gc80c521a CORERIVER Semiconductor, gc80c521a Datasheet - Page 137

• Manufacturer Part Number: gc80c521a
• Description: Flash / Isp / Iap 8-bit Turbo Microcontrollers
• Manufacturer: CORERIVER Semiconductor

ITSEL
Appendix B :
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ITSEL5
ITSEL4
ITSEL3
ITSEL2
ITSEL1
ITSEL0
(BAh) : Interrupt Polarity Selection Register
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: Interrupt5 Polarity Selection Flag
: Interrupt4 Polarity Selection Flag
: Interrupt3 Polarity Selection Flag
: Interrupt2 Polarity Selection Flag
: Interrupt1 Polarity Selection Flag
: Interrupt0 Polarity Selection Flag
[0] : low level or negative edge detect
[1] : high level or positive edge detect
[0] : low level or negative edge detect
[1] : high level or positive edge detect
[0] : low level or negative edge detect
[1] : high level or positive edge detect
[0] : low level or negative edge detect
[1] : high level or positive edge detect
[0] : low level or negative edge detect
[1] : high level or positive edge detect
[0] : low level or negative edge detect
[1] : high level or positive edge detect
R/W(0) R/W(1) R/W(0) R/W(1) R/W(0) R/W(0)
ITSEL5
ITSEL4
ITSEL3
SFR Description [BAh ~ C4h]
ITSEL2
ITSEL1
ITSEL0
data, the flag is set.
SPIST
PMR
[1] : Set by H/W when user write SPIDR while SPI is enabled.
[0] : Cleared by H/W when the data is moved to TX shift register
[1] : Serial transfer is complete. If SPIE is set and EA is set, SPI
[1] : SPIDR is written when TXBV is set. The previous data is lost.
[1] : If a new data is received while SPIDR is still holding the previous
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TXBV
SPIF
SPICOL : SPI Write Collision Flag
SPIOF
XTOFF
ALEOFF : [1] : ALE toggling disable.
or SPI is disabled.
interrupt is generated.
SPIF must be cleared before receiving a data again.
(C4h) : Power Management Control Register
(C0h) : SPI Status Register
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: TX buffer of SPIDR holds valid data.
: SPI Interrupt Flag
: SPI Read Overflow Flag
: [1] : External crystal Oscillator disable (Default).
[0] : External crystal Oscillator enable.
[0] : ALE toggling enable (Default).
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(11/19)
MiDAS1.0B Family
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R/W(1) R/W(0)
XTOFF
TXBV
R(0)
ALEOFF
R/W(0) R/W(0) R/W(0)
SPIF
SPICOL
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SPIOF
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