4513 datasheet(108/210 Pages) RENESAS

108 / 210 page

4513/4514 Group User’s Manual

APPLICATION

2-5

2.1 I/O pins

(2)

Key-on wakeup control register K0

Set the contents of this register through register A with the TK0A instruction.

The contents of register K0 is transferred to register A with the TAK0 instruction.

Table 2.1.2 shows the key-on wakeup control register K0.

Table 2.1.2 Key-on wakeup control register K0

Key-on wakeup control register K0

at reset : 00002

at RAM back-up : state retained

R/W

Key-on wakeup not used

Key-on wakeup used

Key-on wakeup not used

Key-on wakeup used

Key-on wakeup not used

Key-on wakeup used

Key-on wakeup not used

Key-on wakeup used

Ports P12, P13

key-on wakeup control bit

Ports P10, P11

key-on wakeup control bit

Ports P02, P03

key-on wakeup control bit

Ports P00, P01

key-on wakeup control bit

K03

K02

K01

K00

Note: “R” represents read enabled, and “W” represents write enabled.

(3)

A-D control register Q2

Bits 0 to 2 of register Q2 controls the pin function selection bits.

Set the contents of this register through register A with the TQ2A instruction.

The contents of register Q2 is transferred to register A with the TAQ2 instruction.

Table 2.1.3 shows the A-D control register Q2.

Table 2.1.3 A-D control register Q2

A-D control register Q2

at reset : 00002

at RAM back-up : state retained

R/W

A-D conversion mode

Comparator mode

P43, P42 (I/O) (Note 4)

AIN7, AIN6/P43, P42 (Output) (Note 4)

P41 (I/O) (Note 4)

AIN5/P41 (Output) (Note 4)

P40 (I/O) (Note 4)

AIN4/P40 (Output) (Note 4)

A-D operation mode control bit

P43/AIN7, P42/AIN6 pin function

selection bit (Note 3)

P41/AIN5 pin function selection bit

(Note 3)

P40/AIN4 pin function selection bit

(Note 3)

Q23

Q22

Q21

Q20

Notes 1: “R” represents read enabled, and “W” represents write enabled.

2: Select AIN4–AIN7 with register Q1 after setting register Q2.

3: For the 4513 Group, these bits are not used.

4: For the 4513 Group, only read/write of these bits is enabled.

5: When setting ports, Q23 is not used.

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