M38C31M7AXXXFS datasheet(79/224 Pages) RENESAS

79 / 224 page

2-14

38C3 Group User’s Manual

APPLICATION

2.2 Timer

Fig. 2.2.8 Structure of Timer A register (low-order, high-order)

(2)

16-bit timer

Timer A register (low-order, high-order)

b7 b6 b5 b4 b3 b2 b1 b0

Timer A register (low-order, high-order)

(TAL, TAH: addresses 2C16, 2D16)

Functions

At reset R W

• Set timer A count value.

• When the timer A write control bit of the timer

A mode register is “0”, the value is written to

timer A and the latch at one time.

When the timer A write control bit of the timer

A mode register is “1”, the value is written only

to the latch.

• The timer A count value is read out by reading

this register.

Notes 1: When reading and writing, perform them to both the high-

order and low-order bytes.

2: Read both registers in order of TAH and TAL following.

3: Write both registers in order of TAL and TAH following.

4: Do not read both registers during a write, and do not write to

both registers during a read.

Fig. 2.2.9 Structure of Compare register (low-order, high-order)

Compare register (low-order, high-order)

b7 b6 b5 b4 b3 b2 b1 b0

Compare register (low-order, high-order)

(CONAL, CONAH: addresses 2E16, 2F16)

Functions

At reset R W

• Set compare register value.

Note: Write registers in order of CONAH, CONAL, TAL, and TAH

following.

M38C31M7AXXXFS 数据表(PDF) 79 Page - Renesas Technology Corp

M38C31M7AXXXFS 数据表(HTML) 79 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表下载