gc80c521a CORERIVER Semiconductor, gc80c521a Datasheet - Page 127

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

[How to Read a SFR Descriptions]
R/W(1) R/W(1) R/W(1) R/W(1) R/W(1) R/W(1) R/W(1) R/W(1)
R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(1) R/W(1) R/W(1)
P0.7
SP.7
P0
SP
Appendix B :
Indicate where stack will start.
Increment by PUSH and decrement by POP.
R/W(1) R/W(1) R/W(1) R/W(1) R/W(1) R/W(1) R/W(1) R/W(1)
P0.7
(80h) : Port 0 Register
(81h) : Stack Pointer Register
P0 (80h) : Port 0 Register
SFR Address
SP.6
P0.6
P0.6
P0.5
SP.5
P0.5
P0.4
SP.4
P0.4
P0.3
P0.3
SP.3
SFR Description [80h ~ 84h]
Yellow Color : Bit Addressable
White Color : Byte Addressable
R
W : Unrestricted Write
(n) : Reset Value
: Unrestricted Read
P0.2
P0.2
SP.2
P0.1
SP.1
P0.1
P0.0
P0.0
SP.0
R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(0)
R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(0)
DPH.7
DPL.7
DPL
DPH
ALTSEL2
-
PWM_A : PWM alternative A function selection
UART_B : UART alternative B function selection
UART_A : UART alternative A function selection
SPID_A : SPI Data pin alternative A function selection
SPIC_A : SPI Clock, Enable pin alternative A function selection
I2C_A
INT_A
(82h) : Data Pointer Low Register
(83h) : Data Pointer High Register
PWM_A UART_B UART_A SPID_A SPIC_A
R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(0)
DPH.6
DPL.6
: I2C alternative A function selection
: INT alternative A function selection
(84h) : Port Alternative Function Selection 2
PWM3.6_A (P4.4), PWM3.7_A (P4.5)
RXD_B (P0.0), TXD_B (P0.1)
RXD_A (P4.0), TXD_A (P4.1)
MISO_A (P4.4), MOSI_A (P4.5)
SSB_A (P0.0), SCLK_A (P0.1)
I2C_SDA_A (P0.0), I2C_SCL_A (P0.1)
INT4_A (P4.2), INT5_A (P4.3)
DPH.5
DPL.5
(1/19)
DPH.4
DPL.4
MiDAS1.0B Family
DPH.3
DPL.3
DPH.2
DPL.2
I2C_A
DPH.1
DPL.1
INT_A
DPH.0
DPL.0
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