Datasheet

9502A–AT42–07/08

AT42QT2160

Note: Reserved areas can be read or written to, to simplify communications. If written to, only

write 0x00.

7.2 Address 0: Chip ID

There is an 8-bit chip ID, which is set at 0x11.

7.3 Address 1: Code Version

There is an 8-bit major and minor version of firmware code revision. The top nibble of the

firmware version register contains the major version (e.g. 4.0) and the bottom nibble contains

the minor version (e.g. 4.0).

71 GPIO/GPO Drive 2 Read/Write

72 Reserved - 0x00 Read/Write

73 GPIO Direction 2 Read/Write

74 GPIO/GPO PWM 1 Read/Write

75 GPIO/GPO PWM 2 Read/Write

76 PWM Level Read/Write

77 GPIO Wake Read/Write

78 Common change Keys 1 Read/Write

79 Common change Keys 2 Read/Write

80...99 Reserved - 0x00 -

100...131 Key 0 - 15 Signals Read

132...163 Key 0 - 15 References Read

Table 7-1. Memory Map (continued)

Address Use Access

Table 7-2. Chip ID

Addressb7b6b5b4b3b2b1b0

0Chip ID

Table 7-3. Code Version

Addressb7b6b5b4b3b2b1b0

1 Major Version Minor Version