Table 18-11. Programmable Interval Timer High (PITMRH) [0x27] [R]

CY7C601xx, CY7C602xx

Table 18-11. Programmable Interval Timer High (PITMRH) [0x27] [R]

Bit #

7

6

 

5

4

3

2

1

0

Field

 

 

Reserved

 

 

Prog Interval Timer [11:8]

 

Read/Write

--

--

 

--

--

R

R

R

R

Default

0

0

 

0

0

0

0

0

0

 

 

 

 

 

 

 

 

 

 

Bit [7:4]: Reserved

Bit [3:0]: Prog Internal Timer [11:8]

This register holds the high order nibble of the 12-bit programmable interval timer. Reading this register returns the high order nibble of the 12-bit timer at the instant when the low order byte was last read.

Table 18-12. Programmable Interval Reload Low (PIRL) [0x28] [R/W]

Bit #

7

6

5

4

3

2

1

0

Field

 

 

 

Prog Interval [7:0]

 

 

 

Read/Write

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

Default

0

0

0

0

0

0

0

0

 

 

 

 

 

 

 

 

 

Bit [7:0]: Prog Interval [7:0]

This register holds the lower eight bits of the timer. When writing into the 12-bit reload register, write lower byte first then the higher nibble.

Table 18-13. Programmable Interval Reload High (PIRH) [0x29] [R/W]

Bit #

7

6

 

5

4

3

2

1

0

Field

 

 

Reserved

 

 

Prog Interval[11:8]

 

Read/Write

--

--

 

--

--

R/W

R/W

R/W

R/W

Default

0

0

 

0

0

0

0

0

0

 

 

 

 

 

 

 

 

 

 

Bit [7:4]: Reserved

Bit [3:0]: Prog Interval [11:8]

This register holds the higher 4 bits of the timer. When writing into the 12-bit reload register, write lower byte first then the higher nibble.

Document 38-16016 Rev. *E

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Cypress CY7C602xx 11. Programmable Interval Timer High PITMRH 0x27 R, 12. Programmable Interval Reload Low PIRL 0x28 R/W