p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 219

• Manufacturer Part Number: p2125vps20
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

8.7
Port 7 is an 8-bit input port. Port 7 pins also function as the interrupt input pins, A/D converter
analog input pins, TCM_0 input pin, and TCM_1 input pin. Port 7 has the following register.
• Port 7 input data register (P7PIN)
8.7.1
P7PIN reflects the pin states of port 7.
Note:
8.7.2
• P77/AN7/IRQ7/TCMCKI0
Bit
7
6
5
4
3
2
1
0
Pin Function
When the IRQ7E bit in IER of the interrupt controller is set to 1, this pin can be used as the
IRQ7 input pin. When the external clock is selected with the CKS2 to CKS0 bits in TCMCR_0
of TCM_0, this pin can be used as the TCMCKI0 input pin.
*
Bit Name
P77PIN
P76PIN
P75PIN
P74PIN
P73PIN
P72PIN
P71PIN
P70PIN
Port 7
Port 7 Input Data Register (P7PIN)
Pin Functions
The initial value is determined in accordance with the pin states of P77 to P70.
Initial
Value
Undefined* R
Undefined* R
Undefined* R
Undefined* R
Undefined* R
Undefined* R
Undefined* R
Undefined* R
P77 input pin/AN7 input pin/IRQ7 input pin/TCMCKI0 input pin
R/W
Description
When this register is read, the pin states are read.
Rev. 1.00 Sep. 21, 2006 Page 181 of 658
Section 8 I/O Ports
REJ09B0310-0100