38D2 datasheet(114/136 Pages) RENESAS

114 / 136 page

Rev.3.02

Apr 10, 2008

Page 114 of 131

REJ03B0177-0302

38D2 Group

NOTE:

1. The P55/TxD1 [P32/TxD2] P-channel output disable bit (bit 4 of address 001B16 [0FF116]) of UART control register is “0”.

NOTE:

1. The P55/TxD1 [P32/TxD2] P-channel output disable bit (bit 4 of address 001B16 [0FF116]) of UART control register is “0”.

Fig 96. Circuit for measuring output switching characteristics

Table 46 Switching characteristics (1)

(Vcc = 4.0 to 5.5 V, Vss = 0 V, Ta =

−20 to 85°C, unless otherwise noted)

Symbol

Parameter

Limits

Unit

Min.

Typ

Max.

tWH (SCLK)

Serial I/O1, 2 clock output “H” pulse width

tC(SCLK)/2

−30

tWL (SCLK)

Serial I/O1, 2 clock output “L” pulse width

tC(SCLK)/2

−30

td (SCLK-TXD)

Serial I/O1, 2 output delay time (1)

140

tV (SCLK-TXD)

Serial I/O1, 2 output valid time (1)

−30

tr (SCLK)

Serial I/O1, 2 clock output rising time

tf (SCLK)

Serial I/O1, 2 clock output falling time

Table 47 Switching characteristics (2)

(VCC = 2.7 to 4.0 V, VSS = 0 V, Ta =

−20 to 85°C, unless otherwise noted)

Symbol

Parameter

Limits

Unit

Min.

Typ

Max.

tWH (SCLK)

Serial I/O1, 2 clock output “H” pulse width

tC(SCLK)/2

−80

tWL (SCLK)

Serial I/O1, 2 clock output “L” pulse width

tC(SCLK)/2

−80

td (SCLK-TXD)

Serial I/O1, 2 output delay time (1)

350

tV (SCLK-TXD)

Serial I/O1, 2 output valid time (1)

−30

tr (SCLK)

Serial I/O1, 2 clock output rising time

tf (SCLK)

Serial I/O1, 2 clock output falling time

Measurement output pin

100pF

CMOS output

Measurement output pin

100pF

N-channel open-drain output (Note)

Note: When bit 4 of the UART control register

(address 001B16 [address 0FF116]) is “1.”

(N-channel open-drain output mode)

FLASH MEMORY VERSION

38D2 Datasheet(PDF) 114 Page - Renesas Technology Corp

38D2 Datasheet(HTML) 114 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

Datasheet Download

Link URL