon a reset or the servicing of the IRQ interrupt.
0
0
0
7
7
Writing to this register when in special modes can alter the pin functionality.
= Unimplemented or Reserved
= Unimplemented or Reserved
IRQEN
1
0
0
6
6
Table 2-17. IRQCR Register Field Descriptions
MC9S12XE-Family Reference Manual Rev. 1.25
Figure 2-15. IRQ Control Register (IRQCR)
Figure 2-16. PIM Reserved Register
0
0
0
0
5
5
NOTE
0
0
0
0
4
4
Description
3
0
0
3
0
0
Chapter 2 Port Integration Module (S12XEPIMV1)
0
0
0
0
2
2
Access: User read/write
0
0
0
0
1
1
Access: User read
0
0
0
0
0
0
119
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